Monument Bank

Monument Bank Domestic Payments API

The Domestic Payments API from Monument Bank — 3 operation(s) for domestic payments.

GitHub OpenAPI

Operations 3

POST /domestic-payments Initiate a Domestic Payment #
GET /domestic-payments/{DomesticPaymentId} Get a Domestic Payment #
GET /domestic-payments/{DomesticPaymentId}/payment-details Get details of a Domestic Payment #

Documentation

📖
Documentation
https://github.com/OpenBankingUK/opendata-api-spec-compiled
📖
APIReference
https://openbankinguk.github.io/opendata-api-docs-pub/
📖
Documentation
https://github.com/OpenBankingUK/read-write-api-specs
📖
APIReference
https://openbankinguk.github.io/read-write-api-docs-pub/v3.1.11/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/monument-bank/refs/heads/main/openapi/monument-bank-domestic-payments-api-openapi.yml

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OpenAPI Specification

monument-bank-domestic-payments-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Payment Initiation Domestic Payments API
  description: 'Swagger for Payment Initiation 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
servers:
- url: /open-banking/v4.0/pisp
tags:
- name: Domestic Payments
paths:
  /domestic-payments:
    post:
      tags:
      - Domestic Payments
      summary: Initiate a Domestic Payment
      description: Enables a PISP to initiate an already PSU-approved Domestic Payment.
      operationId: CreateDomesticPayments
      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'
      - $ref: '#/components/parameters/x-client-id'
      requestBody:
        content:
          application/json; charset=utf-8:
            schema:
              $ref: '#/components/schemas/OBWriteDomestic2'
          application/json:
            schema:
              $ref: '#/components/schemas/OBWriteDomestic2'
          application/jose+jwe:
            schema:
              $ref: '#/components/schemas/OBWriteDomestic2'
        description: Default
        required: true
      responses:
        '201':
          $ref: '#/components/responses/201DomesticPaymentsCreated'
        '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'
        '409':
          $ref: '#/components/responses/409Error'
        '415':
          $ref: '#/components/responses/415Error'
        '422':
          $ref: '#/components/responses/422Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
      - PSUOAuth2Security:
        - payments
  /domestic-payments/{DomesticPaymentId}:
    get:
      tags:
      - Domestic Payments
      summary: Get a Domestic Payment
      description: Enables a PISP to retrieve the status of a Domestic Payment.
      operationId: GetDomesticPaymentsDomesticPaymentId
      parameters:
      - $ref: '#/components/parameters/DomesticPaymentId'
      - $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/200DomesticPaymentsDomesticPaymentIdRead'
        '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:
        - payments
  /domestic-payments/{DomesticPaymentId}/payment-details:
    get:
      tags:
      - Domestic Payments
      summary: Get details of a Domestic Payment
      description: Enables a PISP to retrieve detailed information on the status of a Domestic Payment.
      operationId: GetDomesticPaymentsDomesticPaymentIdPaymentDetails
      parameters:
      - $ref: '#/components/parameters/DomesticPaymentId'
      - $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/200DomesticPaymentsDomesticPaymentIdPaymentDetailsRead'
        '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:
  responses:
    409Error:
      description: Conflict
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          schema:
            type: string
        x-jws-signature:
          description: Header containing a detached JWS signature of the body of the payload.
          required: true
          schema:
            type: string
      content:
        application/json; charset=utf-8:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
        application/json:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
        application/jose+jwe:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
    415Error:
      description: Unsupported Media Type
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          schema:
            type: string
    500Error:
      description: Internal Server Error
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          schema:
            type: string
        x-jws-signature:
          description: 'Header containing a detached JWS signature of the body of the payload.

            '
          required: true
          schema:
            type: string
      content:
        application/json; charset=utf-8:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
        application/json:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
        application/jose+jwe:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
    200DomesticPaymentsDomesticPaymentIdPaymentDetailsRead:
      description: Payment Details Read
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          schema:
            type: string
        x-jws-signature:
          description: 'Header containing a detached JWS signature of the body of the payload.

