Data Import REST API Changelog
This page shows recent changes to Data Import REST API.
5 June 2026 - Latest
New
{
"x-enum-descriptions": {
"1601": "1601",
"1604": "1604",
"2021": "2021",
"2626": "2626",
"3000": "3000",
"10463": "10463",
"13000": "13000",
"21000": "21000",
"35001": "35001",
"46000": "46000",
"50000": "50000"
}
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{
"x-enum-descriptions": {
"10436": "10436",
"16830": "16830",
"20950": "20950",
"21001": "21001",
"21830": "21830",
"23750": "23750",
"26040": "26040",
"26250": "26250",
"26780": "26780",
"31001": "31001",
"32150": "32150",
"32501": "32501",
"32650": "32650",
"32860": "32860",
"34300": "34300",
"43221": "43221",
"49999": "49999"
}
}New
{
"x-enum-descriptions": {
"0": "0",
"401": "401",
"501": "501",
"1286": "1286",
"1301": "1301",
"1341": "1341",
"1501": "1501"
}
}Old
{
"x-enum-descriptions": {
"400": "400",
"1285": "1285",
"1300": "1300",
"1340": "1340",
"1500": "1500",
"1600": "1600",
"1604": "1604"
}
}4 June 2026
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New
[
{
"name": "Validate account type is valid",
"description": "Validate that only one account type is specified in the payload.",
"possible_errors": [
"multiple_account_types_selected"
]
},
{
"name": "Validate billing address fields",
"description": "If a legacy billing address is provided, validate that it is in the correct format.",
"possible_errors": [
"invalid_address"
]
},
{
"name": "Validate customer family name",
"description": "Validate the family name is provided for all customers on a domestic account. For Business accounts, set the family name to 'Business' if it is not provided.",
"possible_errors": [
"customer_family_name_required"
]
},
{
"name": "Validate metadata",
"description": "Validate that metadata, which is a list of key value pairs, does not contain duplicate keys.",
"possible_errors": [
"metadata_has_duplicate_keys"
]
},
{
"name": "Validate unique property external identifiers",
"description": "Ensures that <code>property_external_identifier</code> is not repeated across <code>supply_addresses</code> and <code>properties</code>.",
"possible_errors": [
"duplicate_property_external_identifiers"
]
},
{
"name": "Validate managed account type is allowed",
"description": "Validate that this instance of Kraken allows managed account types.",
"possible_errors": [
"managed_accounts_are_not_allowed"
]
},
{
"name": "Validate only portfolio lead has portfolio setting",
"description": "Validates that if portfolio settings are provided, then the account is marked as the portfolio lead.",
"possible_errors": [
"portfolio_settings_included_when_not_lead"
]
},
{
"name": "Validate business type and company number not provided for domestic accounts",
"description": "Validate that neither a business type or company number are provided for domestic accounts.",
"possible_errors": [
"business_fields_provided_for_domestic_accounts"
]
},
{
"name": "Validate no customers for unknown occupier",
"description": "Validate that no customers are provided for an unknown occupier.",
"possible_errors": [
"customer_with_unknown_occupier"
]
},
{
"name": "Validate that a customer given name is provided for business accounts",
"description": "Validate that a given name is provided for all customers on a business account. Note that this validation only applies if Kraken is configured to send registration flows for this import supplier.",
"possible_errors": [
"customer_given_name_required"
]
},
{
"name": "Validate portfolio reference provided correctly",
"description": "Validate that a portfolio reference is provided if portfolio settings have been provided and that a portfolio reference is not provided if the import supplier is set to create new portfolios.",
"possible_errors": [
"portfolio_references_missing",
"portfolio_references_provided"
]
},
{
"name": "Validate billing address style",
"description": "Validate that a legacy billing address (<code>billing_address1</code> etc.) and new-style billing address (<code>billing_address</code> object) are not both provided.",
"possible_errors": [
"billing_address_new_style_and_legacy"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate supply charge line items covered by a single agreement",
"description": "Validate each supply charge has a single agreement with matching product code that covers the period defined by it's line items minimum <code>start_date</code> to maximum <code>end_date</code>.",
"possible_errors": [
"supply_charge_line_items_not_covered_by_single_agreement"
]
},
{
"name": "Validate that Kraken can calculate when to start billing the account",
"description": "Validate that Kraken can calculate when to start billing the account. This is determined based on the existence of last billed to date, last statement closing date, and agreements.",
"possible_errors": [
"cannot_determine_responsible_for_billing_from_date"
]
},
{
"name": "Validate historical statement period end must not be in the future",
"description": "Ensures that the historical statement period end date (last_statement_closing_date or latest transaction_date) is not set in the future.",
"possible_errors": [
"historical_statement_period_end_in_future"
]
},
{
"name": "Validate that terms with supply type matches a supply point supply type",
"description": "Validate that for terms containing a <code>supply_type</code> field that there is a supply point in the payload with a matching <code>supply_type</code>.",
"possible_errors": [
"term_supply_type_mismatch"
]
},
{
"name": "Validate that supply addresses and supply points are provided if account contracts are provided",
"description": "Validate that if <code>account_contracts</code> have been provided that a supply address with supply points has been provided under <code>supply_addresses</code>",
"possible_errors": [
"account_contracts_without_supply_points"
]
},
{
"name": "Validate historical statement billing document identifier presence",
"description": "Ensure that billing document identifiers are only provided for historical statement transactions and only when the relevant feature flag is enabled.",
"possible_errors": [
"historical_statement_billing_document_identifier_missing",
"historical_statement_billing_document_identifier_not_allowed_when_feature_flag_disabled"
]
},
{
"name": "Validate current statement transactions do not provide <code>billing_document_identifier</code>",
"description": "Validate that none of the current statement transactions include a <code>billing_document_identifier</code>, as this field is only applicable to historical statement transactions.",
"possible_errors": [
"billing_document_identifier_not_allowed_for_current_statement_transactions"
]
},
{
"name": "Validate historical statement transaction billing document identifier",
"description": "Ensure that the billing document identifier is the same for all historical statement transactions.",
"possible_errors": [
"historical_statement_billing_document_identifier_mismatch"
]
},
{
"name": "Validate that contract terms' product codes are part of supply agreements",
"description": "Ensure that any contract terms with product references have corresponding products in supply addresses.",
"possible_errors": [
"contract_term_product_code_not_in_agreements"
]
},
{
"name": "Validate that business is provided if enforcing business contracts",
"description": "Validate that the business field is provided if <code>enforce_business_contracts_exist</code> is set to True on the import supplier configuration.",
"possible_errors": [
"business_field_required"
]
},
{
"name": "Validate that the sum of ledger balances equals the transfer balance",
"description": "Validate that the sum of all <code>ledger_balance</code> provided for each ledger in <code>ledgers</code> equals the account-level <code>transfer_balance</code>.",
"possible_errors": [
"ledger_balances_not_equal_to_transfer_balance"
]
},
{
"name": "Validate business user info against customer info",
"description": "Validates that business user information matches the corresponding customer information for basic fields.",
"possible_errors": [
"customer_details_and_user_details_both_provided"
]
},
{
"name": "Validate payment preference <code>ledger_identifier</code>",
"description": "Ensure that the <code>ledger_identifier</code> provided has an equivalent <code>ledger</code> object with the same <code>ledger_identifier</code> .",
"possible_errors": [
"invalid_payment_preference_ledger_identifier"
]
},
{
"name": "Validate that referenced ledgers are unique in payment preferences",
"description": "Ensure that each ledger is referenced in at most one payment preference.",
"possible_errors": [
"duplicate_ledger_in_payment_preferences"
]
},
{
"name": "Validate that valid instruction_identifier provided for <code>ACTIVE_NEW</code> payment preference",
"description": "Ensure that <code>ACTIVE_NEW</code> payment preference has instruction_identifier from </code>payment_instructions</code> object.",
"possible_errors": [
"active_new_payment_preference_invalid_instruction_identifier"
]
},
{
"name": "Validate that the transactions for a voucher do not exceed its value",
"description": "Validate that the sum of all transaction values for a voucher is not greater than the value of the voucher.",
"possible_errors": [
"voucher_transactions_sum_greater_than_voucher_value"
]
},
{
"name": "Validate that each voucher charge transaction id has a matching transaction id within a transaction of type CHARGE",
"description": "Validate that each <code>voucher</code> <code>charge_transaction_id</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CHARGE in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_charge_transaction_id_not_found"
]
},
{
"name": "Validate that each voucher redemption credit transaction id has a matching transaction id within a transaction of type CREDIT",
"description": "Validate that every <code>credit_transaction_id</code> in all <code>voucher_redemptions</code> in every <code>voucher</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CREDIT in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_redemption_credit_transaction_id_not_found"
]
},
{
"name": "Validate parent property references exist",
"description": "Validates that all <code>parent_property_reference</code> values in <code>supply_addresses</code> and <code>properties</code> correspond to a <code>property_external_identifier</code> in the payload. This ensures the property hierarchy is valid.",
"possible_errors": [
"parent_property_reference_not_found"
]
},
{
"name": "Validate that a portfolio lead account has no supply address since it makes no sense for it to have one",
"description": "Validate that a portfolio lead account has no supply address.",
"possible_errors": [
"portfolio_lead_has_a_supply_address"
]
},
{
"name": "Validate that a system account has no supply address",
"description": "Validate that a system account has no supply address",
"possible_errors": [
"system_account_has_a_supply_address"
]
},
{
"name": "Validate ledger identifiers are known",
"description": "Validate ledger identifiers are among supply point identifiers.",
"possible_errors": [
"unknown_ledger_identifiers"
]
},
{
"name": "Validate identifiers are unique in ledgers",
"description": "Validate identifier is not declared twice in ledgers.",
"possible_errors": [
"duplicate_identifiers_entries_found"
]
},
{
"name": "Validate agreements cover last statement closing date",
"description": "Validate that there is an agreement for each supply point covering each ledger's <code>last_statement_closing_date</code>.",
"possible_errors": [
"no_agreement_covering_last_statement_closing_date"
]
},
{
"name": "Validate no unbilled period on former supply addresses",
"description": "Validate that if a customer is no longer at the given supply address they have been fully billed. This check is performed if we are importing supply address history.",
"possible_errors": [
"unbilled_former_supply_address"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate that corresponding supply type exists for the account reference",
"description": "Validate that, if a value is provided for an electricity or gas account reference namespace, a supply point of the corresponding supply type also exists.",
"possible_errors": [
"reference_for_invalid_supply_type"
]
},
{
"name": "Validate that sales channel and references must either both or neither be of type <code>PRICE_COMPARISON</code>",
"description": "Validate that if a price comparison reference is provided, the sales channel must be <code>PRICE_COMPARISON</code>, and vice versa.",
"possible_errors": [
"invalid_sales_channel_reference_combination"
]
},
{
"name": "Validate that billing data is complete",
"description": "Validate that if one required billing field is provided, the rest must also be provided. This means that if one of <code>last_statement_closing_date</code>, <code>last_statement_balance</code> (both on the relevant <code>ledger</code> object), <code>statements</code> or <code>transfer_readings</code> is provided, the rest must also be provided.",
"possible_errors": [
"incomplete_billing_data"
]
},
{
"name": "Validate that the given MaLo is not on supply currently or in the future",
"description": "Validate that the given MaLo is not on supply currently or in the future. A MaLo that is on supply could either belong to a non-migrated or a migrated account.",
"possible_errors": [
"duplicate_mpxn_on_supply",
"duplicate_mpxn_on_supply_in_the_future"
]
},
{
"name": "Validate that every supply point identifier is included in a ledger identifiers field",
"description": "Validate that every <code>supply_point</code> <code>identifier</code> is included in a <code>ledger</code> <code>identifiers</code> list. This is needed so that the supply point can be linked to the correct ledger information.",
"possible_errors": [
"identifier_missing_from_ledger_identifiers"
]
}
]Old
[
{
"name": "Validate account type is valid",
"description": "Validate that only one account type is specified in the payload.",
"possible_errors": [
"multiple_account_types_selected"
]
},
{
"name": "Validate billing address fields",
"description": "If a legacy billing address is provided, validate that it is in the correct format.",
"possible_errors": [
"invalid_address"
]
},
{
"name": "Validate customer family name",
"description": "Validate the family name is provided for all customers on a domestic account. For Business accounts, set the family name to 'Business' if it is not provided.",
"possible_errors": [
"customer_family_name_required"
]
},
{
"name": "Validate metadata",
"description": "Validate that metadata, which is a list of key value pairs, does not contain duplicate keys.",
"possible_errors": [
"metadata_has_duplicate_keys"
]
},
{
"name": "Validate unique property external identifiers",
"description": "Ensures that <code>property_external_identifier</code> is not repeated across <code>supply_addresses</code> and <code>properties</code>.",
"possible_errors": [
"duplicate_property_external_identifiers"
]
},
{
"name": "Validate managed account type is allowed",
"description": "Validate that this instance of Kraken allows managed account types.",
"possible_errors": [
"managed_accounts_are_not_allowed"
]
},
{
"name": "Validate only portfolio lead has portfolio setting",
"description": "Validates that if portfolio settings are provided, then the account is marked as the portfolio lead.",
"possible_errors": [
"portfolio_settings_included_when_not_lead"
]
},
{
"name": "Validate business type and company number not provided for domestic accounts",
"description": "Validate that neither a business type or company number are provided for domestic accounts.",
"possible_errors": [
"business_fields_provided_for_domestic_accounts"
]
},
{
"name": "Validate no customers for unknown occupier",
"description": "Validate that no customers are provided for an unknown occupier.",
"possible_errors": [
"customer_with_unknown_occupier"
]
},
{
"name": "Validate that a customer given name is provided for business accounts",
"description": "Validate that a given name is provided for all customers on a business account. Note that this validation only applies if Kraken is configured to send registration flows for this import supplier.",
"possible_errors": [
"customer_given_name_required"
]
},
{
"name": "Validate portfolio reference provided correctly",
"description": "Validate that a portfolio reference is provided if portfolio settings have been provided and that a portfolio reference is not provided if the import supplier is set to create new portfolios.",
