openapi: 3.0.0
info:
  title: Account and Transaction API Specification Account Access File Payments API
  description: Swagger for Account and Transaction 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: 3.1.11
servers:
- url: /open-banking/v3.1/aisp
tags:
- name: File Payments
paths:
  /file-payment-consents:
    post:
      tags:
      - File Payments
      summary: Create File Payment Consents
      operationId: CreateFilePaymentConsents
      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-idempotency-key'
      - $ref: '#/components/parameters/x-jws-signature'
      - $ref: '#/components/parameters/x-customer-user-agent'
      requestBody:
        content:
          application/json; charset=utf-8:
            schema:
              $ref: '#/components/schemas/OBWriteFileConsent3'
          application/json:
            schema:
              $ref: '#/components/schemas/OBWriteFileConsent3'
          application/jose+jwe:
            schema:
              $ref: '#/components/schemas/OBWriteFileConsent3'
        description: Default
        required: true
      responses:
        201:
          $ref: '#/components/responses/201FilePaymentConsentsCreated'
        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'
        415:
          $ref: '#/components/responses/415Error'
        429:
          $ref: '#/components/responses/429Error'
        500:
          $ref: '#/components/responses/500Error'
      security:
      - TPPOAuth2Security:
        - payments
  /file-payment-consents/{ConsentId}:
    get:
      tags:
      - File Payments
      summary: Get File Payment Consents
      operationId: GetFilePaymentConsentsConsentId
      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'
      responses:
        200:
          $ref: '#/components/responses/200FilePaymentConsentsConsentIdRead'
        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:
        - payments
  /file-payment-consents/{ConsentId}/file:
    post:
      tags:
      - File Payments
      summary: Create File Payment Consents
      operationId: CreateFilePaymentConsentsConsentIdFile
      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-idempotency-key'
      - $ref: '#/components/parameters/x-jws-signature'
      - $ref: '#/components/parameters/x-customer-user-agent'
      requestBody:
        content:
          application/json; charset=utf-8:
            schema:
              $ref: '#/components/schemas/File'
          application/json:
            schema:
              $ref: '#/components/schemas/File'
          application/jose+jwe:
            schema:
              $ref: '#/components/schemas/File'
        description: Default
        required: true
      responses:
        200:
          $ref: '#/components/responses/200FilePaymentConsentsConsentIdFileCreated'
        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'
        415:
          $ref: '#/components/responses/415Error'
        429:
          $ref: '#/components/responses/429Error'
        500:
          $ref: '#/components/responses/500Error'
      security:
      - TPPOAuth2Security:
        - payments
    get:
      tags:
      - File Payments
      summary: Get File Payment Consents
      operationId: GetFilePaymentConsentsConsentIdFile
      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'
      responses:
        200:
          $ref: '#/components/responses/200FilePaymentConsentsConsentIdFileRead'
        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:
        - payments
  /file-payments:
    post:
      tags:
      - File Payments
      summary: Create File Payments
      operationId: CreateFilePayments
      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-idempotency-key'
      - $ref: '#/components/parameters/x-jws-signature'
      - $ref: '#/components/parameters/x-customer-user-agent'
      requestBody:
        content:
          application/json; charset=utf-8:
            schema:
              $ref: '#/components/schemas/OBWriteFile2'
          application/json:
            schema:
              $ref: '#/components/schemas/OBWriteFile2'
          application/jose+jwe:
            schema:
              $ref: '#/components/schemas/OBWriteFile2'
        description: Default
        required: true
      responses:
        201:
          $ref: '#/components/responses/201FilePaymentsCreated'
        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'
        415:
          $ref: '#/components/responses/415Error'
        429:
          $ref: '#/components/responses/429Error'
        500:
          $ref: '#/components/responses/500Error'
      security:
      - PSUOAuth2Security:
        - payments
  /file-payments/{FilePaymentId}:
    get:
      tags:
      - File Payments
      summary: Get File Payments
      operationId: GetFilePaymentsFilePaymentId
      parameters:
      - $ref: '#/components/parameters/FilePaymentId'
      - $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'
      responses:
        200:
          $ref: '#/components/responses/200FilePaymentsFilePaymentIdRead'
        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:
        - payments
  /file-payments/{FilePaymentId}/report-file:
    get:
      tags:
      - File Payments
      summary: Get File Payments
      operationId: GetFilePaymentsFilePaymentIdReportFile
      parameters:
      - $ref: '#/components/parameters/FilePaymentId'
      - $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'
      responses:
        200:
          $ref: '#/components/responses/200FilePaymentsFilePaymentIdReportFileRead'
        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:
        - payments
components:
  schemas:
    ISODateTime:
      description: "All dates in the JSON payloads are represented in ISO 8601 date-time format. \nAll date-time fields in responses must include the timezone. An example is below:\n2017-04-05T10:43:07+00:00"
      type: string
      format: date-time
    OBChargeBearerType1Code:
      description: Specifies which party/parties will bear the charges associated with the processing of the payment transaction.
      type: string
      enum:
      - BorneByCreditor
      - BorneByDebtor
      - FollowingServiceLevel
      - Shared
    OBSCASupportData1:
      type: object
      properties:
        RequestedSCAExemptionType:
          type: string
          description: This field allows a PISP to request specific SCA Exemption for a Payment Initiation
          enum:
          - BillPayment
          - ContactlessTravel
          - EcommerceGoods
          - EcommerceServices
          - Kiosk
          - Parking
          - PartyToParty
        AppliedAuthenticationApproach:
          type: string
          maxLength: 40
          description: 'Specifies a character string with a maximum length of 40 characters.

