Tandem Bank
Tandem Bank Account and Transaction Information API (AIS)

Tandem Bank's Open Banking Account Information Service (AIS) exposing account, balance, transaction, and product data for its credit card and savings products. Delivered through Tandem's PSD2 dedicated interface (provided by Token), conformant to the OBIE Read/Write Account and Transaction API Standard. FAPI-secured (OAuth2/OIDC, mutual-TLS, PSD2 SCA); production base URL is issued per authorised TPP during Token onboarding and is not publicly published. The attached OpenAPI is the shared OBIE standard specification, not a Tandem-proprietary contract.
Documentation GitHub OpenAPI
OpenAPI Specification

openapi: 3.0.0
info:
  title: Account and Transaction API Specification
  description: |
    Swagger for Account and Transaction API Specification.
    
    **Please Note**: There are no optional fields, if a field is not marked as “Required” it is a Conditional field.
  termsOfService: https://www.openbanking.org.uk/terms
  contact:
    name: Service Desk
    email: ServiceDesk@openbanking.org.uk
  license:
    name: open-licence
    url: https://www.openbanking.org.uk/open-licence
  version: 4.0.1
paths:
  /account-access-consents:
    post:
      tags:
        - Account Access Consents
      summary: Create an Account Access Consent
      description: Enables an AISP to ask an ASPSP to create a new account-access-consent resource, by sending a copy of the consent to the ASPSP.
      operationId: CreateAccountAccessConsents
      parameters:
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      requestBody:
        content:
          application/json; charset=utf-8:
            schema:
              $ref: '#/components/schemas/OBReadConsent1'
          application/json:
            schema:
              $ref: '#/components/schemas/OBReadConsent1'
          application/jose+jwe:
            schema:
              $ref: '#/components/schemas/OBReadConsent1'
        description: Default
        required: true
      responses:
        '201':
          $ref: '#/components/responses/201AccountAccessConsentsCreated'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '415':
          $ref: '#/components/responses/415Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - TPPOAuth2Security:
            - accounts
  /account-access-consents/{ConsentId}:
    get:
      tags:
        - Account Access Consents
      summary: Get an Account Access Consent
      description: Enables an AISP to retrieve the status of an AIS consent.
      operationId: GetAccountAccessConsentsConsentId
      parameters:
        - $ref: '#/components/parameters/ConsentId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountAccessConsentsConsentIdRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - TPPOAuth2Security:
            - accounts
    delete:
      tags:
        - Account Access Consents
      summary: Delete an Account Access Consent
      description: Enables an AISP to inform the ASPSP that the PSU has revoked their consent.
      operationId: DeleteAccountAccessConsentsConsentId
      parameters:
        - $ref: '#/components/parameters/ConsentId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '204':
          $ref: '#/components/responses/204AccountAccessConsentsConsentIdDeleted'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - TPPOAuth2Security:
            - accounts
  /accounts:
    get:
      tags:
        - Accounts
      summary: Get Accounts
      description: Enables an AISP to retrieve a list of a PSU's accounts and information about those account(s) that the PSU has consented to.
      operationId: GetAccounts
      parameters:
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}:
    get:
      tags:
        - Accounts
      summary: Get an Account by AccountId
      description: Enables an AISP to retrieve information about a specific PSU account.
      operationId: GetAccountsAccountId
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/balances:
    get:
      tags:
        - Balances
      summary: Get Balances for an AccountId
      description: Enables an AISP to retrieve account balance information for a specific PSU account.
      operationId: GetAccountsAccountIdBalances
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdBalancesRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/beneficiaries:
    get:
      tags:
        - Beneficiaries
      summary: Get Beneficiaries for an AccountId
      description: Enables an AISP to retrieve Beneficiary information for a specific PSU account. 
      operationId: GetAccountsAccountIdBeneficiaries
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdBeneficiariesRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/direct-debits:
    get:
      tags:
        - Direct Debits
      summary: Get Direct Debits for an AccountId
      description: Enables an AISP to retrieve Direct Debit information for a specific PSU account. 
      operationId: GetAccountsAccountIdDirectDebits
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdDirectDebitsRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/offers:
    get:
      tags:
        - Offers
      summary: Get Offers for an AccountId
      description: Enables an AISP to retrieve any offer information for a specific PSU account. 
      operationId: GetAccountsAccountIdOffers
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdOffersRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/parties:
    get:
      tags:
        - Parties
      summary: Get Parties for an AccountId
      description: Enables an AISP to retrieve details about the PSU account-holder(s)/operator(s).
      operationId: GetAccountsAccountIdParties
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdPartiesRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/party:
    get:
      tags:
        - Parties
      summary: Get Party for an AccountId
      description: Enables an AISP to retrieve details about the party that gave permission to the AISP to view a specific PSU account.
      operationId: GetAccountsAccountIdParty
