The ledgers associated to a prepayment meter. There are three types: a credit ledger for mirroring the meter's credit balance, a debt ledger for mirroring the meter's debt balance and payment ledger which is the inflight payments that we have not yet managed to resolve on the other two ledgers.

Possible Errors

KT-CT-1111: Unauthorized.
KT-CT-1113: Disabled GraphQL field requested.
KT-CT-7899: An internal error occurred.
KT-GB-6212: Meter does not exist.

Allowed Viewers

Customer

Partner User

Third party

Query Complexity

Examples

The example data in the variables and responses below are autogenerated values designed to resemble real inputs. They do not represent actual customer data, and in some cases may require additional validation.

Query

query ElectricityPrepayLedgers(
  $accountNumber: String!,
  $mpan: String!,
  $serialNumber: String!
) {
  electricityPrepayLedgers(
    accountNumber: $accountNumber,
    mpan: $mpan,
    serialNumber: $serialNumber
  ) {
    creditLedger {
      ...SupplementaryLedgerTypeFragment
    }
    debtLedger {
      ...SupplementaryLedgerTypeFragment
    }
    paymentLedger {
      ...PrepayPaymentLedgerTypeFragment
    }
  }
}

Variables

{
  "accountNumber": "A-848F5F10",
  "mpan": "career-necessary-bit-always-available",
  "serialNumber": "term-small-stock-game-past"
}

Response

{
  "data": {
    "electricityPrepayLedgers": {
      "creditLedger": SupplementaryLedgerType,
      "debtLedger": SupplementaryLedgerType,
      "paymentLedger": PrepayPaymentLedgerType
    }
  }
}