            '
          required: true
          schema:
            type: string
        RateLimit-Policy:
          $ref: '#/components/headers/RateLimit-Policy'
        RateLimit:
          $ref: '#/components/headers/RateLimit'
      content:
        application/json; charset=utf-8:
          schema:
            $ref: '#/components/schemas/OBWritePaymentDetailsResponse1'
        application/json:
          schema:
            $ref: '#/components/schemas/OBWritePaymentDetailsResponse1'
        application/jose+jwe:
          schema:
            $ref: '#/components/schemas/OBWritePaymentDetailsResponse1'
    200DomesticPaymentsDomesticPaymentIdRead:
      description: Domestic Payments Read
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          schema:
            type: string
        x-jws-signature:
          description: 'Header containing a detached JWS signature of the body of the payload.

            '
          required: true
          schema:
            type: string
        RateLimit-Policy:
          $ref: '#/components/headers/RateLimit-Policy'
        RateLimit:
          $ref: '#/components/headers/RateLimit'
      content:
        application/json; charset=utf-8:
          schema:
            $ref: '#/components/schemas/OBWriteDomesticResponse5'
        application/json:
          schema:
            $ref: '#/components/schemas/OBWriteDomesticResponse5'
        application/jose+jwe:
          schema:
            $ref: '#/components/schemas/OBWriteDomesticResponse5'
    400Error:
      description: Bad request
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          schema:
            type: string
        x-jws-signature:
          description: 'Header containing a detached JWS signature of the body of the payload.

            '
          required: true
          schema:
            type: string
      content:
        application/json; charset=utf-8:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
        application/json:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
        application/jose+jwe:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
    422Error:
      description: Duplicate Idempotency key
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          schema:
            type: string
        x-jws-signature:
          description: Header containing a detached JWS signature of the body of the payload.
          required: true
          schema:
            type: string
      content:
        application/json; charset=utf-8:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
        application/json:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
        application/jose+jwe:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
    403Error:
      description: Forbidden
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          schema:
            type: string
        x-jws-signature:
          description: 'Header containing a detached JWS signature of the body of the payload.

            '
          required: true
          schema:
            type: string
      content:
        application/json; charset=utf-8:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
        application/json:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
        application/jose+jwe:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
    406Error:
      description: Not Acceptable
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          schema:
            type: string
    201DomesticPaymentsCreated:
      description: Domestic Payments Created
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          schema:
            type: string
        x-jws-signature:
          description: 'Header containing a detached JWS signature of the body of the payload.