"possible_errors": [
"portfolio_references_missing",
"portfolio_references_provided"
]
},
{
"name": "Validate billing address style",
"description": "Validate that a legacy billing address (<code>billing_address1</code> etc.) and new-style billing address (<code>billing_address</code> object) are not both provided.",
"possible_errors": [
"billing_address_new_style_and_legacy"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate supply charge line items covered by a single agreement",
"description": "Validate each supply charge has a single agreement with matching product code that covers the period defined by it's line items minimum <code>start_date</code> to maximum <code>end_date</code>.",
"possible_errors": [
"supply_charge_line_items_not_covered_by_single_agreement"
]
},
{
"name": "Validate that Kraken can calculate when to start billing the account",
"description": "Validate that Kraken can calculate when to start billing the account. This is determined based on the existence of last billed to date, last statement closing date, and agreements.",
"possible_errors": [
"cannot_determine_responsible_for_billing_from_date"
]
},
{
"name": "Validate historical statement period end must not be in the future",
"description": "Ensures that the historical statement period end date (last_statement_closing_date or latest transaction_date) is not set in the future.",
"possible_errors": [
"historical_statement_period_end_in_future"
]
},
{
"name": "Validate that terms with supply type matches a supply point supply type",
"description": "Validate that for terms containing a <code>supply_type</code> field that there is a supply point in the payload with a matching <code>supply_type</code>.",
"possible_errors": [
"term_supply_type_mismatch"
]
},
{
"name": "Validate that supply addresses and supply points are provided if account contracts are provided",
"description": "Validate that if <code>account_contracts</code> have been provided that a supply address with supply points has been provided under <code>supply_addresses</code>",
"possible_errors": [
"account_contracts_without_supply_points"
]
},
{
"name": "Validate historical statement billing document identifier presence",
"description": "Ensure that billing document identifiers are only provided for historical statement transactions and only when the relevant feature flag is enabled.",
"possible_errors": [
"historical_statement_billing_document_identifier_missing",
"historical_statement_billing_document_identifier_not_allowed_when_feature_flag_disabled"
]
},
{
"name": "Validate current statement transactions do not provide <code>billing_document_identifier</code>",
"description": "Validate that none of the current statement transactions include a <code>billing_document_identifier</code>, as this field is only applicable to historical statement transactions.",
"possible_errors": [
"billing_document_identifier_not_allowed_for_current_statement_transactions"
]
},
{
"name": "Validate historical statement transaction billing document identifier",
"description": "Ensure that the billing document identifier is the same for all historical statement transactions.",
"possible_errors": [
"historical_statement_billing_document_identifier_mismatch"
]
},
{
"name": "Validate that contract terms' product codes are part of supply agreements",
"description": "Ensure that any contract terms with product references have corresponding products in supply addresses.",
"possible_errors": [
"contract_term_product_code_not_in_agreements"
]
},
{
"name": "Validate that business is provided if enforcing business contracts",
"description": "Validate that the business field is provided if <code>enforce_business_contracts_exist</code> is set to True on the import supplier configuration.",
"possible_errors": [
"business_field_required"
]
},
{
"name": "Validate that the sum of ledger balances equals the transfer balance",
"description": "Validate that the sum of all <code>ledger_balance</code> provided for each ledger in <code>ledgers</code> equals the account-level <code>transfer_balance</code>.",
"possible_errors": [
"ledger_balances_not_equal_to_transfer_balance"
]
},
{
"name": "Validate business user info against customer info",
"description": "Validates that business user information matches the corresponding customer information for basic fields.",
"possible_errors": [
"customer_details_and_user_details_both_provided"
]
},
{
"name": "Validate payment preference <code>ledger_identifier</code>",
"description": "Ensure that the <code>ledger_identifier</code> provided has an equivalent <code>ledger</code> object with the same <code>ledger_identifier</code> .",
"possible_errors": [
"invalid_payment_preference_ledger_identifier"
]
},
{
"name": "Validate that referenced ledgers are unique in payment preferences",
"description": "Ensure that each ledger is referenced in at most one payment preference.",
"possible_errors": [
"duplicate_ledger_in_payment_preferences"
]
},
{
"name": "Validate that valid instruction_identifier provided for <code>ACTIVE_NEW</code> payment preference",
"description": "Ensure that <code>ACTIVE_NEW</code> payment preference has instruction_identifier from </code>payment_instructions</code> object.",
"possible_errors": [
"active_new_payment_preference_invalid_instruction_identifier"
]
},
{
"name": "Validate that the transactions for a voucher do not exceed its value",
"description": "Validate that the sum of all transaction values for a voucher is not greater than the value of the voucher.",
"possible_errors": [
"voucher_transactions_sum_greater_than_voucher_value"
]
},
{
"name": "Validate that each voucher charge transaction id has a matching transaction id within a transaction of type CHARGE",
"description": "Validate that each <code>voucher</code> <code>charge_transaction_id</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CHARGE in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_charge_transaction_id_not_found"
]
},
{
"name": "Validate that each voucher redemption credit transaction id has a matching transaction id within a transaction of type CREDIT",
"description": "Validate that every <code>credit_transaction_id</code> in all <code>voucher_redemptions</code> in every <code>voucher</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CREDIT in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_redemption_credit_transaction_id_not_found"
]
},
{
"name": "Validate parent property references exist",
"description": "Validates that all <code>parent_property_reference</code> values in <code>supply_addresses</code> and <code>properties</code> correspond to a <code>property_external_identifier</code> in the payload. This ensures the property hierarchy is valid.",
"possible_errors": [
"parent_property_reference_not_found"
]
},
{
"name": "Validate ledger identifiers are known",
"description": "Validate ledger identifiers are among supply point identifiers.",
"possible_errors": [
"unknown_ledger_identifiers"
]
},
{
"name": "Validate identifiers are unique in ledgers",
"description": "Validate identifier is not declared twice in ledgers.",
"possible_errors": [
"duplicate_identifiers_entries_found"
]
},
{
"name": "Validate agreements cover last statement closing date",
"description": "Validate that there is an agreement for each supply point covering each ledger's <code>last_statement_closing_date</code>.",
"possible_errors": [
"no_agreement_covering_last_statement_closing_date"
]
},
{
"name": "Validate no unbilled period on former supply addresses",
"description": "Validate that if a customer is no longer at the given supply address they have been fully billed. This check is performed if we are importing supply address history.",
"possible_errors": [
"unbilled_former_supply_address"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate that corresponding supply type exists for the account reference",
"description": "Validate that, if a value is provided for an electricity or gas account reference namespace, a supply point of the corresponding supply type also exists.",
"possible_errors": [
"reference_for_invalid_supply_type"
]
},
{
"name": "Validate that sales channel and references must either both or neither be of type <code>PRICE_COMPARISON</code>",
"description": "Validate that if a price comparison reference is provided, the sales channel must be <code>PRICE_COMPARISON</code>, and vice versa.",
"possible_errors": [
"invalid_sales_channel_reference_combination"
]
},
{
"name": "Validate that billing data is complete",
"description": "Validate that if one required billing field is provided, the rest must also be provided. This means that if one of <code>last_statement_closing_date</code>, <code>last_statement_balance</code> (both on the relevant <code>ledger</code> object), <code>statements</code> or <code>transfer_readings</code> is provided, the rest must also be provided.",
"possible_errors": [
"incomplete_billing_data"
]
},
{
"name": "Validate that the given MaLo is not on supply currently or in the future",
"description": "Validate that the given MaLo is not on supply currently or in the future. A MaLo that is on supply could either belong to a non-migrated or a migrated account.",
"possible_errors": [
"duplicate_mpxn_on_supply",
"duplicate_mpxn_on_supply_in_the_future"
]
},
{
"name": "Validate that every supply point identifier is included in a ledger identifiers field",
"description": "Validate that every <code>supply_point</code> <code>identifier</code> is included in a <code>ledger</code> <code>identifiers</code> list. This is needed so that the supply point can be linked to the correct ledger information.",
"possible_errors": [
"identifier_missing_from_ledger_identifiers"
]
}
]New
{
"x-enum-descriptions": {
"SYSTEM": "System"
}
}Old
{
"x-enum-descriptions": {}
}28 May 2026
New
{
"x-enum-descriptions": {
"sm_for_v2g": "SM for V2G"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"SM for V2G": "SM for V2G"
}
}Old
{
"x-enum-descriptions": {}
}27 May 2026
New
{
"x-enum-descriptions": {
"achtung_datenschutz": "Achtung - Datenschutz"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"Achtung - Datenschutz": "Achtung - Datenschutz"
}
}Old
{
"x-enum-descriptions": {}
}24 May 2026
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No attributes to display
22 May 2026
No attributes to display
No attributes to display
21 May 2026
No attributes to display
New
[
{
"name": "Validate <code>\u2068supply_end_date\u2069</code> not before <code>\u2068supply_start_date\u2069</code>",
"description": "Validates that <code>\u2068supply_end_date\u2069</code>, if given, is on or later than <code>\u2068supply_start_date\u2069</code>.",
"possible_errors": [
"start_date_later_than_end_date"
]
},
{
"name": "Validate agreements do not start before supply start date",
"description": "Validate that agreements do not start before the supply point's supply start date, if provided.",
"possible_errors": [
"agreement_start_date_before_supply_start_date"
]
},
{
"name": "Validate that exactly one active agreement is provided",
"description": "Validate that exactly one active agreement is provided for the supply point if it is already on supply. If the <code>supply_start_date</code> is in the future or the <code>supply_end_date</code> is in the past then we do not check for an active agreement.",
"possible_errors": [
"exactly_one_active_agreement_required"
]
},
{
"name": "Validate that a future agreement provided if supply start date is in the future",
"description": "Validate that exactly one future agreement is provided if the supply start date is in the future. This future agreement must start on the supply start date.",
"possible_errors": [
"future_agreement_required"
]
},
{
"name": "Validate both <code>melo_number</code> and <code>identifier</code> are provided for on supply supply points",
"description": "Validate that both <code>melo_number</code> and <code>identifier</code> (MaLo number) are provided for supply points that are on supply or off supply but not fully billed.",
"possible_errors": [
"missing_data_for_on_supply_supply_point"
]
},
{
"name": "Validate that the given MeLo is not already on supply",
"description": "Validate that no existing MeLo with the same number is still on supply at the new account's supply start date. An existing MeLo whose supply has already ended is allowed (e.g. previous tenant churned, new tenant moves in).",
"possible_errors": [
"melo_already_exists"
]
}
]Old
[
{
"name": "Validate <code>\u2068supply_end_date\u2069</code> not before <code>\u2068supply_start_date\u2069</code>",
"description": "Validates that <code>\u2068supply_end_date\u2069</code>, if given, is on or later than <code>\u2068supply_start_date\u2069</code>.",
"possible_errors": [
"start_date_later_than_end_date"
]
},
{
"name": "Validate agreements do not start before supply start date",
"description": "Validate that agreements do not start before the supply point's supply start date, if provided.",
"possible_errors": [
"agreement_start_date_before_supply_start_date"
]
},
{
"name": "Validate that exactly one active agreement is provided",
"description": "Validate that exactly one active agreement is provided for the supply point if it is already on supply. If the <code>supply_start_date</code> is in the future or the <code>supply_end_date</code> is in the past then we do not check for an active agreement.",
"possible_errors": [
"exactly_one_active_agreement_required"
]
},
{
"name": "Validate that a future agreement provided if supply start date is in the future",
"description": "Validate that exactly one future agreement is provided if the supply start date is in the future. This future agreement must start on the supply start date.",
"possible_errors": [
"future_agreement_required"
]
},
{
"name": "Validate both <code>melo_number</code> and <code>identifier</code> are provided for on supply supply points",
"description": "Validate that both <code>melo_number</code> and <code>identifier</code> (MaLo number) are provided for supply points that are on supply or off supply but not fully billed.",
"possible_errors": [
"missing_data_for_on_supply_supply_point"
]
}
]New
{
"x-validators": [
{
"name": "Validate that the MeLo number format is correct",
"description": "Validate that the MeLo number format is correct. If it is not provided, the validation will pass as we assume it is a customer who is not currently on supply.",
"possible_errors": [
"invalid_melo"
]
}
]
}Old
{
"x-validators": [
{
"name": "Validate that the MeLo number format is correct",
"description": "Validate that the MeLo number format is correct. If it is not provided, the validation will pass as we assume it is a customer who is not currently on supply.",
"possible_errors": [
"invalid_melo"
]
},
{
"name": "Validate that the given MeLo does not already exist in the DB",
"description": "Validate that the given MeLo does not already exist in the DB. Specifically, the MeLo number should not be associated with any electricity or gas MeLos in the DB.",
"possible_errors": [
"melo_already_exists"
]
}
]
}New
[
{
"name": "Validate <code>\u2068supply_end_date\u2069</code> not before <code>\u2068supply_start_date\u2069</code>",
"description": "Validates that <code>\u2068supply_end_date\u2069</code>, if given, is on or later than <code>\u2068supply_start_date\u2069</code>.",
"possible_errors": [
"start_date_later_than_end_date"
]
},
{
"name": "Validate agreements do not start before supply start date",
"description": "Validate that agreements do not start before the supply point's supply start date, if provided.",
"possible_errors": [
"agreement_start_date_before_supply_start_date"
]
},
{
"name": "Validate that exactly one active agreement is provided",
"description": "Validate that exactly one active agreement is provided for the supply point if it is already on supply. If the <code>supply_start_date</code> is in the future or the <code>supply_end_date</code> is in the past then we do not check for an active agreement.",
"possible_errors": [
"exactly_one_active_agreement_required"
]
},
{
"name": "Validate that a future agreement provided if supply start date is in the future",
"description": "Validate that exactly one future agreement is provided if the supply start date is in the future. This future agreement must start on the supply start date.",
"possible_errors": [
"future_agreement_required"
]
},
{
"name": "Validate both <code>melo_number</code> and <code>identifier</code> are provided for on supply supply points",