            Usage: This field indicates whether the PSU was subject to SCA performed by the TPP'
          enum:
          - CA
          - SCA
        ReferencePaymentOrderId:
          type: string
          maxLength: 40
          minLength: 1
          description: 'If the payment is recurring, then this field is populated with the transaction identifier of the previous payment occurrence so that the ASPSP can verify that the PISP, amount and the payee are the same as the previous occurrence. The value here refers to the payment id e.g. DomesticPaymentId  '
      description: Supporting Data provided by TPP, when requesting SCA Exemption.
    OBErrorResponse1:
      description: An array of detail error codes, and messages, and URLs to documentation to help remediation.
      type: object
      additionalProperties: false
      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
    OBExternalLocalInstrument1Code:
      description: 'User community specific instrument.

        Usage: This element is used to specify a local instrument, local clearing option and/or further qualify the service or service level.'
      type: string
      x-namespaced-enum:
      - UK.OBIE.BACS
      - UK.OBIE.BalanceTransfer
      - UK.OBIE.CHAPS
      - UK.OBIE.Euro1
      - UK.OBIE.FPS
      - UK.OBIE.Link
      - UK.OBIE.MoneyTransfer
      - UK.OBIE.Paym
      - UK.OBIE.SEPACreditTransfer
      - UK.OBIE.SEPAInstantCreditTransfer
      - UK.OBIE.SWIFT
      - UK.OBIE.Target2
    OBCashAccountDebtor4:
      type: object
      description: ^ Only incuded in the response if `Data. ReadRefundAccount` is set to `Yes` in the consent.
      properties:
        SchemeName:
          type: string
          description: ^ Name of the identification scheme, in a coded form as published in an external list. | Namespaced Enumeration OBExternalAccountIdentification4Code
        Identification:
          type: string
          description: ^ Identification assigned by an institution to identify an account. This identification is known by the account owner. | Max256Text
        Name:
          type: string
          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.
        SecondaryIdentification:
          type: string
          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) | Max34Text
    OBWriteFileConsentResponse4:
      type: object
      additionalProperties: false
      required:
      - Data
      properties:
        Data:
          type: object
          additionalProperties: false
          required:
          - ConsentId
          - CreationDateTime
          - Status
          - StatusUpdateDateTime
          - Initiation
          properties:
            ConsentId:
              description: 'OB: Unique identification as assigned by the ASPSP to uniquely identify the 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. \nAll date-time fields in responses must include the timezone. An example is below:\n2017-04-05T10:43:07+00:00"
              type: string
              format: date-time
            Status:
              description: Specifies the status of consent resource in code form.
              type: string
              enum:
              - Authorised
              - AwaitingAuthorisation
              - AwaitingUpload
              - Consumed
              - Rejected
            StatusUpdateDateTime:
              description: "Date and time at which the consent resource status was updated.All dates in the JSON payloads are represented in ISO 8601 date-time format. \nAll date-time fields in responses must include the timezone. An example is below:\n2017-04-05T10:43:07+00:00"
              type: string
              format: date-time
            CutOffDateTime:
              description: "Specified cut-off date and time for the payment consent.All dates in the JSON payloads are represented in ISO 8601 date-time format. \nAll date-time fields in responses must include the timezone. An example is below:\n2017-04-05T10:43:07+00:00"
              type: string
              format: date-time
            Charges:
              type: array
              items:
                type: object
                additionalProperties: false
                description: Set of elements used to provide details of a charge for the payment initiation.
                required:
                - ChargeBearer
                - Type
                - Amount
                properties:
                  ChargeBearer:
                    $ref: '#/components/schemas/OBChargeBearerType1Code'
                  Type:
                    $ref: '#/components/schemas/OBExternalPaymentChargeType1Code'
                  Amount:
                    $ref: '#/components/schemas/OBActiveOrHistoricCurrencyAndAmount'
            Initiation:
              type: object
              additionalProperties: false
              required:
              - FileType
              - FileHash
              description: The Initiation payload is sent by the initiating party to the ASPSP. It is used to request movement of funds using a payment file.
              properties:
                FileType:
                  description: Specifies the payment file type.
                  type: string
                  x-namespaced-enum:
                  - UK.OBIE.PaymentInitiation.3.1
                  - UK.OBIE.pain.001.001.08
                FileHash:
                  description: A base64 encoding of a SHA256 hash of the file to be uploaded.
                  type: string
                  minLength: 1
                  maxLength: 44
                FileReference:
                  description: Reference for the file.
                  type: string
                  minLength: 1
                  maxLength: 40
                NumberOfTransactions:
                  description: Number of individual transactions contained in the payment information group.
                  type: string
                  pattern: '[0-9]{1,15}'
                ControlSum:
                  description: Total of all individual amounts included in the group, irrespective of currencies.
                  type: number
                RequestedExecutionDateTime:
                  description: "Date at which the initiating party requests the clearing agent to process the payment. \nUsage: This is the date on which the debtor's account is to be debited.All dates in the JSON payloads are represented in ISO 8601 date-time format. \nAll date-time fields in responses must include the timezone. An example is below:\n2017-04-05T10:43:07+00:00"
                  type: string
                  format: date-time
                LocalInstrument:
                  $ref: '#/components/schemas/OBExternalLocalInstrument1Code'
                DebtorAccount:
                  type: object
                  additionalProperties: false
                  required:
                  - SchemeName
                  - Identification
                  description: Unambiguous identification of the account of the debtor to which a debit entry will be made as a result of the transaction.
                  properties:
                    SchemeName:
                      $ref: '#/components/schemas/OBExternalAccountIdentification4Code'
                    Identification:
                      $ref: '#/components/schemas/Identification_0'
                    Name:
                      description: 'The account name is the name or names of the account owner(s) represented at an account level, as displayed by the ASPSP''s online channels.