            '
          required: true
          schema:
            type: string
        RateLimit-Policy:
          $ref: '#/components/headers/RateLimit-Policy'
        RateLimit:
          $ref: '#/components/headers/RateLimit'
      content:
        application/json; charset=utf-8:
          schema:
            $ref: '#/components/schemas/OBWriteDomesticResponse5'
        application/json:
          schema:
            $ref: '#/components/schemas/OBWriteDomesticResponse5'
        application/jose+jwe:
          schema:
            $ref: '#/components/schemas/OBWriteDomesticResponse5'
    404Error:
      description: Not found
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          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.
          required: true
          schema:
            type: string
    401Error:
      description: Unauthorized
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          schema:
            type: string
    405Error:
      description: Method Not Allowed
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          schema:
            type: string
  schemas:
    ExternalPurpose1Code:
      type: string
      minLength: 1
      maxLength: 4
      description: This is a partial list, For a full list see `ExternalPurpose1Code` [here](https://github.com/OpenBankingUK/External_Internal_CodeSets)
      enum:
      - BKDF
      - BKFE
      - BKFM
      - BKIP
      - BKPP
      - CBLK
      - CDCB
      - CDCD
      - CDCS
      - CDDP
      - CDOC
      - CDQC
      - ETUP
      - FCOL
      - MTUP
      - ACCT
      - CASH
      - COLL
      - CSDB
      - DEPT
      - INTC
      - INTP
      - LIMA
      - NETT
      - BFWD
      - CCIR
      - CCPC
      - CCPM
      - CCSM
      - CRDS
      - CRPR
      - CRSP
      - CRTL
      - EQPT
      - EQUS
      - EXPT
      - EXTD
      - FIXI
      - FWBC
      - FWCC
      - FWSB
      - FWSC
      - MARG
      - MBSB
      - MBSC
      - MGCC
      - MGSC
      - OCCC
      - OPBC
      - OPCC
      - OPSB
      - OPSC
      - OPTN
      - OTCD
      - REPO
      - RPBC
      - RPCC
      - RPSB
      - RPSC
      - RVPO
      - SBSC
      - SCIE
      - SCIR
      - SCRP
      - SHBC
      - SHCC
      - SHSL
      - SLEB
      - SLOA
      - SWBC
      - SWCC
      - SWPT
      - SWSB
      - SWSC
      - TBAS
      - TBBC
      - TBCC
      - TRCP
      - AGRT
      - AREN
      - BEXP
      - BOCE
      - COMC
      - CPYR
      - GDDS
      - GDSV
      - GSCB
      - LICF
      - MP2B
      - POPE
      - ROYA
      - SCVE
      - SERV
      - SUBS
      - SUPP
      - TRAD
      - CHAR
      - COMT
      - MP2P
      - ECPG
      - ECPR
      - ECPU
      - EPAY
      - CLPR
      - COMP
      - DBTC
      - GOVI
      - HLRP
      - HLST
      - INPC
      - INPR
      - INSC
      - INSU
      - INTE
      - LBRI
      - LIFI
      - LOAN
      - LOAR
      - PENO
      - PPTI
      - RELG
      - RINP
      - TRFD
      - FORW
      - FXNT
      - ADMG
      - ADVA
      - BCDM
      - BCFG
      - BLDM
      - BNET
      - CBFF
      - CBFR
      - CCRD
      - CDBL
      - CFEE
      - CGDD
      - CORT
      - COST
      - CPKC
      - DCRD
      - DSMT
      - DVPM
      - EDUC
      - FACT
      - FAND
      - FCPM
      - FEES
      - GIFT
      - GOVT
      - ICCP
      - IDCP
      - IHRP
      - INSM
      - IVPT
      - MCDM
      - MCFG
      - MSVC
      - NOWS
      - OCDM
      - OCFG
      - OFEE
      - OTHR
      - PADD
      - PTSP
      - RCKE
      - RCPT
      - REBT
      - REFU
      - RENT
      - REOD
      - RIMB
      - RPNT
      - RRBN
      - RRCT
      - RRTP
      - RVPM
      - SLPI
      - SPLT
      - STDY
      - TBAN
      - TBIL
      - TCSC
      - TELI
      - TMPG
      - TPRI
      - TPRP
      - TRNC
      - TRVC
      - WEBI
      - IPAY
      - IPCA
      - IPDO
      - IPEA
      - IPEC
      - IPEW
      - IPPS
      - IPRT
      - IPU2
      - IPUW
      - ANNI
      - CAFI
      - CFDI
      - CMDT
      - DERI
      - DIVD
      - FREX
      - HEDG
      - INVS
      - PRME
      - SAVG
      - SECU
      - SEPI
      - TREA
      - UNIT
      - FNET
      - FUTR
      - ANTS
      - CVCF
      - DMEQ
      - DNTS
      - HLTC
      - HLTI
      - HSPC
      - ICRF
      - LTCF
      - MAFC
      - MARF
      - MDCS
      - VIEW
      - CDEP
      - SWFP
      - SWPP
      - SWRS
      - SWUF
      - ADCS
      - AEMP
      - ALLW
      - ALMY
      - BBSC
      - BECH
      - BENE
      - BONU
      - CCHD
      - COMM
      - CSLP
      - GFRP
      - GVEA
      - GVEB
      - GVEC
      - GVED
      - GWLT
      - HREC
      - PAYR
      - PEFC
      - PENS
      - PRCP
      - RHBS
      - SALA
      - SPSP
      - SSBE
      - LBIN
      - LCOL
      - LFEE
      - LMEQ
      - LMFI
      - LMRK
      - LREB
      - LREV
      - LSFL
      - ESTX
      - FWLV
      - GSTX
      - HSTX
      - INTX
      - NITX
      - PTXP
      - RDTX
      - TAXS
      - VATX
      - WHLD
      - TAXR
      - B112
      - BR12
      - TLRF
      - TLRR
      - AIRB
      - BUSB
      - FERB
      - RLWY
      - TRPT
      - CBTV
      - ELEC
      - ENRG
      - GASB
      - NWCH
      - NWCM
      - OTLC
      - PHON
      - UBIL
      - WTER
      - BOND
      - CABD
      - CAEQ
      - CBCR
      - DBCR
      - DICL
      - EQTS
      - FLCR
      - EFTC
      - EFTD
      - MOMA
      - RAPI
      - GAMB
      - LOTT
      - AMEX
      - SASW
      - AUCO
      - PCOM
      - PDEP
      - PLDS
      - PLRF
      - GAFA
      - GAHO
      - CPEN
      - DEPD
      - RETL
      - DEBT
      - CRYP
    OBAddressType2Code:
      description: Identifies the nature of the postal address. For a full set of codes see `OBAddressType2Code` [here](https://github.com/OpenBankingUK/External_Internal_CodeSets).
      type: string
      enum:
      - BIZZ
      - DLVY
      - MLTO
      - PBOX
      - ADDR
      - HOME
      - CORR
      - STAT
    OBRegulatoryAuthority2:
      type: object
      description: 'Entity requiring the regulatory reporting information. '
      properties:
        Name:
          type: string
          description: Name of the entity requiring the regulatory reporting information.
          minLength: 1
          maxLength: 140
        CountryCode:
          $ref: '#/components/schemas/CountryCode'
    OBWriteDomestic2:
      type: object
      additionalProperties: false
      required:
      - Data
      - Risk
      properties:
        Data:
          type: object
          additionalProperties: false
          required:
          - ConsentId
          - Initiation
          properties:
            ConsentId:
              description: 'OB: Unique identification as assigned by the ASPSP to uniquely identify the consent resource.'
              type: string
              minLength: 1
              maxLength: 128
            Initiation:
              type: object
              additionalProperties: false
              required:
              - InstructionIdentification
              - EndToEndIdentification
              - InstructedAmount
              - CreditorAccount
              description: The Initiation payload is sent by the initiating party to the ASPSP. It is used to request movement of funds from the debtor account to a creditor for a single domestic payment.
              properties:
                InstructionIdentification:
                  description: 'Unique identification as assigned by an instructing party for an instructed party to unambiguously identify the instruction.

