generated: '2026-07-23'
method: derived
source: openapi/uk-open-banking-account-info-api-openapi.yaml, openapi/uk-open-banking-payment-initiation-api-openapi.yaml, openapi/uk-open-banking-confirmation-of-funds-api-openapi.yaml, openapi/uk-open-banking-open-data-api-openapi.json
note: >-
  Entity-relationship graph derived from the shared OBIE UK Open Banking standard
  specs in this repo (consent-then-resource pattern). UNVERIFIED for GB Bank -
  models the standard, not a GB Bank deployment.
entities:
  # ---- Account & Transaction Information (AIS) ----
  - name: AccountAccessConsent
    domain: account-information
    key: ConsentId
    description: PSU consent authorising a TPP to read specified account data.
  - name: Account
    domain: account-information
    key: AccountId
    description: A payment account the PSU has consented to share.
  - name: Balance
    domain: account-information
    description: Balance snapshot for an account.
  - name: Transaction
    domain: account-information
    description: Booked/pending transaction on an account.
  - name: Beneficiary
    domain: account-information
  - name: DirectDebit
    domain: account-information
  - name: StandingOrder
    domain: account-information
  - name: ScheduledPayment
    domain: account-information
  - name: Statement
    domain: account-information
    key: StatementId
  - name: Party
    domain: account-information
    description: Account holder / related party.
  # ---- Payment Initiation (PIS) ----
  - name: DomesticPaymentConsent
    domain: payment-initiation
    key: ConsentId
  - name: DomesticPayment
    domain: payment-initiation
    key: DomesticPaymentId
  - name: InternationalPaymentConsent
    domain: payment-initiation
    key: ConsentId
  - name: InternationalPayment
    domain: payment-initiation
    key: InternationalPaymentId
  - name: FilePaymentConsent
    domain: payment-initiation
    key: ConsentId
  - name: FilePayment
    domain: payment-initiation
    key: FilePaymentId
  # ---- Confirmation of Funds (CBPII) ----
  - name: FundsConfirmationConsent
    domain: confirmation-of-funds
    key: ConsentId
  - name: FundsConfirmation
    domain: confirmation-of-funds
  # ---- Open Data (unauthenticated reference data) ----
  - name: Branch
    domain: open-data
  - name: ATM
    domain: open-data
  - name: PCA
    domain: open-data
    description: Personal Current Account product.
  - name: BCA
    domain: open-data
    description: Business Current Account product.
  - name: SMELoan
    domain: open-data
    description: Unsecured SME Loan product.
  - name: CommercialCreditCard
    domain: open-data
relationships:
  - from: Account
    type: belongs_to
    to: AccountAccessConsent
    via: ConsentId
  - from: Balance
    type: belongs_to
    to: Account
    via: AccountId
  - from: Transaction
    type: belongs_to
    to: Account
    via: AccountId
  - from: Beneficiary
    type: belongs_to
    to: Account
    via: AccountId
  - from: DirectDebit
    type: belongs_to
    to: Account
    via: AccountId
  - from: StandingOrder
    type: belongs_to
    to: Account
    via: AccountId
  - from: Statement
    type: belongs_to
    to: Account
    via: AccountId
  - from: Party
    type: belongs_to
    to: Account
    via: AccountId
  - from: DomesticPayment
    type: belongs_to
    to: DomesticPaymentConsent
    via: ConsentId
  - from: InternationalPayment
    type: belongs_to
    to: InternationalPaymentConsent
    via: ConsentId
  - from: FilePayment
    type: belongs_to
    to: FilePaymentConsent
    via: ConsentId
  - from: FundsConfirmation
    type: belongs_to
    to: FundsConfirmationConsent
    via: ConsentId