Yorkshire Building Society Confirmation of Funds API

OBIE Read/Write Confirmation of Funds (CBPII) API v3.1.2 - lets FCA-authorised card-based payment instrument issuers set up a funds confirmation consent and confirm whether a specified amount is available on a consenting YBS or Chelsea Building Society account. FAPI-secured (OAuth2/OIDC, mTLS, PSD2 SCA).

OpenAPI Specification

yorkshire-building-society-confirmation-of-funds-api-openapi.yaml Raw ↑
openapi: 3.0.1
info:
  title: Confirmation of Funds API Specification
  description: OpenAPI for Confirmation of Funds API Specification
  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: v3.1.2
paths:
  /funds-confirmation-consents:
    post:
      tags:
        - Funds Confirmations
      summary: Create Funds Confirmation Consent
      operationId: CreateFundsConfirmationConsents
      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'
      responses:
        '201':
          $ref: '#/components/responses/201FundsConfirmationConsentsCreated'
        '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:
        - TPPOAuth2Security:
            - fundsconfirmations
      requestBody:
        $ref: '#/components/requestBodies/OBFundsConfirmationConsent1Param'
  '/funds-confirmation-consents/{ConsentId}':
    get:
      tags:
        - Funds Confirmations
      summary: Get Funds Confirmation Consent
      operationId: GetFundsConfirmationConsentsConsentId
      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'
      responses:
        '200':
          $ref: '#/components/responses/200FundsConfirmationConsentsConsentIdRead'
        '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:
        - TPPOAuth2Security:
            - fundsconfirmations
    delete:
      tags:
        - Funds Confirmations
      summary: Delete Funds Confirmation Consent
      operationId: DeleteFundsConfirmationConsentsConsentId
      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'
      responses:
        '204':
          $ref: '#/components/responses/204FundsConfirmationConsentsConsentIdDeleted'
        '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:
        - TPPOAuth2Security:
            - fundsconfirmations
  /funds-confirmations:
    post:
      tags:
        - Funds Confirmations
      summary: Create Funds Confirmation
      operationId: CreateFundsConfirmations
      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'
      responses:
        '201':
          $ref: '#/components/responses/201FundsConfirmationsCreated'
        '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:
            - fundsconfirmations
      requestBody:
        $ref: '#/components/requestBodies/OBFundsConfirmation1Param'
components:
  parameters:
    ConsentId:
      name: ConsentId
      in: path
      description: ConsentId
      required: true
      schema:
        type: string
    Authorization:
      in: header
      name: Authorization
      required: true
      description: 'An Authorisation Token as per https://tools.ietf.org/html/rfc6750'
      schema:
        type: string
    x-customer-user-agent:
      in: header
      name: x-customer-user-agent
      description: Indicates the user-agent that the PSU is using.
      required: false
      schema:
        type: string
    x-fapi-customer-ip-address:
      in: header
      name: x-fapi-customer-ip-address
      required: false
      description: The PSU's IP address if the PSU is currently logged in with the TPP.
      schema:
        type: string
    x-fapi-auth-date:
      in: header
      name: x-fapi-auth-date
      required: false
      description: >-
        The time when the PSU last logged in with the TPP. 

        All dates in the HTTP headers are represented as RFC 7231 Full Dates. An
        example is below: 

        Sun, 10 Sep 2017 19:43:31 UTC
      schema:
        type: string
        pattern: >-
          ^(Mon|Tue|Wed|Thu|Fri|Sat|Sun), \d{2}
          (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d{4}
          \d{2}:\d{2}:\d{2} (GMT|UTC)$
    x-fapi-interaction-id:
      in: header
      name: x-fapi-interaction-id
      required: false
      description: An RFC4122 UID used as a correlation id.
      schema:
        type: string
    x-idempotency-key:
      name: x-idempotency-key
      in: header
      description: |
        Every request will be processed only once per x-idempotency-key.  The
        Idempotency Key will be valid for 24 hours.
      required: true
      schema:
        type: string
        pattern: ^(?!\s)(.*)(\S)$
        maxLength: 40
    x-jws-signature:
      in: header
      name: x-jws-signature
      required: true
      description: A detached JWS signature of the body of the payload.
      schema:
        type: string
  requestBodies:
    OBFundsConfirmationConsent1Param:
      description: Default
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OBFundsConfirmationConsent1'
      required: true
    OBFundsConfirmation1Param:
      description: Default
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OBFundsConfirmation1'
      required: true
  responses:
    201FundsConfirmationConsentsCreated:
      description: Funds Confirmation Consent Created
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OBFundsConfirmationConsentResponse1'
    200FundsConfirmationConsentsConsentIdRead:
      description: Funds Confirmation Consent Read
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OBFundsConfirmationConsentResponse1'
    204FundsConfirmationConsentsConsentIdDeleted:
      description: Funds Confirmation Consent Deleted
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
    201FundsConfirmationsCreated:
      description: Funds Confirmation Created
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OBFundsConfirmationResponse1'
    400Error:
      description: Bad request
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
    401Error:
      description: Unauthorized
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
    403Error:
      description: Forbidden
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
    404Error:
      description: Not found
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
    405Error:
      description: Method Not Allowed
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
    406Error:
      description: Not Acceptable
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
    415Error:
      description: Unsupported Media Type
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
    429Error:
      description: Too Many Requests
      headers:
        Retry-After:
          description: Number in seconds to wait
          schema:
            type: integer
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
    500Error:
      description: Internal Server Error
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
  schemas:
    ISODateTime:
      description: >-
        All dates in the JSON payloads are represented in ISO 8601 date-time
        format. 