                    Usage: the  instruction identification is a point to point reference that can be used between the instructing party and the instructed party to refer to the individual instruction. It can be included in several messages related to the instruction.'
                  type: string
                  minLength: 1
                  maxLength: 35
                EndToEndIdentification:
                  description: 'Unique identification assigned by the initiating party to unambiguously identify the transaction. This identification is passed on, unchanged, throughout the entire end-to-end chain.

                    Usage: The end-to-end identification can be used for reconciliation or to link tasks relating to the transaction. It can be included in several messages related to the transaction.

                    OB: The Faster Payments Scheme can only access 31 characters for the EndToEndIdentification field.'
                  type: string
                  minLength: 1
                  maxLength: 35
                LocalInstrument:
                  $ref: '#/components/schemas/OBInternalLocalInstrument1Code'
                InstructedAmount:
                  type: object
                  additionalProperties: false
                  required:
                  - Amount
                  - Currency
                  description: 'Amount of money to be moved between the debtor and creditor, before deduction of charges, expressed in the currency as ordered by the initiating party.

                    Usage: This amount has to be transported unchanged through the transaction chain.'
                  properties:
                    Amount:
                      $ref: '#/components/schemas/OBActiveCurrencyAndAmount_SimpleType'
                    Currency:
                      $ref: '#/components/schemas/ActiveOrHistoricCurrencyCode'
                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/OBInternalAccountIdentification4Code'
                    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'
                    Proxy:
                      $ref: '#/components/schemas/OBProxy1'
                CreditorAgent:
                  type: object
                  additionalProperties: false
                  description: Financial institution servicing an account for the creditor.
                  properties:
                    SchemeName:
                      $ref: '#/components/schemas/OBInternalFinancialInstitutionIdentification4Code'
                    Identification:
                      $ref: '#/components/schemas/Identification_1'
                    Name:
                      $ref: '#/components/schemas/Name'
                    LEI:
                      $ref: '#/components/schemas/LEI'
                    PostalAddress:
                      $ref: '#/components/schemas/OBPostalAddress7'
                CreditorAccount:
                  type: object
                  additionalProperties: false
                  required:
                  - SchemeName
                  - Identification
                  - Name
                  description: Unambiguous identification of the account of the creditor to which a credit entry will be posted as a result of the payment transaction.
                  properties:
                    SchemeName:
                      $ref: '#/components/schemas/OBInternalAccountIdentification4Code'
                    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.

                        Note, the account name is not the product name or the nickname of the account.