"description": "Validate that both <code>melo_number</code> and <code>identifier</code> (MaLo number) are provided for supply points that are on supply or off supply but not fully billed.",
"possible_errors": [
"missing_data_for_on_supply_supply_point"
]
},
{
"name": "Validate that the given MeLo is not already on supply",
"description": "Validate that no existing MeLo with the same number is still on supply at the new account's supply start date. An existing MeLo whose supply has already ended is allowed (e.g. previous tenant churned, new tenant moves in).",
"possible_errors": [
"melo_already_exists"
]
}
]Old
[
{
"name": "Validate <code>\u2068supply_end_date\u2069</code> not before <code>\u2068supply_start_date\u2069</code>",
"description": "Validates that <code>\u2068supply_end_date\u2069</code>, if given, is on or later than <code>\u2068supply_start_date\u2069</code>.",
"possible_errors": [
"start_date_later_than_end_date"
]
},
{
"name": "Validate agreements do not start before supply start date",
"description": "Validate that agreements do not start before the supply point's supply start date, if provided.",
"possible_errors": [
"agreement_start_date_before_supply_start_date"
]
},
{
"name": "Validate that exactly one active agreement is provided",
"description": "Validate that exactly one active agreement is provided for the supply point if it is already on supply. If the <code>supply_start_date</code> is in the future or the <code>supply_end_date</code> is in the past then we do not check for an active agreement.",
"possible_errors": [
"exactly_one_active_agreement_required"
]
},
{
"name": "Validate that a future agreement provided if supply start date is in the future",
"description": "Validate that exactly one future agreement is provided if the supply start date is in the future. This future agreement must start on the supply start date.",
"possible_errors": [
"future_agreement_required"
]
},
{
"name": "Validate both <code>melo_number</code> and <code>identifier</code> are provided for on supply supply points",
"description": "Validate that both <code>melo_number</code> and <code>identifier</code> (MaLo number) are provided for supply points that are on supply or off supply but not fully billed.",
"possible_errors": [
"missing_data_for_on_supply_supply_point"
]
}
]New
{
"x-validators": [
{
"name": "Validate that the MeLo number format is correct",
"description": "Validate that the MeLo number format is correct. If it is not provided, the validation will pass as we assume it is a customer who is not currently on supply.",
"possible_errors": [
"invalid_melo"
]
}
]
}Old
{
"x-validators": [
{
"name": "Validate that the MeLo number format is correct",
"description": "Validate that the MeLo number format is correct. If it is not provided, the validation will pass as we assume it is a customer who is not currently on supply.",
"possible_errors": [
"invalid_melo"
]
},
{
"name": "Validate that the given MeLo does not already exist in the DB",
"description": "Validate that the given MeLo does not already exist in the DB. Specifically, the MeLo number should not be associated with any electricity or gas MeLos in the DB.",
"possible_errors": [
"melo_already_exists"
]
}
]
}New
[
{
"name": "Validate account type is valid",
"description": "Validate that only one account type is specified in the payload.",
"possible_errors": [
"multiple_account_types_selected"
]
},
{
"name": "Validate billing address fields",
"description": "If a legacy billing address is provided, validate that it is in the correct format.",
"possible_errors": [
"invalid_address"
]
},
{
"name": "Validate customer family name",
"description": "Validate the family name is provided for all customers on a domestic account. For Business accounts, set the family name to 'Business' if it is not provided.",
"possible_errors": [
"customer_family_name_required"
]
},
{
"name": "Validate metadata",
"description": "Validate that metadata, which is a list of key value pairs, does not contain duplicate keys.",
"possible_errors": [
"metadata_has_duplicate_keys"
]
},
{
"name": "Validate unique property external identifiers",
"description": "Ensures that <code>property_external_identifier</code> is not repeated across <code>supply_addresses</code> and <code>properties</code>.",
"possible_errors": [
"duplicate_property_external_identifiers"
]
},
{
"name": "Validate managed account type is allowed",
"description": "Validate that this instance of Kraken allows managed account types.",
"possible_errors": [
"managed_accounts_are_not_allowed"
]
},
{
"name": "Validate only portfolio lead has portfolio setting",
"description": "Validates that if portfolio settings are provided, then the account is marked as the portfolio lead.",
"possible_errors": [
"portfolio_settings_included_when_not_lead"
]
},
{
"name": "Validate business type and company number not provided for domestic accounts",
"description": "Validate that neither a business type or company number are provided for domestic accounts.",
"possible_errors": [
"business_fields_provided_for_domestic_accounts"
]
},
{
"name": "Validate no customers for unknown occupier",
"description": "Validate that no customers are provided for an unknown occupier.",
"possible_errors": [
"customer_with_unknown_occupier"
]
},
{
"name": "Validate that a customer given name is provided for business accounts",
"description": "Validate that a given name is provided for all customers on a business account. Note that this validation only applies if Kraken is configured to send registration flows for this import supplier.",
"possible_errors": [
"customer_given_name_required"
]
},
{
"name": "Validate portfolio reference provided correctly",
"description": "Validate that a portfolio reference is provided if portfolio settings have been provided and that a portfolio reference is not provided if the import supplier is set to create new portfolios.",
"possible_errors": [
"portfolio_references_missing",
"portfolio_references_provided"
]
},
{
"name": "Validate billing address style",
"description": "Validate that a legacy billing address (<code>billing_address1</code> etc.) and new-style billing address (<code>billing_address</code> object) are not both provided.",
"possible_errors": [
"billing_address_new_style_and_legacy"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate supply charge line items covered by a single agreement",
"description": "Validate each supply charge has a single agreement with matching product code that covers the period defined by it's line items minimum <code>start_date</code> to maximum <code>end_date</code>.",
"possible_errors": [
"supply_charge_line_items_not_covered_by_single_agreement"
]
},
{
"name": "Validate that Kraken can calculate when to start billing the account",
"description": "Validate that Kraken can calculate when to start billing the account. This is determined based on the existence of last billed to date, last statement closing date, and agreements.",
"possible_errors": [
"cannot_determine_responsible_for_billing_from_date"
]
},
{
"name": "Validate historical statement period end must not be in the future",
"description": "Ensures that the historical statement period end date (last_statement_closing_date or latest transaction_date) is not set in the future.",
"possible_errors": [
"historical_statement_period_end_in_future"
]
},
{
"name": "Validate that terms with supply type matches a supply point supply type",
"description": "Validate that for terms containing a <code>supply_type</code> field that there is a supply point in the payload with a matching <code>supply_type</code>.",
"possible_errors": [
"term_supply_type_mismatch"
]
},
{
"name": "Validate that supply addresses and supply points are provided if account contracts are provided",
"description": "Validate that if <code>account_contracts</code> have been provided that a supply address with supply points has been provided under <code>supply_addresses</code>",
"possible_errors": [
"account_contracts_without_supply_points"
]
},
{
"name": "Validate historical statement billing document identifier presence",
"description": "Ensure that billing document identifiers are only provided for historical statement transactions and only when the relevant feature flag is enabled.",
"possible_errors": [
"historical_statement_billing_document_identifier_missing",
"historical_statement_billing_document_identifier_not_allowed_when_feature_flag_disabled"
]
},
{
"name": "Validate current statement transactions do not provide <code>billing_document_identifier</code>",
"description": "Validate that none of the current statement transactions include a <code>billing_document_identifier</code>, as this field is only applicable to historical statement transactions.",
"possible_errors": [
"billing_document_identifier_not_allowed_for_current_statement_transactions"
]
},
{
"name": "Validate historical statement transaction billing document identifier",
"description": "Ensure that the billing document identifier is the same for all historical statement transactions.",
"possible_errors": [
"historical_statement_billing_document_identifier_mismatch"
]
},
{
"name": "Validate that contract terms' product codes are part of supply agreements",
"description": "Ensure that any contract terms with product references have corresponding products in supply addresses.",
"possible_errors": [
"contract_term_product_code_not_in_agreements"
]
},
{
"name": "Validate that business is provided if enforcing business contracts",
"description": "Validate that the business field is provided if <code>enforce_business_contracts_exist</code> is set to True on the import supplier configuration.",
"possible_errors": [
"business_field_required"
]
},
{
"name": "Validate that the sum of ledger balances equals the transfer balance",
"description": "Validate that the sum of all <code>ledger_balance</code> provided for each ledger in <code>ledgers</code> equals the account-level <code>transfer_balance</code>.",
"possible_errors": [
"ledger_balances_not_equal_to_transfer_balance"
]
},
{
"name": "Validate business user info against customer info",
"description": "Validates that business user information matches the corresponding customer information for basic fields.",
"possible_errors": [
"customer_details_and_user_details_both_provided"
]
},
{
"name": "Validate payment preference <code>ledger_identifier</code>",
"description": "Ensure that the <code>ledger_identifier</code> provided has an equivalent <code>ledger</code> object with the same <code>ledger_identifier</code> .",
"possible_errors": [
"invalid_payment_preference_ledger_identifier"
]
},
{
"name": "Validate that referenced ledgers are unique in payment preferences",
"description": "Ensure that each ledger is referenced in at most one payment preference.",
"possible_errors": [
"duplicate_ledger_in_payment_preferences"
]
},
{
"name": "Validate that valid instruction_identifier provided for <code>ACTIVE_NEW</code> payment preference",
"description": "Ensure that <code>ACTIVE_NEW</code> payment preference has instruction_identifier from </code>payment_instructions</code> object.",
"possible_errors": [
"active_new_payment_preference_invalid_instruction_identifier"
]
},
{
"name": "Validate that the transactions for a voucher do not exceed its value",
"description": "Validate that the sum of all transaction values for a voucher is not greater than the value of the voucher.",
"possible_errors": [
"voucher_transactions_sum_greater_than_voucher_value"
]
},
{
"name": "Validate that each voucher charge transaction id has a matching transaction id within a transaction of type CHARGE",
"description": "Validate that each <code>voucher</code> <code>charge_transaction_id</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CHARGE in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_charge_transaction_id_not_found"
]
},
{
"name": "Validate that each voucher redemption credit transaction id has a matching transaction id within a transaction of type CREDIT",
"description": "Validate that every <code>credit_transaction_id</code> in all <code>voucher_redemptions</code> in every <code>voucher</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CREDIT in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_redemption_credit_transaction_id_not_found"
]
},
{
"name": "Validate parent property references exist",
"description": "Validates that all <code>parent_property_reference</code> values in <code>supply_addresses</code> and <code>properties</code> correspond to a <code>property_external_identifier</code> in the payload. This ensures the property hierarchy is valid.",
"possible_errors": [
"parent_property_reference_not_found"
]
},
{
"name": "Validate ledger identifiers are known",
"description": "Validate ledger identifiers are among supply point identifiers.",
"possible_errors": [
"unknown_ledger_identifiers"
]
},
{
"name": "Validate identifiers are unique in ledgers",
"description": "Validate identifier is not declared twice in ledgers.",
"possible_errors": [
"duplicate_identifiers_entries_found"
]
},
{
"name": "Validate agreements cover last statement closing date",
"description": "Validate that there is an agreement for each supply point covering each ledger's <code>last_statement_closing_date</code>.",
"possible_errors": [
"no_agreement_covering_last_statement_closing_date"
]
},
{
"name": "Validate no unbilled period on former supply addresses",
"description": "Validate that if a customer is no longer at the given supply address they have been fully billed. This check is performed if we are importing supply address history.",
"possible_errors": [
"unbilled_former_supply_address"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate that corresponding supply type exists for the account reference",
"description": "Validate that, if a value is provided for an electricity or gas account reference namespace, a supply point of the corresponding supply type also exists.",
"possible_errors": [
"reference_for_invalid_supply_type"
]
},
{
"name": "Validate that sales channel and references must either both or neither be of type <code>PRICE_COMPARISON</code>",
"description": "Validate that if a price comparison reference is provided, the sales channel must be <code>PRICE_COMPARISON</code>, and vice versa.",
"possible_errors": [
"invalid_sales_channel_reference_combination"
]
},
{
"name": "Validate that billing data is complete",
"description": "Validate that if one required billing field is provided, the rest must also be provided. This means that if one of <code>last_statement_closing_date</code>, <code>last_statement_balance</code> (both on the relevant <code>ledger</code> object), <code>statements</code> or <code>transfer_readings</code> is provided, the rest must also be provided.",
"possible_errors": [
"incomplete_billing_data"
]
},
{
"name": "Validate that the given MaLo is not on supply currently or in the future",
"description": "Validate that the given MaLo is not on supply currently or in the future. A MaLo that is on supply could either belong to a non-migrated or a migrated account.",
"possible_errors": [
"duplicate_mpxn_on_supply",
"duplicate_mpxn_on_supply_in_the_future"
]
},
{
"name": "Validate that every supply point identifier is included in a ledger identifiers field",
"description": "Validate that every <code>supply_point</code> <code>identifier</code> is included in a <code>ledger</code> <code>identifiers</code> list. This is needed so that the supply point can be linked to the correct ledger information.",
"possible_errors": [
"identifier_missing_from_ledger_identifiers"
]
}
]Old
[
{
"name": "Validate account type is valid",
"description": "Validate that only one account type is specified in the payload.",
"possible_errors": [
"multiple_account_types_selected"
]
},
{
"name": "Validate billing address fields",
"description": "If a legacy billing address is provided, validate that it is in the correct format.",
"possible_errors": [
"invalid_address"
]
},
{
"name": "Validate customer family name",
"description": "Validate the family name is provided for all customers on a domestic account. For Business accounts, set the family name to 'Business' if it is not provided.",
"possible_errors": [
"customer_family_name_required"
]
},
{
"name": "Validate metadata",
"description": "Validate that metadata, which is a list of key value pairs, does not contain duplicate keys.",
"possible_errors": [
"metadata_has_duplicate_keys"
]
},
{
"name": "Validate unique property external identifiers",
"description": "Ensures that <code>property_external_identifier</code> is not repeated across <code>supply_addresses</code> and <code>properties</code>.",
