generated: '2026-07-23'
method: derived
source: >-
  OpenAPI $ref graph + id-reference fields (ConsentId, AccountId) across
  openapi/obie-account-info-openapi.yaml, openapi/obie-payment-initiation-openapi.yaml,
  openapi/obie-confirmation-funds-openapi.yaml
note: >-
  Entity-relationship graph derived from the OBIE Read/Write message set as implemented
  by Coventry Building Society. Consent resources are the root of every access path:
  a TPP creates a consent, the PSU authorises it via SCA, and downstream resources are
  read/created against that consent.
entities:
  - name: AccountAccessConsent
    api: AIS
    key: ConsentId
    description: Authorisation grant scoping which account data a TPP may read.
  - name: Account
    api: AIS
    key: AccountId
    description: A PSU account exposed under an authorised account-access consent.
  - name: Balance
    api: AIS
    description: Balance snapshot for an account.
  - name: Transaction
    api: AIS
    description: Booked/pending transaction for an account.
  - name: Beneficiary
    api: AIS
  - name: DirectDebit
    api: AIS
  - name: StandingOrder
    api: AIS
  - name: Product
    api: AIS
  - name: Party
    api: AIS
  - name: Offer
    api: AIS
  - name: Statement
    api: AIS
  - name: DomesticPaymentConsent
    api: PIS
    key: ConsentId
    description: Authorisation for a single domestic payment instruction.
  - name: DomesticPayment
    api: PIS
    key: DomesticPaymentId
    description: Executed domestic payment created against an authorised consent.
  - name: DomesticScheduledPaymentConsent
    api: PIS
  - name: DomesticScheduledPayment
    api: PIS
  - name: DomesticStandingOrderConsent
    api: PIS
  - name: DomesticStandingOrder
    api: PIS
  - name: FilePaymentConsent
    api: PIS
  - name: FilePayment
    api: PIS
  - name: FundsConfirmationConsent
    api: CBPII
    key: ConsentId
    description: Consent permitting a CBPII to check funds availability on an account.
  - name: FundsConfirmation
    api: CBPII
    description: A single confirmation-of-funds check against an authorised consent.
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: DomesticPayment
    type: belongs_to
    to: DomesticPaymentConsent
    via: ConsentId
  - from: DomesticScheduledPayment
    type: belongs_to
    to: DomesticScheduledPaymentConsent
    via: ConsentId
  - from: DomesticStandingOrder
    type: belongs_to
    to: DomesticStandingOrderConsent
    via: ConsentId
  - from: FilePayment
    type: belongs_to
    to: FilePaymentConsent
    via: ConsentId
  - from: FundsConfirmation
    type: belongs_to
    to: FundsConfirmationConsent
    via: ConsentId