        All date-time fields in responses must include the timezone. An example
        is below:

        2017-04-05T10:43:07+00:00
      type: string
      format: date-time
    Links:
      type: object
      description: Links relevant to the payload
      properties:
        Self:
          type: string
          format: uri
        First:
          type: string
          format: uri
        Prev:
          type: string
          format: uri
        Next:
          type: string
          format: uri
        Last:
          type: string
          format: uri
      additionalProperties: false
      required:
        - Self
    Meta:
      title: MetaData
      type: object
      description: Meta Data relevant to the payload
      properties:
        TotalPages:
          type: integer
          format: int32
        FirstAvailableDateTime:
          $ref: '#/components/schemas/ISODateTime'
        LastAvailableDateTime:
          $ref: '#/components/schemas/ISODateTime'
      additionalProperties: false
    OBError1:
      type: object
      properties:
        ErrorCode:
          description: 'Low level textual error code, e.g., UK.OBIE.Field.Missing'
          type: string
          x-namespaced-enum:
            - UK.OBIE.Field.Expected
            - UK.OBIE.Field.Invalid
            - UK.OBIE.Field.InvalidDate
            - UK.OBIE.Field.Missing
            - UK.OBIE.Field.Unexpected
            - UK.OBIE.Header.Invalid
            - UK.OBIE.Header.Missing
            - UK.OBIE.Reauthenticate
            - UK.OBIE.Resource.ConsentMismatch
            - UK.OBIE.Resource.InvalidConsentStatus
            - UK.OBIE.Resource.InvalidFormat
            - UK.OBIE.Resource.NotFound
            - UK.OBIE.Rules.AfterCutOffDateTime
            - UK.OBIE.Rules.DuplicateReference
            - UK.OBIE.Signature.Invalid
            - UK.OBIE.Signature.InvalidClaim
            - UK.OBIE.Signature.Malformed
            - UK.OBIE.Signature.Missing
            - UK.OBIE.Signature.MissingClaim
            - UK.OBIE.Signature.Unexpected
            - UK.OBIE.UnexpectedError
            - UK.OBIE.Unsupported.AccountIdentifier
            - UK.OBIE.Unsupported.AccountSecondaryIdentifier
            - UK.OBIE.Unsupported.Currency
            - UK.OBIE.Unsupported.Frequency
            - UK.OBIE.Unsupported.LocalInstrument
            - UK.OBIE.Unsupported.Scheme
        Message:
          description: >-
            A description of the error that occurred. e.g., 'A mandatory field
            isn't supplied' or 'RequestedExecutionDateTime must be in future'