"possible_errors": [
"duplicate_property_external_identifiers"
]
},
{
"name": "Validate managed account type is allowed",
"description": "Validate that this instance of Kraken allows managed account types.",
"possible_errors": [
"managed_accounts_are_not_allowed"
]
},
{
"name": "Validate only portfolio lead has portfolio setting",
"description": "Validates that if portfolio settings are provided, then the account is marked as the portfolio lead.",
"possible_errors": [
"portfolio_settings_included_when_not_lead"
]
},
{
"name": "Validate business type and company number not provided for domestic accounts",
"description": "Validate that neither a business type or company number are provided for domestic accounts.",
"possible_errors": [
"business_fields_provided_for_domestic_accounts"
]
},
{
"name": "Validate no customers for unknown occupier",
"description": "Validate that no customers are provided for an unknown occupier.",
"possible_errors": [
"customer_with_unknown_occupier"
]
},
{
"name": "Validate that a customer given name is provided for business accounts",
"description": "Validate that a given name is provided for all customers on a business account. Note that this validation only applies if Kraken is configured to send registration flows for this import supplier.",
"possible_errors": [
"customer_given_name_required"
]
},
{
"name": "Validate portfolio reference provided correctly",
"description": "Validate that a portfolio reference is provided if portfolio settings have been provided and that a portfolio reference is not provided if the import supplier is set to create new portfolios.",
"possible_errors": [
"portfolio_references_missing",
"portfolio_references_provided"
]
},
{
"name": "Validate billing address style",
"description": "Validate that a legacy billing address (<code>billing_address1</code> etc.) and new-style billing address (<code>billing_address</code> object) are not both provided.",
"possible_errors": [
"billing_address_new_style_and_legacy"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate supply charge line items covered by a single agreement",
"description": "Validate each supply charge has a single agreement with matching product code that covers the period defined by it's line items minimum <code>start_date</code> to maximum <code>end_date</code>.",
"possible_errors": [
"supply_charge_line_items_not_covered_by_single_agreement"
]
},
{
"name": "Validate that Kraken can calculate when to start billing the account",
"description": "Validate that Kraken can calculate when to start billing the account. This is determined based on the existence of last billed to date, last statement closing date, and agreements.",
"possible_errors": [
"cannot_determine_responsible_for_billing_from_date"
]
},
{
"name": "Validate historical statement period end must not be in the future",
"description": "Ensures that the historical statement period end date (last_statement_closing_date or latest transaction_date) is not set in the future.",
"possible_errors": [
"historical_statement_period_end_in_future"
]
},
{
"name": "Validate that terms with supply type matches a supply point supply type",
"description": "Validate that for terms containing a <code>supply_type</code> field that there is a supply point in the payload with a matching <code>supply_type</code>.",
"possible_errors": [
"term_supply_type_mismatch"
]
},
{
"name": "Validate that supply addresses and supply points are provided if account contracts are provided",
"description": "Validate that if <code>account_contracts</code> have been provided that a supply address with supply points has been provided under <code>supply_addresses</code>",
"possible_errors": [
"account_contracts_without_supply_points"
]
},
{
"name": "Validate historical statement billing document identifier presence",
"description": "Ensure that billing document identifiers are only provided for historical statement transactions and only when the relevant feature flag is enabled.",
"possible_errors": [
"historical_statement_billing_document_identifier_missing",
"historical_statement_billing_document_identifier_not_allowed_when_feature_flag_disabled"
]
},
{
"name": "Validate current statement transactions do not provide <code>billing_document_identifier</code>",
"description": "Validate that none of the current statement transactions include a <code>billing_document_identifier</code>, as this field is only applicable to historical statement transactions.",
"possible_errors": [
"billing_document_identifier_not_allowed_for_current_statement_transactions"
]
},
{
"name": "Validate historical statement transaction billing document identifier",
"description": "Ensure that the billing document identifier is the same for all historical statement transactions.",
"possible_errors": [
"historical_statement_billing_document_identifier_mismatch"
]
},
{
"name": "Validate that contract terms' product codes are part of supply agreements",
"description": "Ensure that any contract terms with product references have corresponding products in supply addresses.",
"possible_errors": [
"contract_term_product_code_not_in_agreements"
]
},
{
"name": "Validate that business is provided if enforcing business contracts",
"description": "Validate that the business field is provided if <code>enforce_business_contracts_exist</code> is set to True on the import supplier configuration.",
"possible_errors": [
"business_field_required"
]
},
{
"name": "Validate that the sum of ledger balances equals the transfer balance",
"description": "Validate that the sum of all <code>ledger_balance</code> provided for each ledger in <code>ledgers</code> equals the account-level <code>transfer_balance</code>.",
"possible_errors": [
"ledger_balances_not_equal_to_transfer_balance"
]
},
{
"name": "Validate business user info against customer info",
"description": "Validates that business user information matches the corresponding customer information for basic fields.",
"possible_errors": [
"customer_details_and_user_details_both_provided"
]
},
{
"name": "Validate payment preference <code>ledger_identifier</code>",
"description": "Ensure that the <code>ledger_identifier</code> provided has an equivalent <code>ledger</code> object with the same <code>ledger_identifier</code> .",
"possible_errors": [
"invalid_payment_preference_ledger_identifier"
]
},
{
"name": "Validate that referenced ledgers are unique in payment preferences",
"description": "Ensure that each ledger is referenced in at most one payment preference.",
"possible_errors": [
"duplicate_ledger_in_payment_preferences"
]
},
{
"name": "Validate that valid instruction_identifier provided for <code>ACTIVE_NEW</code> payment preference",
"description": "Ensure that <code>ACTIVE_NEW</code> payment preference has instruction_identifier from </code>payment_instructions</code> object.",
"possible_errors": [
"active_new_payment_preference_invalid_instruction_identifier"
]
},
{
"name": "Validate that the transactions for a voucher do not exceed its value",
"description": "Validate that the sum of all transaction values for a voucher is not greater than the value of the voucher.",
"possible_errors": [
"voucher_transactions_sum_greater_than_voucher_value"
]
},
{
"name": "Validate that each voucher charge transaction id has a matching transaction id within a transaction of type CHARGE",
"description": "Validate that each <code>voucher</code> <code>charge_transaction_id</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CHARGE in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_charge_transaction_id_not_found"
]
},
{
"name": "Validate that each voucher redemption credit transaction id has a matching transaction id within a transaction of type CREDIT",
"description": "Validate that every <code>credit_transaction_id</code> in all <code>voucher_redemptions</code> in every <code>voucher</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CREDIT in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_redemption_credit_transaction_id_not_found"
]
},
{
"name": "Validate ledger identifiers are known",
"description": "Validate ledger identifiers are among supply point identifiers.",
"possible_errors": [
"unknown_ledger_identifiers"
]
},
{
"name": "Validate identifiers are unique in ledgers",
"description": "Validate identifier is not declared twice in ledgers.",
"possible_errors": [
"duplicate_identifiers_entries_found"
]
},
{
"name": "Validate agreements cover last statement closing date",
"description": "Validate that there is an agreement for each supply point covering each ledger's <code>last_statement_closing_date</code>.",
"possible_errors": [
"no_agreement_covering_last_statement_closing_date"
]
},
{
"name": "Validate no unbilled period on former supply addresses",
"description": "Validate that if a customer is no longer at the given supply address they have been fully billed. This check is performed if we are importing supply address history.",
"possible_errors": [
"unbilled_former_supply_address"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate that corresponding supply type exists for the account reference",
"description": "Validate that, if a value is provided for an electricity or gas account reference namespace, a supply point of the corresponding supply type also exists.",
"possible_errors": [
"reference_for_invalid_supply_type"
]
},
{
"name": "Validate that sales channel and references must either both or neither be of type <code>PRICE_COMPARISON</code>",
"description": "Validate that if a price comparison reference is provided, the sales channel must be <code>PRICE_COMPARISON</code>, and vice versa.",
"possible_errors": [
"invalid_sales_channel_reference_combination"
]
},
{
"name": "Validate that billing data is complete",
"description": "Validate that if one required billing field is provided, the rest must also be provided. This means that if one of <code>last_statement_closing_date</code>, <code>last_statement_balance</code> (both on the relevant <code>ledger</code> object), <code>statements</code> or <code>transfer_readings</code> is provided, the rest must also be provided.",
"possible_errors": [
"incomplete_billing_data"
]
},
{
"name": "Validate that the given MaLo is not on supply currently or in the future",
"description": "Validate that the given MaLo is not on supply currently or in the future. A MaLo that is on supply could either belong to a non-migrated or a migrated account.",
"possible_errors": [
"duplicate_mpxn_on_supply",
"duplicate_mpxn_on_supply_in_the_future"
]
},
{
"name": "Validate that every supply point identifier is included in a ledger identifiers field",
"description": "Validate that every <code>supply_point</code> <code>identifier</code> is included in a <code>ledger</code> <code>identifiers</code> list. This is needed so that the supply point can be linked to the correct ledger information.",
"possible_errors": [
"identifier_missing_from_ledger_identifiers"
]
}
]Old
{
"maxItems": 1
}20 May 2026
New
{
"x-enum-descriptions": {
"bm_successful": "BM successful"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"BM successful": "BM successful"
}
}Old
{
"x-enum-descriptions": {}
}19 May 2026
No attributes to display
No attributes to display
New
{
"maxLength": 33
}Old
{
"maxLength": 11
}New
{
"x-enum-descriptions": {
"9870099900003": "9870099900003"
}
}Old
{
"x-enum-descriptions": {}
}14 May 2026
No attributes to display
13 May 2026
New
{
"x-enum-descriptions": {
"pricing_test": "Pricing Test",
"pricing_test_control": "Pricing Test Control"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"Pricing Test": "Pricing Test",
"Pricing Test Control": "Pricing Test Control"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"CHARGEBACK": "Chargeback"
}
}Old
{
"x-enum-descriptions": {}
}New
[
{
"name": "Validate account type is valid",
"description": "Validate that only one account type is specified in the payload.",
"possible_errors": [
"multiple_account_types_selected"
]
},
{
"name": "Validate billing address fields",
"description": "If a legacy billing address is provided, validate that it is in the correct format.",
"possible_errors": [
"invalid_address"
]
},
{
"name": "Validate customer family name",
"description": "Validate the family name is provided for all customers on a domestic account. For Business accounts, set the family name to 'Business' if it is not provided.",
"possible_errors": [
"customer_family_name_required"
]
},
{
"name": "Validate metadata",
"description": "Validate that metadata, which is a list of key value pairs, does not contain duplicate keys.",
"possible_errors": [
"metadata_has_duplicate_keys"
]
},
{
"name": "Validate unique property external identifiers",
"description": "Ensures that <code>property_external_identifier</code> is not repeated across <code>supply_addresses</code> and <code>properties</code>.",
"possible_errors": [
"duplicate_property_external_identifiers"
]
},
{
"name": "Validate managed account type is allowed",
"description": "Validate that this instance of Kraken allows managed account types.",
"possible_errors": [
"managed_accounts_are_not_allowed"
]
},
{
"name": "Validate only portfolio lead has portfolio setting",
"description": "Validates that if portfolio settings are provided, then the account is marked as the portfolio lead.",
"possible_errors": [
"portfolio_settings_included_when_not_lead"
]
},
{
"name": "Validate business type and company number not provided for domestic accounts",
"description": "Validate that neither a business type or company number are provided for domestic accounts.",
"possible_errors": [
"business_fields_provided_for_domestic_accounts"
]
},
{
"name": "Validate no customers for unknown occupier",
"description": "Validate that no customers are provided for an unknown occupier.",
"possible_errors": [
"customer_with_unknown_occupier"
]
},
{
"name": "Validate that a customer given name is provided for business accounts",
"description": "Validate that a given name is provided for all customers on a business account. Note that this validation only applies if Kraken is configured to send registration flows for this import supplier.",
"possible_errors": [
"customer_given_name_required"
]
},
{
"name": "Validate portfolio reference provided correctly",
"description": "Validate that a portfolio reference is provided if portfolio settings have been provided and that a portfolio reference is not provided if the import supplier is set to create new portfolios.",
"possible_errors": [
"portfolio_references_missing",
"portfolio_references_provided"
]
},
{
"name": "Validate billing address style",
"description": "Validate that a legacy billing address (<code>billing_address1</code> etc.) and new-style billing address (<code>billing_address</code> object) are not both provided.",
"possible_errors": [
"billing_address_new_style_and_legacy"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate supply charge line items covered by a single agreement",
"description": "Validate each supply charge has a single agreement with matching product code that covers the period defined by it's line items minimum <code>start_date</code> to maximum <code>end_date</code>.",
"possible_errors": [
"supply_charge_line_items_not_covered_by_single_agreement"
]
},
{
"name": "Validate that Kraken can calculate when to start billing the account",
"description": "Validate that Kraken can calculate when to start billing the account. This is determined based on the existence of last billed to date, last statement closing date, and agreements.",
"possible_errors": [
"cannot_determine_responsible_for_billing_from_date"
]
},
{
"name": "Validate historical statement period end must not be in the future",
"description": "Ensures that the historical statement period end date (last_statement_closing_date or latest transaction_date) is not set in the future.",
"possible_errors": [
"historical_statement_period_end_in_future"
]
},
{
"name": "Validate that terms with supply type matches a supply point supply type",
"description": "Validate that for terms containing a <code>supply_type</code> field that there is a supply point in the payload with a matching <code>supply_type</code>.",
"possible_errors": [
"term_supply_type_mismatch"
]
},
{
"name": "Validate that supply addresses and supply points are provided if account contracts are provided",
"description": "Validate that if <code>account_contracts</code> have been provided that a supply address with supply points has been provided under <code>supply_addresses</code>",
"possible_errors": [
"account_contracts_without_supply_points"