                        Note, the account name is not the product name or the nickname of the account.'
                      type: string
                      minLength: 1
                      maxLength: 350
                    SecondaryIdentification:
                      $ref: '#/components/schemas/SecondaryIdentification'
                RemittanceInformation:
                  type: object
                  additionalProperties: false
                  description: Information supplied to enable the matching of an entry with the items that the transfer is intended to settle, such as commercial invoices in an accounts' receivable system.
                  properties:
                    Unstructured:
                      description: Information supplied to enable the matching/reconciliation of an entry with the items that the payment is intended to settle, such as commercial invoices in an accounts' receivable system, in an unstructured form.
                      type: string
                      minLength: 1
                      maxLength: 140
                    Reference:
                      description: 'Unique reference, as assigned by the creditor, to unambiguously refer to the payment transaction.

                        Usage: If available, the initiating party should provide this reference in the structured remittance information, to enable reconciliation by the creditor upon receipt of the amount of money.

                        If the business context requires the use of a creditor reference or a payment remit identification, and only one identifier can be passed through the end-to-end chain, the creditor''s reference or payment remittance identification should be quoted in the end-to-end transaction identification.

                        OB: The Faster Payments Scheme can only accept 18 characters for the ReferenceInformation field - which is where this ISO field will be mapped.'
                      type: string
                      minLength: 1
                      maxLength: 35
                SupplementaryData:
                  $ref: '#/components/schemas/OBSupplementaryData1'
            Authorisation:
              type: object
              additionalProperties: false
              required:
              - AuthorisationType
              description: The authorisation type request from the TPP.
              properties:
                AuthorisationType:
                  description: Type of authorisation flow requested.
                  type: string
                  enum:
                  - Any
                  - Single
                CompletionDateTime:
                  description: "Date and time at which the requested authorisation flow must be completed.All dates in the JSON payloads are represented in ISO 8601 date-time format. \nAll date-time fields in responses must include the timezone. An example is below:\n2017-04-05T10:43:07+00:00"
                  type: string
                  format: date-time
            SCASupportData:
              $ref: '#/components/schemas/OBSCASupportData1'
            Debtor:
              $ref: '#/components/schemas/OBCashAccountDebtor4'
        Links:
          $ref: '#/components/schemas/Links'
        Meta:
          $ref: '#/components/schemas/Meta'
    Meta:
      title: MetaData
      type: object
      additionalProperties: false
      description: Meta Data relevant to the payload
      properties:
        TotalPages:
          type: integer
          format: int32
        FirstAvailableDateTime:
          $ref: '#/components/schemas/ISODateTime'
        LastAvailableDateTime:
          $ref: '#/components/schemas/ISODateTime'
    OBError1:
      type: object
      additionalProperties: false
      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
      minProperties: 1
    Links:
      type: object
      additionalProperties: false
      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
      required:
      - Self
    OBSupplementaryData1:
      type: object
      properties: {}
      additionalProperties: true
      description: Additional information that can not be captured in the structured fields and/or any other specific block.
    OBActiveCurrencyAndAmount_SimpleType:
      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}$|^\d{1,13}\.\d{1,5}$
    OBActiveOrHistoricCurrencyAndAmount:
      type: object
      additionalProperties: false
      required:
      - Amount
      - Currency
      description: Amount of money associated with the charge type.
      properties:
        Amount:
          $ref: '#/components/schemas/OBActiveCurrencyAndAmount_SimpleType'
        Currency:
          $ref: '#/components/schemas/ActiveOrHistoricCurrencyCode'
    Identification_0:
      description: Identification assigned by an institution to identify an account. This identification is known by the account owner.
