generated: '2026-07-23'
method: derived
source: openapi/triodos-bank-uk-xs2a-openapi.json
standard: Berlin Group NextGenPSD2 XS2A data model
entities:
- name: Account
  schema: Xs2aAccount
  key: account-id (resourceId / IBAN)
  description: A PSU payment or savings account (Xs2aAccountResponse / Xs2aAccountsResponse).
- name: Balance
  schema: Xs2aBalance
  description: Balance information for an account (Xs2aBalancesResponse).
- name: Transaction
  schema: Xs2aTransaction
  key: transactionId
  description: A booked/pending transaction on an account (Xs2aTransactionsResponse); paged via edge token.
- name: Consent
  schema: Xs2aConsentRequest
  key: consentId (resource-id)
  description: An AIS access consent covering listed accounts (Xs2aAccess).
- name: ConfirmationOfFundsConsent
  schema: Xs2aConfirmationOfFundsConsentRequest
  key: consentId (resource-id)
  description: A CBPII/PIIS consent authorising funds-availability checks.
- name: Payment
  schema: Xs2aPaymentRequestResponse
  key: paymentId (resource-id)
  description: A payment initiation (SEPA, cross-border, UK domestic, bulk, periodic).
- name: Authorisation
  schema: Xs2aAuthorisationRequestResponse
  key: authorisation-id
  description: An SCA authorisation sub-resource of a payment or consent.
- name: ConfirmationOfFunds
  schema: Xs2aConfirmationOfFundsRequest
  description: A funds-availability request/response (Xs2aConfirmationOfFundsResponse).
- name: InitialAccessToken
  schema: Xs2aInitialAccessTokenResponse
  description: Onboarding token issued after validating the TPP eIDAS certificate.
relationships:
- {from: Account, type: has_many, to: Balance, via: account-id}
- {from: Account, type: has_many, to: Transaction, via: account-id}
- {from: Consent, type: has_many, to: Account, via: access (Xs2aAccess account references)}
- {from: Consent, type: has_many, to: Authorisation, via: consentId}
- {from: ConfirmationOfFundsConsent, type: has_many, to: Authorisation, via: consentId}
- {from: Payment, type: has_many, to: Authorisation, via: paymentId}
- {from: Payment, type: belongs_to, to: Account, via: debtorAccount (Xs2aAccountReference)}
- {from: Transaction, type: belongs_to, to: Account, via: account-id}
- {from: ConfirmationOfFunds, type: belongs_to, to: Account, via: account (Xs2aAccountReference)}
id_prefixes:
  scopes: 'AIS:<consentId>, PIS:<paymentId>, PIIS:<consentId>'
  note: resource ids are UUIDs; scope binds an access token to one consent or payment resource.