]
},
{
"name": "Validate historical statement billing document identifier presence",
"description": "Ensure that billing document identifiers are only provided for historical statement transactions and only when the relevant feature flag is enabled.",
"possible_errors": [
"historical_statement_billing_document_identifier_missing",
"historical_statement_billing_document_identifier_not_allowed_when_feature_flag_disabled"
]
},
{
"name": "Validate current statement transactions do not provide <code>billing_document_identifier</code>",
"description": "Validate that none of the current statement transactions include a <code>billing_document_identifier</code>, as this field is only applicable to historical statement transactions.",
"possible_errors": [
"billing_document_identifier_not_allowed_for_current_statement_transactions"
]
},
{
"name": "Validate historical statement transaction billing document identifier",
"description": "Ensure that the billing document identifier is the same for all historical statement transactions.",
"possible_errors": [
"historical_statement_billing_document_identifier_mismatch"
]
},
{
"name": "Validate that contract terms' product codes are part of supply agreements",
"description": "Ensure that any contract terms with product references have corresponding products in supply addresses.",
"possible_errors": [
"contract_term_product_code_not_in_agreements"
]
},
{
"name": "Validate that business is provided if enforcing business contracts",
"description": "Validate that the business field is provided if <code>enforce_business_contracts_exist</code> is set to True on the import supplier configuration.",
"possible_errors": [
"business_field_required"
]
},
{
"name": "Validate that the sum of ledger balances equals the transfer balance",
"description": "Validate that the sum of all <code>ledger_balance</code> provided for each ledger in <code>ledgers</code> equals the account-level <code>transfer_balance</code>.",
"possible_errors": [
"ledger_balances_not_equal_to_transfer_balance"
]
},
{
"name": "Validate business user info against customer info",
"description": "Validates that business user information matches the corresponding customer information for basic fields.",
"possible_errors": [
"customer_details_and_user_details_both_provided"
]
},
{
"name": "Validate payment preference <code>ledger_identifier</code>",
"description": "Ensure that the <code>ledger_identifier</code> provided has an equivalent <code>ledger</code> object with the same <code>ledger_identifier</code> .",
"possible_errors": [
"invalid_payment_preference_ledger_identifier"
]
},
{
"name": "Validate that referenced ledgers are unique in payment preferences",
"description": "Ensure that each ledger is referenced in at most one payment preference.",
"possible_errors": [
"duplicate_ledger_in_payment_preferences"
]
},
{
"name": "Validate that valid instruction_identifier provided for <code>ACTIVE_NEW</code> payment preference",
"description": "Ensure that <code>ACTIVE_NEW</code> payment preference has instruction_identifier from </code>payment_instructions</code> object.",
"possible_errors": [
"active_new_payment_preference_invalid_instruction_identifier"
]
},
{
"name": "Validate that the transactions for a voucher do not exceed its value",
"description": "Validate that the sum of all transaction values for a voucher is not greater than the value of the voucher.",
"possible_errors": [
"voucher_transactions_sum_greater_than_voucher_value"
]
},
{
"name": "Validate that each voucher charge transaction id has a matching transaction id within a transaction of type CHARGE",
"description": "Validate that each <code>voucher</code> <code>charge_transaction_id</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CHARGE in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_charge_transaction_id_not_found"
]
},
{
"name": "Validate that each voucher redemption credit transaction id has a matching transaction id within a transaction of type CREDIT",
"description": "Validate that every <code>credit_transaction_id</code> in all <code>voucher_redemptions</code> in every <code>voucher</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CREDIT in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_redemption_credit_transaction_id_not_found"
]
},
{
"name": "Validate ledger identifiers are known",
"description": "Validate ledger identifiers are among supply point identifiers.",
"possible_errors": [
"unknown_ledger_identifiers"
]
},
{
"name": "Validate identifiers are unique in ledgers",
"description": "Validate identifier is not declared twice in ledgers.",
"possible_errors": [
"duplicate_identifiers_entries_found"
]
},
{
"name": "Validate agreements cover last statement closing date",
"description": "Validate that there is an agreement for each supply point covering each ledger's <code>last_statement_closing_date</code>.",
"possible_errors": [
"no_agreement_covering_last_statement_closing_date"
]
},
{
"name": "Validate no unbilled period on former supply addresses",
"description": "Validate that if a customer is no longer at the given supply address they have been fully billed. This check is performed if we are importing supply address history.",
"possible_errors": [
"unbilled_former_supply_address"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate that corresponding supply type exists for the account reference",
"description": "Validate that, if a value is provided for an electricity or gas account reference namespace, a supply point of the corresponding supply type also exists.",
"possible_errors": [
"reference_for_invalid_supply_type"
]
},
{
"name": "Validate that sales channel and references must either both or neither be of type <code>PRICE_COMPARISON</code>",
"description": "Validate that if a price comparison reference is provided, the sales channel must be <code>PRICE_COMPARISON</code>, and vice versa.",
"possible_errors": [
"invalid_sales_channel_reference_combination"
]
},
{
"name": "Validate that billing data is complete",
"description": "Validate that if one required billing field is provided, the rest must also be provided. This means that if one of <code>last_statement_closing_date</code>, <code>last_statement_balance</code> (both on the relevant <code>ledger</code> object), <code>statements</code> or <code>transfer_readings</code> is provided, the rest must also be provided.",
"possible_errors": [
"incomplete_billing_data"
]
},
{
"name": "Validate that the given MaLo is not on supply currently or in the future",
"description": "Validate that the given MaLo is not on supply currently or in the future. A MaLo that is on supply could either belong to a non-migrated or a migrated account.",
"possible_errors": [
"duplicate_mpxn_on_supply",
"duplicate_mpxn_on_supply_in_the_future"
]
},
{
"name": "Validate that every supply point identifier is included in a ledger identifiers field",
"description": "Validate that every <code>supply_point</code> <code>identifier</code> is included in a <code>ledger</code> <code>identifiers</code> list. This is needed so that the supply point can be linked to the correct ledger information.",
"possible_errors": [
"identifier_missing_from_ledger_identifiers"
]
}
]Old
[
{
"name": "Validate account type is valid",
"description": "Validate that only one account type is specified in the payload.",
"possible_errors": [
"multiple_account_types_selected"
]
},
{
"name": "Validate billing address fields",
"description": "If a legacy billing address is provided, validate that it is in the correct format.",
"possible_errors": [
"invalid_address"
]
},
{
"name": "Validate customer family name",
"description": "Validate the family name is provided for all customers on a domestic account. For Business accounts, set the family name to 'Business' if it is not provided.",
"possible_errors": [
"customer_family_name_required"
]
},
{
"name": "Validate metadata",
"description": "Validate that metadata, which is a list of key value pairs, does not contain duplicate keys.",
"possible_errors": [
"metadata_has_duplicate_keys"
]
},
{
"name": "Validate managed account type is allowed",
"description": "Validate that this instance of Kraken allows managed account types.",
"possible_errors": [
"managed_accounts_are_not_allowed"
]
},
{
"name": "Validate only portfolio lead has portfolio setting",
"description": "Validates that if portfolio settings are provided, then the account is marked as the portfolio lead.",
"possible_errors": [
"portfolio_settings_included_when_not_lead"
]
},
{
"name": "Validate business type and company number not provided for domestic accounts",
"description": "Validate that neither a business type or company number are provided for domestic accounts.",
"possible_errors": [
"business_fields_provided_for_domestic_accounts"
]
},
{
"name": "Validate no customers for unknown occupier",
"description": "Validate that no customers are provided for an unknown occupier.",
"possible_errors": [
"customer_with_unknown_occupier"
]
},
{
"name": "Validate that a customer given name is provided for business accounts",
"description": "Validate that a given name is provided for all customers on a business account. Note that this validation only applies if Kraken is configured to send registration flows for this import supplier.",
"possible_errors": [
"customer_given_name_required"
]
},
{
"name": "Validate portfolio reference provided correctly",
"description": "Validate that a portfolio reference is provided if portfolio settings have been provided and that a portfolio reference is not provided if the import supplier is set to create new portfolios.",
"possible_errors": [
"portfolio_references_missing",
"portfolio_references_provided"
]
},
{
"name": "Validate billing address style",
"description": "Validate that a legacy billing address (<code>billing_address1</code> etc.) and new-style billing address (<code>billing_address</code> object) are not both provided.",
"possible_errors": [
"billing_address_new_style_and_legacy"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate supply charge line items covered by a single agreement",
"description": "Validate each supply charge has a single agreement with matching product code that covers the period defined by it's line items minimum <code>start_date</code> to maximum <code>end_date</code>.",
"possible_errors": [
"supply_charge_line_items_not_covered_by_single_agreement"
]
},
{
"name": "Validate that Kraken can calculate when to start billing the account",
"description": "Validate that Kraken can calculate when to start billing the account. This is determined based on the existence of last billed to date, last statement closing date, and agreements.",
"possible_errors": [
"cannot_determine_responsible_for_billing_from_date"
]
},
{
"name": "Validate historical statement period end must not be in the future",
"description": "Ensures that the historical statement period end date (last_statement_closing_date or latest transaction_date) is not set in the future.",
"possible_errors": [
"historical_statement_period_end_in_future"
]
},
{
"name": "Validate that terms with supply type matches a supply point supply type",
"description": "Validate that for terms containing a <code>supply_type</code> field that there is a supply point in the payload with a matching <code>supply_type</code>.",
"possible_errors": [
"term_supply_type_mismatch"
]
},
{
"name": "Validate that supply addresses and supply points are provided if account contracts are provided",
"description": "Validate that if <code>account_contracts</code> have been provided that a supply address with supply points has been provided under <code>supply_addresses</code>",
"possible_errors": [
"account_contracts_without_supply_points"
]
},
{
"name": "Validate historical statement billing document identifier presence",
"description": "Ensure that billing document identifiers are only provided for historical statement transactions and only when the relevant feature flag is enabled.",
"possible_errors": [
"historical_statement_billing_document_identifier_missing",
"historical_statement_billing_document_identifier_not_allowed_when_feature_flag_disabled"
]
},
{
"name": "Validate current statement transactions do not provide <code>billing_document_identifier</code>",
"description": "Validate that none of the current statement transactions include a <code>billing_document_identifier</code>, as this field is only applicable to historical statement transactions.",
"possible_errors": [
"billing_document_identifier_not_allowed_for_current_statement_transactions"
]
},
{
"name": "Validate historical statement transaction billing document identifier",
"description": "Ensure that the billing document identifier is the same for all historical statement transactions.",
"possible_errors": [
"historical_statement_billing_document_identifier_mismatch"
]
},
{
"name": "Validate that contract terms' product codes are part of supply agreements",
"description": "Ensure that any contract terms with product references have corresponding products in supply addresses.",
"possible_errors": [
"contract_term_product_code_not_in_agreements"
]
},
{
"name": "Validate that business is provided if enforcing business contracts",
"description": "Validate that the business field is provided if <code>enforce_business_contracts_exist</code> is set to True on the import supplier configuration.",
"possible_errors": [
"business_field_required"
]
},
{
"name": "Validate that the sum of ledger balances equals the transfer balance",
"description": "Validate that the sum of all <code>ledger_balance</code> provided for each ledger in <code>ledgers</code> equals the account-level <code>transfer_balance</code>.",
"possible_errors": [
"ledger_balances_not_equal_to_transfer_balance"
]
},
{
"name": "Validate business user info against customer info",
"description": "Validates that business user information matches the corresponding customer information for basic fields.",
"possible_errors": [
"customer_details_and_user_details_both_provided"
]
},
{
"name": "Validate payment preference <code>ledger_identifier</code>",
"description": "Ensure that the <code>ledger_identifier</code> provided has an equivalent <code>ledger</code> object with the same <code>ledger_identifier</code> .",
"possible_errors": [
"invalid_payment_preference_ledger_identifier"
]
},
{
"name": "Validate that referenced ledgers are unique in payment preferences",
"description": "Ensure that each ledger is referenced in at most one payment preference.",
"possible_errors": [
"duplicate_ledger_in_payment_preferences"
]
},
{
"name": "Validate that valid instruction_identifier provided for <code>ACTIVE_NEW</code> payment preference",
"description": "Ensure that <code>ACTIVE_NEW</code> payment preference has instruction_identifier from </code>payment_instructions</code> object.",
"possible_errors": [
"active_new_payment_preference_invalid_instruction_identifier"
]
},
{
"name": "Validate that the transactions for a voucher do not exceed its value",
"description": "Validate that the sum of all transaction values for a voucher is not greater than the value of the voucher.",
"possible_errors": [
"voucher_transactions_sum_greater_than_voucher_value"
]
},
{
"name": "Validate that each voucher charge transaction id has a matching transaction id within a transaction of type CHARGE",
"description": "Validate that each <code>voucher</code> <code>charge_transaction_id</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CHARGE in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_charge_transaction_id_not_found"
]
},
{
"name": "Validate that each voucher redemption credit transaction id has a matching transaction id within a transaction of type CREDIT",
"description": "Validate that every <code>credit_transaction_id</code> in all <code>voucher_redemptions</code> in every <code>voucher</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CREDIT in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_redemption_credit_transaction_id_not_found"
]
},
{
"name": "Validate ledger identifiers are known",
"description": "Validate ledger identifiers are among supply point identifiers.",
"possible_errors": [
"unknown_ledger_identifiers"
]
},
{
"name": "Validate identifiers are unique in ledgers",
"description": "Validate identifier is not declared twice in ledgers.",
"possible_errors": [
"duplicate_identifiers_entries_found"
]
},
{
"name": "Validate agreements cover last statement closing date",
"description": "Validate that there is an agreement for each supply point covering each ledger's <code>last_statement_closing_date</code>.",