            OBIE doesn't standardise this field
          type: string
          minLength: 1
          maxLength: 500
        Path:
          description: >-
            Recommended but optional reference to the JSON Path of the field
            with error, e.g., Data.Initiation.InstructedAmount.Currency
          type: string
          minLength: 1
          maxLength: 500
        Url:
          description: >-
            URL to help remediate the problem, or provide more information, or
            to API Reference, or help etc
          type: string
      required:
        - ErrorCode
        - Message
      additionalProperties: false
      minProperties: 1
    OBErrorResponse1:
      description: >-
        An array of detail error codes, and messages, and URLs to documentation
        to help remediation.
      type: object
      properties:
        Code:
          description: 'High level textual error code, to help categorize the errors.'
          type: string
          minLength: 1
          maxLength: 40
        Id:
          description: >-
            A unique reference for the error instance, for audit purposes, in
            case of unknown/unclassified errors.
          type: string
          minLength: 1
          maxLength: 40
        Message:
          description: >-
            Brief Error message, e.g., 'There is something wrong with the
            request parameters provided'
          type: string
          minLength: 1
          maxLength: 500
        Errors:
          items:
            $ref: '#/components/schemas/OBError1'
          type: array
          minItems: 1
      required:
        - Code
        - Message
        - Errors
      additionalProperties: false
    OBFundsConfirmation1:
      type: object
      required:
        - Data
      properties:
        Data:
          type: object
          required:
            - ConsentId
            - Reference
            - InstructedAmount
          properties:
            ConsentId:
              description: >-
                Unique identification as assigned by the ASPSP to uniquely
                identify the funds confirmation consent resource.
              type: string
              minLength: 1
              maxLength: 128
            Reference:
              description: >-
                Unique reference, as assigned by the CBPII, to unambiguously
                refer to the request related to the payment transaction.
              type: string
              minLength: 1
              maxLength: 35
            InstructedAmount:
              type: object
              required:
                - Amount
                - Currency
              description: >-
                Amount of money to be confirmed as available funds in the debtor
                account. Contains an Amount and a Currency.
              properties:
                Amount:
                  description: >-
                    A number of monetary units specified in an active currency
                    where the unit of currency is explicit and compliant with
                    ISO 4217.
                  type: string
                  pattern: '^\d{1,13}\.\d{1,5}$'
                Currency:
                  description: >-
                    A code allocated to a currency by a Maintenance Agency under
                    an international identification scheme, as described in the
                    latest edition of the international standard ISO 4217 "Codes
                    for the representation of currencies and funds".
                  type: string
                  pattern: '^[A-Z]{3,3}$'
    OBFundsConfirmationConsent1:
      type: object
      required:
        - Data
      properties:
        Data:
          type: object
          required:
            - DebtorAccount
          properties:
            ExpirationDateTime:
              description: >-
                Specified date and time the funds confirmation authorisation
                will expire.
                 If this is not populated, the authorisation will be open ended.All dates in the JSON payloads are represented in ISO 8601 date-time format. 
                All date-time fields in responses must include the timezone. An
                example is below:

                2017-04-05T10:43:07+00:00
              type: string
              format: date-time
            DebtorAccount:
              type: object
              required:
                - SchemeName
                - Identification
              description: >-
                Unambiguous identification of the account of the debtor to which
                a confirmation of funds consent will be applied.
              properties:
                SchemeName:
                  description: >-
                    Name of the identification scheme, in a coded form as
                    published in an external list.
                  type: string
                  x-namespaced-enum:
                    - UK.OBIE.BBAN
                    - UK.OBIE.IBAN
                    - UK.OBIE.PAN
                    - UK.OBIE.Paym
                    - UK.OBIE.SortCodeAccountNumber
                Identification:
                  description: >-
                    Identification assigned by an institution to identify an
                    account. This identification is known by the account owner.
                  type: string
                  minLength: 1
                  maxLength: 256
                Name:
                  description: >-
                    Name of the account, as assigned by the account servicing
                    institution.

                    Usage: The account name is the name or names of the account
                    owner(s) represented at an account level. The account name
                    is not the product name or the nickname of the account.
                  type: string
                  minLength: 1
                  maxLength: 70
                SecondaryIdentification:
                  description: >-
                    This is secondary identification of the account, as assigned
                    by the account servicing institution. 

                    This can be used by building societies to additionally
                    identify accounts with a roll number (in addition to a sort
                    code and account number combination).
                  type: string
                  minLength: 1
                  maxLength: 34
    OBFundsConfirmationConsentResponse1:
      type: object
      required:
        - Data
      properties:
        Data:
          type: object
          required:
            - ConsentId
            - CreationDateTime
            - Status
            - StatusUpdateDateTime
            - DebtorAccount
          properties:
            ConsentId:
              description: >-
                Unique identification as assigned to identify the funds
                confirmation consent resource.
              type: string
              minLength: 1
              maxLength: 128
            CreationDateTime:
              description: >-
                Date and time at which the resource was created.All dates in the
                JSON payloads are represented in ISO 8601 date-time format. 

                All date-time fields in responses must include the timezone. An
                example is below:

                2017-04-05T10:43:07+00:00
              type: string
              format: date-time
            Status:
              description: Specifies the status of consent resource in code form.
              type: string
              enum:
                - Authorised
                - AwaitingAuthorisation
                - Rejected
                - Revoked
            StatusUpdateDateTime:
              description: >-
                Date and time at which the resource status was updated.All dates
                in the JSON payloads are represented in ISO 8601 date-time
                format. 

                All date-time fields in responses must include the timezone. An
                example is below:

                2017-04-05T10:43:07+00:00
              type: string
              format: date-time
            ExpirationDateTime:
              description: >-
                Specified date and time the funds confirmation authorisation
                will expire.