      type: string
      minLength: 1
      maxLength: 256
    File:
      type: object
      additionalProperties: false
      properties: {}
    OBWriteFileResponse3:
      type: object
      additionalProperties: false
      required:
      - Data
      properties:
        Data:
          type: object
          additionalProperties: false
          required:
          - FilePaymentId
          - ConsentId
          - CreationDateTime
          - Status
          - StatusUpdateDateTime
          - Initiation
          properties:
            FilePaymentId:
              description: 'OB: Unique identification as assigned by the ASPSP to uniquely identify the file payment resource.'
              type: string
              minLength: 1
              maxLength: 40
            ConsentId:
              description: 'OB: Unique identification as assigned by the ASPSP to uniquely identify the consent resource.'
              type: string
              minLength: 1
              maxLength: 128
            CreationDateTime:
              description: "Date and time at which the message was created.All dates in the JSON payloads are represented in ISO 8601 date-time format. \nAll date-time fields in responses must include the timezone. An example is below:\n2017-04-05T10:43:07+00:00"
              type: string
              format: date-time
            Status:
              description: Specifies the status of the payment order resource.
              type: string
              enum:
              - InitiationCompleted
              - InitiationFailed
              - InitiationPending
            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. \nAll date-time fields in responses must include the timezone. An example is below:\n2017-04-05T10:43:07+00:00"
              type: string
              format: date-time
            Charges:
              type: array
              items:
                type: object
                additionalProperties: false
                description: Set of elements used to provide details of a charge for the payment initiation.
                required:
                - ChargeBearer
                - Type
                - Amount
                properties:
                  ChargeBearer:
                    $ref: '#/components/schemas/OBChargeBearerType1Code'
                  Type:
                    $ref: '#/components/schemas/OBExternalPaymentChargeType1Code'
                  Amount:
                    $ref: '#/components/schemas/OBActiveOrHistoricCurrencyAndAmount'
            Initiation:
              type: object
              additionalProperties: false
              required:
              - FileType
              - FileHash
              description: The Initiation payload is sent by the initiating party to the ASPSP. It is used to request movement of funds using a payment file.
              properties:
                FileType:
                  description: Specifies the payment file type.
                  type: string
                  x-namespaced-enum:
                  - UK.OBIE.PaymentInitiation.3.1
                  - UK.OBIE.pain.001.001.08
                FileHash:
                  description: A base64 encoding of a SHA256 hash of the file to be uploaded.
                  type: string
                  minLength: 1
                  maxLength: 44
                FileReference:
                  description: Reference for the file.
                  type: string
                  minLength: 1
                  maxLength: 40
                NumberOfTransactions:
                  description: Number of individual transactions contained in the payment information group.
                  type: string
                  pattern: '[0-9]{1,15}'
                ControlSum:
                  description: Total of all individual amounts included in the group, irrespective of currencies.
                  type: number
                RequestedExecutionDateTime:
                  description: "Date at which the initiating party requests the clearing agent to process the payment. \nUsage: This is the date on which the debtor's account is to be debited.All dates in the JSON payloads are represented in ISO 8601 date-time format. \nAll date-time fields in responses must include the timezone. An example is below:\n2017-04-05T10:43:07+00:00"
                  type: string
                  format: date-time
                LocalInstrument:
                  $ref: '#/components/schemas/OBExternalLocalInstrument1Code'
                DebtorAccount:
                  type: object
      

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# Full source: https://raw.githubusercontent.com/api-evangelist/natwest/refs/heads/main/openapi/natwest-file-payments-api-openapi.yml