"possible_errors": [
"no_agreement_covering_last_statement_closing_date"
]
},
{
"name": "Validate no unbilled period on former supply addresses",
"description": "Validate that if a customer is no longer at the given supply address they have been fully billed. This check is performed if we are importing supply address history.",
"possible_errors": [
"unbilled_former_supply_address"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate that corresponding supply type exists for the account reference",
"description": "Validate that, if a value is provided for an electricity or gas account reference namespace, a supply point of the corresponding supply type also exists.",
"possible_errors": [
"reference_for_invalid_supply_type"
]
},
{
"name": "Validate that sales channel and references must either both or neither be of type <code>PRICE_COMPARISON</code>",
"description": "Validate that if a price comparison reference is provided, the sales channel must be <code>PRICE_COMPARISON</code>, and vice versa.",
"possible_errors": [
"invalid_sales_channel_reference_combination"
]
},
{
"name": "Validate that billing data is complete",
"description": "Validate that if one required billing field is provided, the rest must also be provided. This means that if one of <code>last_statement_closing_date</code>, <code>last_statement_balance</code> (both on the relevant <code>ledger</code> object), <code>statements</code> or <code>transfer_readings</code> is provided, the rest must also be provided.",
"possible_errors": [
"incomplete_billing_data"
]
},
{
"name": "Validate that the given MaLo is not on supply currently or in the future",
"description": "Validate that the given MaLo is not on supply currently or in the future. A MaLo that is on supply could either belong to a non-migrated or a migrated account.",
"possible_errors": [
"duplicate_mpxn_on_supply",
"duplicate_mpxn_on_supply_in_the_future"
]
},
{
"name": "Validate that every supply point identifier is included in a ledger identifiers field",
"description": "Validate that every <code>supply_point</code> <code>identifier</code> is included in a <code>ledger</code> <code>identifiers</code> list. This is needed so that the supply point can be linked to the correct ledger information.",
"possible_errors": [
"identifier_missing_from_ledger_identifiers"
]
}
]12 May 2026
New
{
"x-enum-descriptions": {
"9870076900000": "9870076900000"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"de-de": "German"
}
}Old
{
"x-enum-descriptions": {
"en-us": "English (US)",
"fr-fr": "French",
"es-419": "Spanish (Latin America)"
}
}11 May 2026
New
{
"x-enum-descriptions": {
"OEDE_IO_BA_BONUS_APR": "OEDE_IO_BA_BONUS_APR",
"OEDE_IO_BA_BONUS_AUG": "OEDE_IO_BA_BONUS_AUG",
"OEDE_IO_BA_BONUS_JUL": "OEDE_IO_BA_BONUS_JUL",
"OEDE_IO_BA_BONUS_JUN": "OEDE_IO_BA_BONUS_JUN",
"OEDE_IO_BA_BONUS_MAR": "OEDE_IO_BA_BONUS_MAR",
"OEDE_IO_BA_BONUS_MAY": "OEDE_IO_BA_BONUS_MAY",
"OEDE_IO_BA_BONUS_OCT": "OEDE_IO_BA_BONUS_OCT",
"OEDE_IO_BA_BONUS_SEP": "OEDE_IO_BA_BONUS_SEP"
}
}Old
{
"x-enum-descriptions": {}
}
No attributes to display
8 May 2026
New
{
"x-removal-date": "2026-05-25"
}New
{
"x-removal-date": "2026-05-25"
}New
{
"x-enum-descriptions": {
"customers_who_do_not_want_ot_receive_a_monthly_payment_reminder_mail": "NoPaymentReminder"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"NoPaymentReminder": "NoPaymentReminder"
}
}Old
{
"x-enum-descriptions": {}
}7 May 2026
No attributes to display
No attributes to display
No attributes to display
6 May 2026
No attributes to display
No attributes to display
4 May 2026
New
{
"x-enum-descriptions": {}
}Old
{
"x-enum-descriptions": {
"METERING_JOB_SMS": "METERING_JOB_SMS",
"METERING_JOB_BUSINESS": "METERING_JOB_BUSINESS",
"SOLR_BALANCE_TRANSFER": "SOLR_BALANCE_TRANSFER",
"PREPAY_DEBT_ADJUSTMENT": "PREPAY_DEBT_ADJUSTMENT",
"BUSINESS_ADVANCE_PAYMENT": "BUSINESS_ADVANCE_PAYMENT",
"NEST_LEARNING_THERMOSTAT_RENTAL": "NEST_LEARNING_THERMOSTAT_RENTAL"
}
}New
{
"x-enum-descriptions": {
"customer_care_calls": "Customer Care Calls"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"Customer Care Calls": "Customer Care Calls"
}
}Old
{
"x-enum-descriptions": {}
}30 April 2026
New
{
"x-enum-descriptions": {
"9870018100006": "9870018100006"
}
}Old
{
"x-enum-descriptions": {}
}29 April 2026
No attributes to display
No attributes to display
28 April 2026
No attributes to display
New
{
"x-enum-descriptions": {
"14a_modul_1": "14a Modul 1",
"14a_modul_2": "14a Modul 2",
"14a_modul_3": "14a Modul 3"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"14a Modul 1": "14a Modul 1",
"14a Modul 2": "14a Modul 2",
"14a Modul 3": "14a Modul 3"
}
}Old
{
"x-enum-descriptions": {}
}27 April 2026
New
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6000,
3430
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}
No attributes to display
No attributes to display
24 April 2026
New
{
"x-enum-descriptions": {
"9870081900003": "9870081900003"
}
}Old
{
"x-enum-descriptions": {}
}20 April 2026
New
{
"x-removal-date": "2026-05-20"
}New
{
"x-removal-date": "2026-05-20"
}Old
{
"nullable": true
}18 April 2026
New
{
"x-enum-descriptions": {
"picnic_registrations": "Picknickdecken Registrations",
"ets_2025_registrations": "ETS 2025 Registrations"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"ETS 2025 Registrations": "ETS 2025 Registrations",
"Picknickdecken Registrations": "Picknickdecken Registrations"
}
}Old
{
"x-enum-descriptions": {}
}17 April 2026
No attributes to display
No attributes to display
16 April 2026
New
{
"x-enum-descriptions": {
"cx_cl_letter": "CX Customer Love Letter"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"CX Customer Love Letter": "CX Customer Love Letter"
}
}Old
{
"x-enum-descriptions": {}
}15 April 2026
New
{
"x-enum-descriptions": {
"fan_club_testers": "Fan Club Testers"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"Fan Club Testers": "Fan Club Testers"
}
}Old
{
"x-enum-descriptions": {}
}14 April 2026
New
{
"x-enum-descriptions": {
"halloween_preistransparenz": "Halloween Brief"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"Halloween Brief": "Halloween Brief"
}
}Old
{
"x-enum-descriptions": {}
}10 April 2026
New
{
"x-enum-descriptions": {
"9870038400006": "9870038400006"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"POLE": "Pole",
"LIGHT": "Light"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"POLE": "Pole",
"LIGHT": "Light"
}
}Old
{
"x-enum-descriptions": {}
}8 April 2026
New
{
"x-enum-descriptions": {
"unit_east_telefonaktion": "Unit East Telefonaktion"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"Unit East Telefonaktion": "Unit East Telefonaktion"
}
}Old
{
"x-enum-descriptions": {}
}2 April 2026
New
{
"x-enum-descriptions": {
"4motions": "4motions"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"4motions": "4motions"
}
}Old
{
"x-enum-descriptions": {}
}30 March 2026
No attributes to display
No attributes to display
27 March 2026
New
{
"x-enum-descriptions": {
"CUSTOM": "Custom"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"CUSTOM": "Custom"
}
}Old
{
"x-enum-descriptions": {}
}24 March 2026
New
{
"x-removal-date": "2026-04-29"
}23 March 2026
New
{
"x-enum-descriptions": {
"9870006400004": "9870006400004"
}
}Old
{
"x-enum-descriptions": {}
}20 March 2026
New
{
"x-enum-descriptions": {
"TEST-WLW": "TEST-WLW"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"TEST-WLW": "TEST-WLW"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"TEST-WLW": "TEST-WLW"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"TEST-WLW": "TEST-WLW"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"TEST-WLW": "TEST-WLW"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"TEST-WLW": "TEST-WLW"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"TEST-WLW": "TEST-WLW"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"TEST-WLW": "TEST-WLW"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"TEST-WLW": "TEST-WLW"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"TEST-WLW": "TEST-WLW"
}
}Old
{
"x-enum-descriptions": {}
}16 March 2026
New
{
"x-enum-descriptions": {
"reduced_network_fees_2026_bonus": "Reduzierte Netzentgelte 2026 Bonus"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"Reduzierte Netzentgelte 2026 Bonus": "Reduzierte Netzentgelte 2026 Bonus"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"15_RABATT_NON_BM": "15_RABATT_NON_BM"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"sm_rabatt": "SM Rabatt 15% auf \u00dcbergangstarif"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"SM Rabatt 15% auf \u00dcbergangstarif": "SM Rabatt 15% auf \u00dcbergangstarif"
}
}Old
{
"x-enum-descriptions": {}
}12 March 2026
New
{
"enum": [
"2095",
"1604",
"8492",
"46251",
"4000",
"3401",
"1976",
"11000",
"2501",
"3430",
"8000",
"2847",
"34300",
"5694",
"32000",
"7000",
"45406",
"1655",
"9446",
"24044",
"35000",
"4933",
"12693",
"9506",
"2000",
"2040",
"27001",
"2681",
"9771",
"3286",
"17043",
"2604",
"26780",
"44000",
"9731",
"3004",
"4078",
"8602",
"1600",
"10271",
"18988",
"5715",
"13334",
"17143",
"16830",
"10601",
"2951",
"6000",
"30640",
"2678",
"24221",
"20352",
"1285",
"12000",
"6044",
"21001",
"24000",
"42000",
"31001",
"2183",
"9447",
"38000",
"6251",
"4322",
"30693",
"32150",
"10436",
"3215",
"23750",
"2985",
"2921",
"43221",
"1340",
"11790",
"2101",
"45441",
"37505",
"26000",
"33001",
"200",
"15000",
"18000",
"32650",
"32860",
"1300",
"3066",
"16020",
"21830",
"2934",
"27611",
"5000",
"44501",
"4401",
"1500",
"15854",
"19501",
"7686",
"23000",
"7786",
"7594",
"9000",
"5601",
"46532",
"49999",
"7201",
"2486",
"42202",
"2401",
"48000",
"3601",
"3101",
"1683",
"3693",
"11138",
"30000",
"25000",
"34000",
"18311",
"4501",
"6201",
"1484",
"2076",
"9875",
"16000",
"6667",
"37501",
"13335",
"3142",
"7601",
"21748",
"5970",
"9298",
"46868",
"5504",
"7261",
"7501",
"36000",
"7935",
"11581",
"2550",
"20950",
"1819",
"28000",
"37001",
"12501",
"7586",
"20000",
"3265",
"27036",
"1000",
"10000",
"9301",
"1841",
"32501",
"9623",
"2701",
"2826",
"42701",
"400",
"2530",
"22000",
"26250",
"17000",
"43406",
"40000",
"6160",
"14000",
"5101",
"19000",
"8914",
"19251",
"3251",
"2375",
"2625",
"26040",
"3501"
],
"type": "string",
"x-spec-enum-id": "1b82dbb24379c8c1",
"x-enum-descriptions": {
"200": "200",
"400": "400",
"1000": "1000",
"1285": "1285",
"1300": "1300",
"1340": "1340",
"1484": "1484",
"1500": "1500",
"1600": "1600",
"1604": "1604",
"1655": "1655",
"1683": "1683",
"1819": "1819",
"1841": "1841",
"1976": "1976",
"2000": "2000",
"2040": "2040",
"2076": "2076",
"2095": "2095",
"2101": "2101",
"2183": "2183",
"2375": "2375",
"2401": "2401",
"2486": "2486",
"2501": "2501",
"2530": "2530",
"2550": "2550",
"2604": "2604",
"2625": "2625",
"2678": "2678",
"2681": "2681",
"2701": "2701",
"2826": "2826",
"2847": "2847",
"2921": "2921",
"2934": "2934",
"2951": "2951",
"2985": "2985",
"3004": "3004",
"3066": "3066",
"3101": "3101",
"3142": "3142",
"3215": "3215",
"3251": "3251",
"3265": "3265",
"3286": "3286",
"3401": "3401",
"3430": "3430",
"3501": "3501",
"3601": "3601",
"3693": "3693",
"4000": "4000",
"4078": "4078",
"4322": "4322",
"4401": "4401",
"4501": "4501",
"4933": "4933",
"5000": "5000",
"5101": "5101",
"5504": "5504",
"5601": "5601",
"5694": "5694",
"5715": "5715",
"5970": "5970",
"6000": "6000",
"6044": "6044",
"6160": "6160",
"6201": "6201",
"6251": "6251",
"6667": "6667",
"7000": "7000",
"7201": "7201",
"7261": "7261",
"7501": "7501",
"7586": "7586",
"7594": "7594",
"7601": "7601",
"7686": "7686",
"7786": "7786",
"7935": "7935",
"8000": "8000",
"8492": "8492",
"8602": "8602",
"8914": "8914",
"9000": "9000",
"9298": "9298",
"9301": "9301",
"9446": "9446",
"9447": "9447",
"9506": "9506",
"9623": "9623",
"9731": "9731",
"9771": "9771",
"9875": "9875",
"10000": "10000",
"10271": "10271",
"10436": "10436",
"10601": "10601",
"11000": "11000",
"11138": "11138",
"11581": "11581",
"11790": "11790",
"12000": "12000",
"12501": "12501",
"12693": "12693",
"13334": "13334",
"13335": "13335",
"14000": "14000",
"15000": "15000",
"15854": "15854",
"16000": "16000",
"16020": "16020",
"16830": "16830",
"17000": "17000",
"17043": "17043",
"17143": "17143",
"18000": "18000",
"18311": "18311",
"18988": "18988",
"19000": "19000",
"19251": "19251",
"19501": "19501",
"20000": "20000",
"20352": "20352",
"20950": "20950",
"21001": "21001",
"21748": "21748",
"21830": "21830",
"22000": "22000",
"23000": "23000",
"23750": "23750",
"24000": "24000",
"24044": "24044",
"24221": "24221",
"25000": "25000",
"26000": "26000",
"26040": "26040",
"26250": "26250",
"26780": "26780",
"27001": "27001",
"27036": "27036",
"27611": "27611",
"28000": "28000",
"30000": "30000",
"30640": "30640",
"30693": "30693",
"31001": "31001",
"32000": "32000",
"32150": "32150",
"32501": "32501",
"32650": "32650",
"32860": "32860",
"33001": "33001",
"34000": "34000",
"34300": "34300",
"35000": "35000",
"36000": "36000",
"37001": "37001",
"37501": "37501",
"37505": "37505",
"38000": "38000",
"40000": "40000",
"42000": "42000",
"42202": "42202",
"42701": "42701",
"43221": "43221",
"43406": "43406",
"44000": "44000",
"44501": "44501",
"45406": "45406",
"45441": "45441",
"46251": "46251",
"46532": "46532",
"46868": "46868",
"48000": "48000",
"49999": "49999"
}
}Old
{
"x-comment": "Choices for this field are dynamic, once appropriate values have been configured they will be rendered here.",
"x-spec-enum-id": "4f53cda18c2baa0c"
}New
{
"CONSUMPTION_STEP_GAS": "#/components/schemas/ConsumptionStepGasCharacteristic"
}New
[
{
"$ref": "#/components/schemas/MarketParticipantCodeCharacteristic"
},
{
"$ref": "#/components/schemas/PriceIndexCharacteristic"
},
{
"$ref": "#/components/schemas/SalesChannelCharacteristic"
},
{
"$ref": "#/components/schemas/PostcodeCharacteristic"
},
{
"$ref": "#/components/schemas/ConsumptionStepElecCharacteristic"
},
{
"$ref": "#/components/schemas/ConsumptionStepGasCharacteristic"
},
{
"$ref": "#/components/schemas/NetworkOperatorNumberCharacteristic"
}
]Old
[
{
"$ref": "#/components/schemas/NetworkOperatorNumberCharacteristic"
},
{
"$ref": "#/components/schemas/PostcodeCharacteristic"
},
{
"$ref": "#/components/schemas/PriceIndexCharacteristic"
},
{
"$ref": "#/components/schemas/SalesChannelCharacteristic"
},
{
"$ref": "#/components/schemas/ConsumptionStepElecCharacteristic"
},
{
"$ref": "#/components/schemas/MarketParticipantCodeCharacteristic"
}
]New
{
"x-enum-descriptions": {
"500": "500",
"2000": "2000",
"2250": "2250",
"2500": "2500",
"2750": "2750",
"3000": "3000",
"3250": "3250",
"3500": "3500",
"3750": "3750",
"4000": "4000",
"4250": "4250",
"4500": "4500",
"4750": "4750",
"5000": "5000",
"5500": "5500",
"6000": "6000",
"6500": "6500",
"7000": "7000",
"7500": "7500",
"8000": "8000",
"8500": "8500",
"9000": "9000",
"9500": "9500",
"10000": "10000",
"10500": "10500",
"11000": "11000",
"11500": "11500",
"12000": "12000",
"12500": "12500",
"13000": "13000",
"13500": "13500",
"14000": "14000",
"14500": "14500",
"15000": "15000",
"15500": "15500",
"16000": "16000",
"16500": "16500",
"17000": "17000",
"17500": "17500",
"18000": "18000",
"18500": "18500",
"19000": "19000",
"19500": "19500",
"20000": "20000"
}
}Old
{
"x-enum-descriptions": {
"200": "200"
}
}New
{
"x-enum-descriptions": {
"0": "0",
"100": "100",
"200": "200",
"250": "250",
"750": "750",
"1250": "1250",
"1500": "1500",
"1750": "1750"
}
}Old
{
"x-enum-descriptions": {
"500": "500"
}
}10 March 2026
New
{
"x-enum-descriptions": {
"9907777000001": "9907777000001"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"asset_wind_controllable": "Asset: Wind (steuerbar)",
"asset_biomasse_controllable": "Asset: Biomasse (steuerbar)",
"asset_wind_not-controllable": "Asset: Wind (nicht-steuerbar)",
"asset_pv-anlage_controllable": "Asset: Solar (Photovoltaik) (steuerbar)",
"asset_wasserkraft_controllable": "Asset: Wasserkraft (steuerbar)",
"asset_biomasse_not-controllable": "Asset: Biomasse (nicht-steuerbar)",
"asset_pumpspeicher_controllable": "Asset: Pumpspeicher (steuerbar)",
"asset_pv-anlage_not-controllable": "Asset: Solar (Photovoltaik) (nicht-steuerbar)",
"asset_wasserkraft_not-controllable": "Asset: Wasserkraft (nicht-steuerbar)",
"asset_pumpspeicher_not-controllable": "Asset: Pumpspeicher (nicht-steuerbar)",
"asset_sonstige-speicherart_controllable": "Asset: Sonstige Speicherart (steuerbar)",
"asset_sonstige-speicherart_not-controllable": "Asset: Sonstige Speicherart (nicht-steuerbar)"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"Asset: Wind (steuerbar)": "Asset: Wind (steuerbar)",
"Asset: Biomasse (steuerbar)": "Asset: Biomasse (steuerbar)",