                If this is not populated, the authorisation will be open
                ended.All dates in the JSON payloads are represented in ISO 8601
                date-time format. 

                All date-time fields in responses must include the timezone. An
                example is below:

                2017-04-05T10:43:07+00:00
              type: string
              format: date-time
            DebtorAccount:
              type: object
              required:
                - SchemeName
                - Identification
              description: >-
                Unambiguous identification of the account of the debtor to which
                a confirmation of funds consent will be applied.
              properties:
                SchemeName:
                  description: >-
                    Name of the identification scheme, in a coded form as
                    published in an external list.
                  type: string
                  x-namespaced-enum:
                    - UK.OBIE.BBAN
                    - UK.OBIE.IBAN
                    - UK.OBIE.PAN
                    - UK.OBIE.Paym
                    - UK.OBIE.SortCodeAccountNumber
                Identification:
                  description: >-
                    Identification assigned by an institution to identify an
                    account. This identification is known by the account owner.
                  type: string
                  minLength: 1
                  maxLength: 256
                Name:
                  description: >-
                    Name of the account, as assigned by the account servicing
                    institution.

                    Usage: The account name is the name or names of the account
                    owner(s) represented at an account level. The account name
                    is not the product name or the nickname of the account.
                  type: string
                  minLength: 1
                  maxLength: 70
                SecondaryIdentification:
                  description: >-
                    This is secondary identification of the account, as assigned
                    by the account servicing institution. 

                    This can be used by building societies to additionally
                    identify accounts with a roll number (in addition to a sort
                    code and account number combination).
                  type: string
                  minLength: 1
                  maxLength: 34
        Links:
          $ref: '#/components/schemas/Links'
        Meta:
          $ref: '#/components/schemas/Meta'
    OBFundsConfirmationResponse1:
      type: object
      required:
        - Data
      properties:
        Data:
          type: object
          required:
            - FundsConfirmationId
            - ConsentId
            - CreationDateTime
            - FundsAvailable
            - Reference
            - InstructedAmount
          properties:
            FundsConfirmationId:
              description: >-
                Unique identification as assigned by the ASPSP to uniquely
                identify the funds confirmation resource.
              type: string
              minLength: 1
              maxLength: 40
            ConsentId:
              description: >-
                Unique identification as assigned by the ASPSP to uniquely
                identify the funds confirmation consent resource.
              type: string
              minLength: 1
              maxLength: 128
            CreationDateTime:
              description: >-
                Date and time at which the resource was created.All dates in the
                JSON payloads are represented in ISO 8601 date-time format. 

                All date-time fields in responses must include the timezone. An
                example is below:

                2017-04-05T10:43:07+00:00
              type: string
              format: date-time
            FundsAvailable:
              description: Flag to indicate the result of a confirmation of funds check.
              type: boolean
            Reference:
              description: >-
                Unique reference, as assigned by the CBPII, to unambiguously
                refer to the request related to the payment transaction.
              type: string
              minLength: 1
              maxLength: 35
            InstructedAmount:
              type: object
              required:
                - Amount
                - Currency
              description: >-
                Amount of money to be confirmed as available funds in the debtor
                account. Contains an Amount and a Currency.
              properties:
                Amount:
                  description: >-
                    A number of monetary units specified in an active currency
                    where the unit of currency is explicit and compliant with
                    ISO 4217.
                  type: string
                  pattern: '^\d{1,13}\.\d{1,5}$'
                Currency:
                  description: >-
                    A code allocated to a currency by a Maintenance Agency under
                    an international identification scheme, as described in the
                    latest edition of the international standard ISO 4217 "Codes
                    for the representation of currencies and funds".
                  type: string
                  pattern: '^[A-Z]{3,3}$'
        Links:
          $ref: '#/components/schemas/Links'
        Meta:
          $ref: '#/components/schemas/Meta'
  securitySchemes:
    TPPOAuth2Security:
      type: oauth2
      description: TPP client credential authorisation flow with the ASPSP
      flows:
        clientCredentials:
          tokenUrl: 'https://authserver.example/token'
          scopes:
            fundsconfirmations: Funds confirmation entitlement
    PSUOAuth2Security:
      type: oauth2
      description: >-
        OAuth flow, it is required when the PSU needs to perform SCA with the
        ASPSP when a TPP wants to access an ASPSP resource owned by the PSU
      flows:
        authorizationCode:
          authorizationUrl: 'https://authserver.example/authorization'
          tokenUrl: 'https://authserver.example/token'
          scopes:
            fundsconfirmations: Funds confirmation entitlement