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdPartyRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/product:
    get:
      tags:
        - Products
      summary: Get Product for an AccountId
      description: Enables an AISP to retrieve the account product information for a specific PSU account. 
      operationId: GetAccountsAccountIdProduct
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdProductRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/scheduled-payments:
    get:
      tags:
        - Scheduled Payments
      summary: Get Scheduled Payments for an AccountId
      description: Enables an AISP to retrieve Scheduled Payment information for a specific PSU account. 
      operationId: GetAccountsAccountIdScheduledPayments
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdScheduledPaymentsRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/standing-orders:
    get:
      tags:
        - Standing Orders
      summary: Get Standing Orders for an AccountId
      description: Enables an AISP to retrieve Standing Order information for a specific PSU account. 
      operationId: GetAccountsAccountIdStandingOrders
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdStandingOrdersRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/statements:
    get:
      tags:
        - Statements
      summary: Get Statements for an AccountId
      description: Enables an AISP to retrieve statement information for a specific PSU account.
      operationId: GetAccountsAccountIdStatements
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/FromStatementDateTimeParam'
        - $ref: '#/components/parameters/ToStatementDateTimeParam'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdStatementsRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/statements/{StatementId}:
    get:
      tags:
        - Statements
      summary: Get Statement by StatementId for an AccountId
      description: Enables an AISP to retrieve the statement information resource for a specific statement.
      operationId: GetAccountsAccountIdStatementsStatementId
      parameters:
        - $ref: '#/components/parameters/StatementId'
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdStatementsStatementIdRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/statements/{StatementId}/file:
    get:
      tags:
        - Statements
      summary: Get Statement file by StatementId for an AccountId
      description: Enables an AISP to retrieve a non-json representation of a specific statement.
      operationId: GetAccountsAccountIdStatementsStatementIdFile
      parameters:
        - $ref: '#/components/parameters/StatementId'
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: >-
            #/components/responses/200AccountsAccountIdStatementsStatementIdFileRead
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/statements/{StatementId}/transactions:
    get:
      tags:
        - Statements
      summary: Get Statement Transactions for an AccountId
      description: Enables an AISP to retrieve transactions that appear on a selected statement for a specific PSU account.
      operationId: GetAccountsAccountIdStatementsStatementIdTransactions
      parameters:
        - $ref: '#/components/parameters/StatementId'
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: >-
            #/components/responses/200AccountsAccountIdStatementsStatementIdTransactionsRead
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /accounts/{AccountId}/transactions:
    get:
      tags:
        - Transactions
      summary: Get Transactions for an AccountId
      description: Enables an AISP to retrieve transaction information for a specific PSU account.
      operationId: GetAccountsAccountIdTransactions
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/FromBookingDateTimeParam'
        - $ref: '#/components/parameters/ToBookingDateTimeParam'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdTransactionsRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /balances:
    get:
      tags:
        - Balances
      summary: Get Balances
      description: Enables an AISP to retrieve balance information for account(s) that the PSU has consented to. 
      operationId: GetBalances
      parameters:
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200BalancesRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /beneficiaries:
    get:
      tags:
        - Beneficiaries
      summary: Get Beneficiaries
      description: Enables an AISP to retrieve Beneficiary information for account(s) that the PSU has consented to. 
      operationId: GetBeneficiaries
      parameters:
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200BeneficiariesRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /direct-debits:
    get:
      tags:
        - Direct Debits
      summary: Get Direct Debits
      description: Enables an AISP to retrieve Direct Debit information for account(s) that the PSU has consented to. 
      operationId: GetDirectDebits
      parameters:
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200DirectDebitsRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
        - PSUOAuth2Security:
            - accounts
  /offers:
    get:
      tags:
        - Offers
      summary: Get Offers
      description: Enables an AISP to retrieve any offer information for account(s) that the PSU has consented to. 
      operationId: GetOffers
      parameters:
        - $ref: '#/components/parameters/x-fapi-auth-date'
        - $ref: '#/components/parameters/x-fapi-customer-ip-address'
        - $ref: '#/components/parameters/x-fapi-interaction-id'
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/x-customer-user-agent'
        - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200OffersRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':

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# Full source: https://raw.githubusercontent.com/api-evangelist/tandem-bank/refs/heads/main/openapi/obie-standard-account-info-openapi.yaml
Tandem Bank Account and Transaction Information API (AIS)

Documentation

Specifications

Other Resources

OpenAPI Specification