"Asset: Wind (nicht-steuerbar)": "Asset: Wind (nicht-steuerbar)",
"Asset: Wasserkraft (steuerbar)": "Asset: Wasserkraft (steuerbar)",
"Asset: Pumpspeicher (steuerbar)": "Asset: Pumpspeicher (steuerbar)",
"Asset: Biomasse (nicht-steuerbar)": "Asset: Biomasse (nicht-steuerbar)",
"Asset: Wasserkraft (nicht-steuerbar)": "Asset: Wasserkraft (nicht-steuerbar)",
"Asset: Pumpspeicher (nicht-steuerbar)": "Asset: Pumpspeicher (nicht-steuerbar)",
"Asset: Solar (Photovoltaik) (steuerbar)": "Asset: Solar (Photovoltaik) (steuerbar)",
"Asset: Sonstige Speicherart (steuerbar)": "Asset: Sonstige Speicherart (steuerbar)",
"Asset: Solar (Photovoltaik) (nicht-steuerbar)": "Asset: Solar (Photovoltaik) (nicht-steuerbar)",
"Asset: Sonstige Speicherart (nicht-steuerbar)": "Asset: Sonstige Speicherart (nicht-steuerbar)"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"asset_wallbox_controllable": "Asset: Wallbox (steuerbar)",
"asset_ladepark_controllable": "Asset: Ladepark (steuerbar)",
"asset_waermepumpe_controllable": "Asset: W\u00e4rmepumpe (steuerbar)",
"asset_wallbox_not-controllable": "Asset: Wallbox (nicht-steuerbar)",
"asset_heimspeicher_controllable": "Asset: Batteriespeicher (steuerbar)",
"asset_ladepark_not-controllable": "Asset: Ladepark (nicht-steuerbar)",
"asset_direktheizung_controllable": "Asset: Direktheizung (steuerbar)",
"asset_waermepumpe_not-controllable": "Asset: W\u00e4rmepumpe (nicht-steuerbar)",
"asset_heimspeicher_not-controllable": "Asset: Batteriespeicher (nicht-steuerbar)",
"asset_direktheizung_not-controllable": "Asset: Direktheizung (nicht-steuerbar)",
"asset_wasserstoffspeicher_controllable": "Asset: Wasserstoffspeicher (steuerbar)",
"asset_nachtspeicherheizung_controllable": "Asset: Speicherheizung (steuerbar)",
"asset_e-mobilitaetsladesaeule_controllable": "Asset: E-Mobilit\u00e4tslades\u00e4ule (steuerbar)",
"asset_wasserstoffspeicher_not-controllable": "Asset: Wasserstoffspeicher (nicht-steuerbar)",
"asset_nachtspeicherheizung_not-controllable": "Asset: Speicherheizung (nicht-steuerbar)",
"asset_e-mobilitaetsladesaeule_not-controllable": "Asset: E-Mobilit\u00e4tslades\u00e4ule (nicht-steuerbar)"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"Asset: Wallbox (steuerbar)": "Asset: Wallbox (steuerbar)",
"Asset: Ladepark (steuerbar)": "Asset: Ladepark (steuerbar)",
"Asset: W\u00e4rmepumpe (steuerbar)": "Asset: W\u00e4rmepumpe (steuerbar)",
"Asset: Direktheizung (steuerbar)": "Asset: Direktheizung (steuerbar)",
"Asset: Wallbox (nicht-steuerbar)": "Asset: Wallbox (nicht-steuerbar)",
"Asset: Ladepark (nicht-steuerbar)": "Asset: Ladepark (nicht-steuerbar)",
"Asset: Speicherheizung (steuerbar)": "Asset: Speicherheizung (steuerbar)",
"Asset: Batteriespeicher (steuerbar)": "Asset: Batteriespeicher (steuerbar)",
"Asset: W\u00e4rmepumpe (nicht-steuerbar)": "Asset: W\u00e4rmepumpe (nicht-steuerbar)",
"Asset: Direktheizung (nicht-steuerbar)": "Asset: Direktheizung (nicht-steuerbar)",
"Asset: Wasserstoffspeicher (steuerbar)": "Asset: Wasserstoffspeicher (steuerbar)",
"Asset: Speicherheizung (nicht-steuerbar)": "Asset: Speicherheizung (nicht-steuerbar)",
"Asset: Batteriespeicher (nicht-steuerbar)": "Asset: Batteriespeicher (nicht-steuerbar)",
"Asset: E-Mobilit\u00e4tslades\u00e4ule (steuerbar)": "Asset: E-Mobilit\u00e4tslades\u00e4ule (steuerbar)",
"Asset: Wasserstoffspeicher (nicht-steuerbar)": "Asset: Wasserstoffspeicher (nicht-steuerbar)",
"Asset: E-Mobilit\u00e4tslades\u00e4ule (nicht-steuerbar)": "Asset: E-Mobilit\u00e4tslades\u00e4ule (nicht-steuerbar)"
}
}Old
{
"x-enum-descriptions": {}
}9 March 2026
New
{
"enum": [
1000,
500
],
"type": "integer",
"x-spec-enum-id": "71a5eebb8f34df19",
"x-enum-descriptions": {
"500": "500",
"1000": "1000"
}
}Old
{
"x-comment": "Choices for this field are dynamic, once appropriate values have been configured they will be rendered here.",
"x-spec-enum-id": "4f53cda18c2baa0c"
}4 March 2026
No attributes to display
New
[
{
"name": "Validate that additional gas meter details are provided when a supplier switch is not performed",
"description": "Validate that additional gas meter details are provided when a supplier switch is not performed. This includes <code>meter_type</code> and <code>meter_sub_type</code>.",
"possible_errors": [
"missing_required_meter_fields"
]
},
{
"name": "At least one register relevant for billing",
"description": "Validates that at least one register is marked as relevant for billing.",
"possible_errors": [
"no_register_relevant_for_billing"
]
}
]Old
[
{
"name": "Validate that additional gas meter details are provided when a supplier switch is not performed",
"description": "Validate that additional gas meter details are provided when a supplier switch is not performed. This includes <code>meter_type</code> and <code>meter_sub_type</code>.",
"possible_errors": [
"missing_required_meter_fields"
]
}
]
No attributes to display
New
[
{
"name": "Validate that additional electricity meter details are provided when a supplier switch is not performed",
"description": "Validate that additional electricity meter details are provided when a supplier switch is not performed. This includes <code>meter_type</code>, <code>energierichtung</code>, and <code>fernschaltung</code>.",
"possible_errors": [
"missing_required_meter_fields"
]
},
{
"name": "At least one register relevant for billing",
"description": "Validates that at least one register is marked as relevant for billing.",
"possible_errors": [
"no_register_relevant_for_billing"
]
}
]Old
[
{
"name": "Validate that additional electricity meter details are provided when a supplier switch is not performed",
"description": "Validate that additional electricity meter details are provided when a supplier switch is not performed. This includes <code>meter_type</code>, <code>energierichtung</code>, and <code>fernschaltung</code>.",
"possible_errors": [
"missing_required_meter_fields"
]
}
]27 February 2026
New
{
"x-enum-descriptions": {
"SUPPLIER": "Supplier"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"SUPPLIER": "Supplier"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-validators": [
{
"name": "Validate <code>organisation_number</code>",
"description": "Validate that the given <code>organisation_number</code> has a corresponding organisation registered in the database.",
"possible_errors": [
"partner_organisation_does_not_exist"
]
}
]
}26 February 2026
New
{
"x-enum-descriptions": {
"9870099800005": "9870099800005"
}
}Old
{
"x-enum-descriptions": {}
}25 February 2026
New
{
"x-enum-descriptions": {
"9870023800005": "9870023800005"
}
}Old
{
"x-enum-descriptions": {}
}24 February 2026
New
{
"x-enum-descriptions": {
"FLEX_REWARD": "FLEX_REWARD"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"9870032000000": "9870032000000"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"CREATE_AGREEMENT": "CREATE_AGREEMENT"
}
}Old
{
"x-enum-descriptions": {}
}
No attributes to display
23 February 2026
No attributes to display
No attributes to display
19 February 2026
New
[
{
"name": "Validate account type is valid",
"description": "Validate that only one account type is specified in the payload.",
"possible_errors": [
"multiple_account_types_selected"
]
},
{
"name": "Validate billing address fields",
"description": "If a legacy billing address is provided, validate that it is in the correct format.",
"possible_errors": [
"invalid_address"
]
},
{
"name": "Validate customer family name",
"description": "Validate the family name is provided for all customers on a domestic account. For Business accounts, set the family name to 'Business' if it is not provided.",
"possible_errors": [
"customer_family_name_required"
]
},
{
"name": "Validate metadata",
"description": "Validate that metadata, which is a list of key value pairs, does not contain duplicate keys.",
"possible_errors": [
"metadata_has_duplicate_keys"
]
},
{
"name": "Validate managed account type is allowed",
"description": "Validate that this instance of Kraken allows managed account types.",
"possible_errors": [
"managed_accounts_are_not_allowed"
]
},
{
"name": "Validate only portfolio lead has portfolio setting",
"description": "Validates that if portfolio settings are provided, then the account is marked as the portfolio lead.",
"possible_errors": [
"portfolio_settings_included_when_not_lead"
]
},
{
"name": "Validate business type and company number not provided for domestic accounts",
"description": "Validate that neither a business type or company number are provided for domestic accounts.",
"possible_errors": [
"business_fields_provided_for_domestic_accounts"
]
},
{
"name": "Validate no customers for unknown occupier",
"description": "Validate that no customers are provided for an unknown occupier.",
"possible_errors": [
"customer_with_unknown_occupier"
]
},
{
"name": "Validate that a customer given name is provided for business accounts",
"description": "Validate that a given name is provided for all customers on a business account. Note that this validation only applies if Kraken is configured to send registration flows for this import supplier.",
"possible_errors": [
"customer_given_name_required"
]
},
{
"name": "Validate portfolio reference provided correctly",
"description": "Validate that a portfolio reference is provided if portfolio settings have been provided and that a portfolio reference is not provided if the import supplier is set to create new portfolios.",
"possible_errors": [
"portfolio_references_missing",
"portfolio_references_provided"
]
},
{
"name": "Validate billing address style",
"description": "Validate that a legacy billing address (<code>billing_address1</code> etc.) and new-style billing address (<code>billing_address</code> object) are not both provided.",
"possible_errors": [
"billing_address_new_style_and_legacy"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate supply charge line items covered by a single agreement",
"description": "Validate each supply charge has a single agreement with matching product code that covers the period defined by it's line items minimum <code>start_date</code> to maximum <code>end_date</code>.",
"possible_errors": [
"supply_charge_line_items_not_covered_by_single_agreement"
]
},
{
"name": "Validate that Kraken can calculate when to start billing the account",
"description": "Validate that Kraken can calculate when to start billing the account. This is determined based on the existence of last billed to date, last statement closing date, and agreements.",
"possible_errors": [
"cannot_determine_responsible_for_billing_from_date"
]
},
{
"name": "Validate historical statement period end must not be in the future",
"description": "Ensures that the historical statement period end date (last_statement_closing_date or latest transaction_date) is not set in the future.",
"possible_errors": [
"historical_statement_period_end_in_future"
]
},
{
"name": "Validate that terms with supply type matches a supply point supply type",
"description": "Validate that for terms containing a <code>supply_type</code> field that there is a supply point in the payload with a matching <code>supply_type</code>.",
"possible_errors": [
"term_supply_type_mismatch"
]
},
{
"name": "Validate that supply addresses and supply points are provided if account contracts are provided",
"description": "Validate that if <code>account_contracts</code> have been provided that a supply address with supply points has been provided under <code>supply_addresses</code>",
"possible_errors": [
"account_contracts_without_supply_points"
]
},
{
"name": "Validate historical statement billing document identifier presence",
"description": "Ensure that billing document identifiers are only provided for historical statement transactions and only when the relevant feature flag is enabled.",
"possible_errors": [
"historical_statement_billing_document_identifier_missing",
"historical_statement_billing_document_identifier_not_allowed_when_feature_flag_disabled"
]
},
{
"name": "Validate current statement transactions do not provide <code>billing_document_identifier</code>",
"description": "Validate that none of the current statement transactions include a <code>billing_document_identifier</code>, as this field is only applicable to historical statement transactions.",
"possible_errors": [
"billing_document_identifier_not_allowed_for_current_statement_transactions"
]
},
{
"name": "Validate historical statement transaction billing document identifier",
"description": "Ensure that the billing document identifier is the same for all historical statement transactions.",
"possible_errors": [
"historical_statement_billing_document_identifier_mismatch"
]
},
{
"name": "Validate that contract terms' product codes are part of supply agreements",
"description": "Ensure that any contract terms with product references have corresponding products in supply addresses.",
"possible_errors": [
"contract_term_product_code_not_in_agreements"
]
},
{
"name": "Validate that business is provided if enforcing business contracts",
"description": "Validate that the business field is provided if <code>enforce_business_contracts_exist</code> is set to True on the import supplier configuration.",
"possible_errors": [
"business_field_required"
]
},
{
"name": "Validate that the sum of ledger balances equals the transfer balance",
"description": "Validate that the sum of all <code>ledger_balance</code> provided for each ledger in <code>ledgers</code> equals the account-level <code>transfer_balance</code>.",
"possible_errors": [
"ledger_balances_not_equal_to_transfer_balance"
]
},
{
"name": "Validate business user info against customer info",
"description": "Validates that business user information matches the corresponding customer information for basic fields.",
"possible_errors": [
"customer_details_and_user_details_both_provided"
]
},
{
"name": "Validate payment preference <code>ledger_identifier</code>",
"description": "Ensure that the <code>ledger_identifier</code> provided has an equivalent <code>ledger</code> object with the same <code>ledger_identifier</code> .",
"possible_errors": [
"invalid_payment_preference_ledger_identifier"
]
},
{
"name": "Validate that referenced ledgers are unique in payment preferences",
"description": "Ensure that each ledger is referenced in at most one payment preference.",
"possible_errors": [
"duplicate_ledger_in_payment_preferences"
]
},
{
"name": "Validate that valid instruction_identifier provided for <code>ACTIVE_NEW</code> payment preference",
"description": "Ensure that <code>ACTIVE_NEW</code> payment preference has instruction_identifier from </code>payment_instructions</code> object.",
"possible_errors": [
"active_new_payment_preference_invalid_instruction_identifier"
]
},
{
"name": "Validate that the transactions for a voucher do not exceed its value",
"description": "Validate that the sum of all transaction values for a voucher is not greater than the value of the voucher.",
"possible_errors": [
"voucher_transactions_sum_greater_than_voucher_value"
]
},
{
"name": "Validate that each voucher charge transaction id has a matching transaction id within a transaction of type CHARGE",
"description": "Validate that each <code>voucher</code> <code>charge_transaction_id</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CHARGE in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_charge_transaction_id_not_found"
]
},
{
"name": "Validate that each voucher redemption credit transaction id has a matching transaction id within a transaction of type CREDIT",
"description": "Validate that every <code>credit_transaction_id</code> in all <code>voucher_redemptions</code> in every <code>voucher</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CREDIT in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_redemption_credit_transaction_id_not_found"
]
},
{
"name": "Validate ledger identifiers are known",
"description": "Validate ledger identifiers are among supply point identifiers.",
"possible_errors": [
"unknown_ledger_identifiers"
]
},
{
"name": "Validate identifiers are unique in ledgers",
"description": "Validate identifier is not declared twice in ledgers.",
"possible_errors": [
"duplicate_identifiers_entries_found"
]
},
{
"name": "Validate agreements cover last statement closing date",
"description": "Validate that there is an agreement for each supply point covering each ledger's <code>last_statement_closing_date</code>.",
"possible_errors": [
"no_agreement_covering_last_statement_closing_date"
]
},
{
"name": "Validate no unbilled period on former supply addresses",
"description": "Validate that if a customer is no longer at the given supply address they have been fully billed. This check is performed if we are importing supply address history.",
"possible_errors": [
"unbilled_former_supply_address"
]
},
{
"name": "Validate agreements are consecutive per supply point",
"description": "Validate that the agreements provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for agreements provided before the current supply period for the supply point. Agreements provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate that corresponding supply type exists for the account reference",
"description": "Validate that, if a value is provided for an electricity or gas account reference namespace, a supply point of the corresponding supply type also exists.",
"possible_errors": [
"reference_for_invalid_supply_type"
]
},
{
"name": "Validate that sales channel and references must either both or neither be of type <code>PRICE_COMPARISON</code>",
"description": "Validate that if a price comparison reference is provided, the sales channel must be <code>PRICE_COMPARISON</code>, and vice versa.",
"possible_errors": [
"invalid_sales_channel_reference_combination"
]
},
{
"name": "Validate that billing data is complete",
"description": "Validate that if one required billing field is provided, the rest must also be provided. This means that if one of <code>last_statement_closing_date</code>, <code>last_statement_balance</code> (both on the relevant <code>ledger</code> object), <code>statements</code> or <code>transfer_readings</code> is provided, the rest must also be provided.",
"possible_errors": [
"incomplete_billing_data"
]
},
{
"name": "Validate that the given MaLo is not on supply currently or in the future",
"description": "Validate that the given MaLo is not on supply currently or in the future. A MaLo that is on supply could either belong to a non-migrated or a migrated account.",
"possible_errors": [
"duplicate_mpxn_on_supply",
"duplicate_mpxn_on_supply_in_the_future"
]
},
{
"name": "Validate that every supply point identifier is included in a ledger identifiers field",
"description": "Validate that every <code>supply_point</code> <code>identifier</code> is included in a <code>ledger</code> <code>identifiers</code> list. This is needed so that the supply point can be linked to the correct ledger information.",
"possible_errors": [
"identifier_missing_from_ledger_identifiers"
]
}
]Old
[
{
"name": "Validate account type is valid",
"description": "Validate that only one account type is specified in the payload.",
"possible_errors": [
"multiple_account_types_selected"
]
},
{
"name": "Validate billing address fields",
"description": "If a legacy billing address is provided, validate that it is in the correct format.",
"possible_errors": [
"invalid_address"
]
},
{
"name": "Validate customer family name",
"description": "Validate the family name is provided for all customers on a domestic account. For Business accounts, set the family name to 'Business' if it is not provided.",
"possible_errors": [
"customer_family_name_required"
]
},
{
"name": "Validate metadata",
"description": "Validate that metadata, which is a list of key value pairs, does not contain duplicate keys.",
"possible_errors": [
"metadata_has_duplicate_keys"
]
},
{
"name": "Validate managed account type is allowed",
"description": "Validate that this instance of Kraken allows managed account types.",
"possible_errors": [
"managed_accounts_are_not_allowed"
]
},
{
"name": "Validate only portfolio lead has portfolio setting",
"description": "Validates that if portfolio settings are provided, then the account is marked as the portfolio lead.",
"possible_errors": [
"portfolio_settings_included_when_not_lead"
]
},
{
"name": "Validate business type and company number not provided for domestic accounts",
"description": "Validate that neither a business type or company number are provided for domestic accounts.",
"possible_errors": [
"business_fields_provided_for_domestic_accounts"
]
},
{
"name": "Validate no customers for unknown occupier",
"description": "Validate that no customers are provided for an unknown occupier.",
"possible_errors": [
"customer_with_unknown_occupier"
]
},
{
"name": "Validate that a customer given name is provided for business accounts",
"description": "Validate that a given name is provided for all customers on a business account. Note that this validation only applies if Kraken is configured to send registration flows for this import supplier.",
"possible_errors": [
"customer_given_name_required"
]
},
{
"name": "Validate portfolio reference provided correctly",
"description": "Validate that a portfolio reference is provided if portfolio settings have been provided and that a portfolio reference is not provided if the import supplier is set to create new portfolios.",
"possible_errors": [
"portfolio_references_missing",
"portfolio_references_provided"
]
},
{
"name": "Validate billing address style",
"description": "Validate that a legacy billing address (<code>billing_address1</code> etc.) and new-style billing address (<code>billing_address</code> object) are not both provided.",
"possible_errors": [
"billing_address_new_style_and_legacy"
]
},
{
"name": "Validate contracts are consecutive per supply point",
"description": "Validate that the contracts provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for contracts provided before the current supply period for the supply point. Contracts provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate supply charge line items covered by a single agreement",
"description": "Validate each supply charge has a single agreement with matching product code that covers the period defined by it's line items minimum <code>start_date</code> to maximum <code>end_date</code>.",
"possible_errors": [
"supply_charge_line_items_not_covered_by_single_agreement"
]
},
{
"name": "Validate that Kraken can calculate when to start billing the account",
"description": "Validate that Kraken can calculate when to start billing the account. This is determined based on the existence of last billed to date, last statement closing date, and agreements.",
"possible_errors": [
"cannot_determine_responsible_for_billing_from_date"
]
},
{
"name": "Validate historical statement period end must not be in the future",
"description": "Ensures that the historical statement period end date (last_statement_closing_date or latest transaction_date) is not set in the future.",
"possible_errors": [
"historical_statement_period_end_in_future"
]
},
{
"name": "Validate that terms with supply type matches a supply point supply type",
"description": "Validate that for terms containing a <code>supply_type</code> field that there is a supply point in the payload with a matching <code>supply_type</code>.",
"possible_errors": [
"term_supply_type_mismatch"
]
},
{
"name": "Validate that supply addresses and supply points are provided if account contracts are provided",
"description": "Validate that if <code>account_contracts</code> have been provided that a supply address with supply points has been provided under <code>supply_addresses</code>",
"possible_errors": [
"account_contracts_without_supply_points"
]
},
{
"name": "Validate historical statement billing document identifier presence",
"description": "Ensure that billing document identifiers are only provided for historical statement transactions and only when the relevant feature flag is enabled.",
"possible_errors": [
"historical_statement_billing_document_identifier_missing",
"historical_statement_billing_document_identifier_not_allowed_when_feature_flag_disabled"
]
},
{
"name": "Validate current statement transactions do not provide <code>billing_document_identifier</code>",
"description": "Validate that none of the current statement transactions include a <code>billing_document_identifier</code>, as this field is only applicable to historical statement transactions.",
"possible_errors": [
"billing_document_identifier_not_allowed_for_current_statement_transactions"
]
},
{
"name": "Validate historical statement transaction billing document identifier",
"description": "Ensure that the billing document identifier is the same for all historical statement transactions.",
"possible_errors": [
"historical_statement_billing_document_identifier_mismatch"
]
},
{
"name": "Validate that contract terms' product codes are part of supply agreements",
"description": "Ensure that any contract terms with product references have corresponding products in supply addresses.",
"possible_errors": [
"contract_term_product_code_not_in_agreements"
]
},
{
"name": "Validate that business is provided if enforcing business contracts",
"description": "Validate that the business field is provided if <code>enforce_business_contracts_exist</code> is set to True on the import supplier configuration.",
"possible_errors": [
"business_field_required"
]
},
{
"name": "Validate that the sum of ledger balances equals the transfer balance",
"description": "Validate that the sum of all <code>ledger_balance</code> provided for each ledger in <code>ledgers</code> equals the account-level <code>transfer_balance</code>.",
"possible_errors": [
"ledger_balances_not_equal_to_transfer_balance"
]
},
{
"name": "Validate business user info against customer info",
"description": "Validates that business user information matches the corresponding customer information for basic fields.",
"possible_errors": [
"customer_details_and_user_details_both_provided"
]
},
{
"name": "Validate payment preference <code>ledger_identifier</code>",
"description": "Ensure that the <code>ledger_identifier</code> provided has an equivalent <code>ledger</code> object with the same <code>ledger_identifier</code> .",
"possible_errors": [
"invalid_payment_preference_ledger_identifier"
]
},
{
"name": "Validate that referenced ledgers are unique in payment preferences",
"description": "Ensure that each ledger is referenced in at most one payment preference.",
"possible_errors": [
"duplicate_ledger_in_payment_preferences"
]
},
{
"name": "Validate that valid instruction_identifier provided for <code>ACTIVE_NEW</code> payment preference",
"description": "Ensure that <code>ACTIVE_NEW</code> payment preference has instruction_identifier from </code>payment_instructions</code> object.",
"possible_errors": [
"active_new_payment_preference_invalid_instruction_identifier"
]
},
{
"name": "Validate that the transactions for a voucher do not exceed its value",
"description": "Validate that the sum of all transaction values for a voucher is not greater than the value of the voucher.",
"possible_errors": [
"voucher_transactions_sum_greater_than_voucher_value"
]
},
{
"name": "Validate that each voucher charge transaction id has a matching transaction id within a transaction of type CHARGE",
"description": "Validate that each <code>voucher</code> <code>charge_transaction_id</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CHARGE in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_charge_transaction_id_not_found"
]
},
{
"name": "Validate that each voucher redemption credit transaction id has a matching transaction id within a transaction of type CREDIT",
"description": "Validate that every <code>credit_transaction_id</code> in all <code>voucher_redemptions</code> in every <code>voucher</code> has a matching <code>transaction_id</code> within a transaction of <code>type</code> CREDIT in <code>current_statement_transactions</code>, <code>historical_statement_transactions</code> or <code>historical_billing_documents</code>.",
"possible_errors": [
"voucher_redemption_credit_transaction_id_not_found"
]
},
{
"name": "Validate ledger identifiers are known",
"description": "Validate ledger identifiers are among supply point identifiers.",
"possible_errors": [
"unknown_ledger_identifiers"
]
},
{
"name": "Validate identifiers are unique in ledgers",
"description": "Validate identifier is not declared twice in ledgers.",
"possible_errors": [
"duplicate_identifiers_entries_found"
]
},
{
"name": "Validate agreements cover last statement closing date",
"description": "Validate that there is an agreement for each supply point covering each ledger's <code>last_statement_closing_date</code>.",
"possible_errors": [
"no_agreement_covering_last_statement_closing_date"
]
},
{
"name": "Validate no unbilled period on former supply addresses",
"description": "Validate that if a customer is no longer at the given supply address they have been fully billed. This check is performed if we are importing supply address history.",
"possible_errors": [
"unbilled_former_supply_address"
]
},
{
"name": "Validate contracts are consecutive per supply point",
"description": "Validate that the contracts provided in the payload are consecutive per supply point i.e. there are no gaps or overlaps. The exception to this is for contracts provided before the current supply period for the supply point. Contracts provided before the <code>supply_start_date</code> are allowed gaps since they represent historic periods of supply and cannot be used for billing in Kraken.",
"possible_errors": [
"gaps_or_overlaps_in_agreement_dates"
]
},
{
"name": "Validate that corresponding supply type exists for the account reference",
"description": "Validate that, if a value is provided for an electricity or gas account reference namespace, a supply point of the corresponding supply type also exists.",
"possible_errors": [
"reference_for_invalid_supply_type"
]
},
{
"name": "Validate that sales channel and references must either both or neither be of type <code>PRICE_COMPARISON</code>",
"description": "Validate that if a price comparison reference is provided, the sales channel must be <code>PRICE_COMPARISON</code>, and vice versa.",
"possible_errors": [
"invalid_sales_channel_reference_combination"
]
},
{
"name": "Validate that billing data is complete",
"description": "Validate that if one required billing field is provided, the rest must also be provided. This means that if one of <code>last_statement_closing_date</code>, <code>last_statement_balance</code> (both on the relevant <code>ledger</code> object), <code>statements</code> or <code>transfer_readings</code> is provided, the rest must also be provided.",
"possible_errors": [
"incomplete_billing_data"
]
},
{
"name": "Validate that the given MaLo is not on supply currently or in the future",
"description": "Validate that the given MaLo is not on supply currently or in the future. A MaLo that is on supply could either belong to a non-migrated or a migrated account.",
"possible_errors": [
"duplicate_mpxn_on_supply",
"duplicate_mpxn_on_supply_in_the_future"
]
},
{
"name": "Validate that every supply point identifier is included in a ledger identifiers field",
"description": "Validate that every <code>supply_point</code> <code>identifier</code> is included in a <code>ledger</code> <code>identifiers</code> list. This is needed so that the supply point can be linked to the correct ledger information.",
"possible_errors": [
"identifier_missing_from_ledger_identifiers"
]
}
]New
{
"x-enum-descriptions": {
"tiefseetueftler": "TiefseeTueftler"
}
}Old
{
"x-enum-descriptions": {}
}New
{
"x-enum-descriptions": {
"TiefseeTueftler": "TiefseeTueftler"
}
}Old
{
"x-enum-descriptions": {}
}18 February 2026
New
{
"x-validators": [
{
"name": "Validate line item periods",
"description": "Validate that no line items overlap (checked per supply point, product, and rate band combination) or have gaps (checked per supply point only) in supply charge transactions.",
"possible_errors": [
"gaps_or_overlaps_in_periods"
]
}
]
}Old
{
"x-validators": [
{
"name": "Validate line item periods",
"description": "Validate that no line items overlap (checked per supply point, product, and rate band combination) or have gaps (checked per supply point only) in supply charge transactions.",
"possible_errors": [
"zero_length_periods",
"gaps_or_overlaps_in_periods"
]
}
]
}New
{
"x-validators": [
{
"name": "Validate line item periods",
"description": "Validate that no line items overlap (checked per supply point, product, and rate band combination) or have gaps (checked per supply point only) in supply charge transactions.",
"possible_errors": [
"gaps_or_overlaps_in_periods"
]
}
]
}Old
{
"x-validators": [
{
"name": "Validate line item periods",
"description": "Validate that no line items overlap (checked per supply point, product, and rate band combination) or have gaps (checked per supply point only) in supply charge transactions.",
"possible_errors": [
"zero_length_periods",
"gaps_or_overlaps_in_periods"
]
}
]
}