                        OB: ASPSPs may carry out name validation for Confirmation of Payee, but it is not mandatory.'
                      type: string
                      minLength: 1
                      maxLength: 350
                    SecondaryIdentification:
                      $ref: '#/components/schemas/SecondaryIdentification'
                    Proxy:
                      $ref: '#/components/schemas/OBProxy1'
                CreditorPostalAddress:
                  $ref: '#/components/schemas/OBPostalAddress7'
                UltimateCreditor:
                  $ref: '#/components/schemas/OBUltimateCreditor1'
                UltimateDebtor:
                  $ref: '#/components/schemas/OBUltimateDebtor1'
                RegulatoryReporting:
                  type: array
                  items:
                    $ref: '#/components/schemas/OBRegulatoryReporting1'
                  maxItems: 10
                RemittanceInformation:
                  $ref: '#/components/schemas/OBRemittanceInformation2'
                SupplementaryData:
                  $ref: '#/components/schemas/OBSupplementaryData1'
        Risk:
          $ref: '#/components/schemas/OBRisk1'
    OBRemittanceInformationStructured:
      type: object
      properties:
        ReferredDocumentInformation:
          type: array
          items:
            $ref: '#/components/schemas/OBReferredDocumentInformation'
        ReferredDocumentAmount:
          $ref: '#/components/schemas/OBActiveCurrencyAndAmount_SimpleType'
        CreditorReferenceInformation:
          description: Reference information provided by the creditor to allow the identification of the underlying documents.
          type: object
          properties:
            Code:
              $ref: '#/components/schemas/ExternalCreditorReferenceType1Code'
            Issuer:
              description: Entity that assigns the identification.
              type: string
              minLength: 1
              maxLength: 35
            Reference:
              description: Unique reference, as assigned by the creditor, to unambiguously refer to the payment transaction.
              type: string
              minLength: 1
              maxLength: 35
        Invoicer:
          $ref: '#/components/schemas/Identification_3'
        Invoicee:
          $ref: '#/components/schemas/Identification_4'
        TaxRemittance:
          description: Provides remittance information about a payment made for tax-related purposes.
          type: string
          maxLength: 140
          minLength: 1
        AdditionalRemittanceInformation:
          description: Additional information, in free text form, to complement the structured remittance information.
          type: array
          items:
            type: string
            maxLength: 140
            minLength: 1
          maxItems: 3
    OBDomesticRefundAccount1:
      description: Unambiguous identification of the refund account to which a refund will be made as a result of the transaction.
      type: object
      additionalProperties: false
      required:
      - Account
      properties:
        Account:
          type: object
          additionalProperties: false
          required:
          - SchemeName
          - Identification
          - Name
          description: Provides the details to identify an account.
          properties:
            SchemeName:
              $ref: '#/components/schemas/OBInternalAccountIdentification4Code'
            Identification:
              $ref: '#/components/schemas/Identification_0'
            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.

                OB: ASPSPs may carry out name validation for Confirmation of Payee, but it is not mandatory.'
              type: string
              minLength: 1
              maxLength: 350
            SecondaryIdentification:
              $ref: '#/components/schemas/SecondaryIdentification'
    OBRemittanceInformation2:
      type: object
      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:
        Structured:
          type: array
          items:
            $ref: '#/components/schemas/OBRemittanceInformationStructured'
        Unstructured:
          type: array
          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.
          items:
            type: string
            maxLength: 140
            minLength: 1
    OBInternalLocalInstrument1Code:
      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. For a full list of values refer to `OBInternalLocalInstrument1Code` in *OB_Internal_CodeSet* [here](https://github.com/OpenBankingUK/External_Internal_CodeSets)'
      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
    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}$|^\d{1,13}\.\d{1,5}$
    SecondaryIdentification:
      description: "This is secondary identification of the account, as assigned by the account servicing institution. \nThis 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
    OBStructuredRegulatoryReporting3:
      type: object
      description: Set of elements used to provide details on the regulatory reporting information.
      properties:
        Type:
          type: string
          description: Specifies the type of the information supplied in the regulatory reporting details
          minLength: 1
          maxLength: 35
        Date:
          $ref: '#/components/schemas/ISODateTime'
        Country:
          $ref: '#/components/schemas/CountryCode'
        Amount:
          $ref: '#/components/schemas/OBActiveOrHistoricCurrencyAndAmount'
        Information:
          description: 'Additional details that cater for specific domestic regulatory requirements. '
          type: array
          items:
            type: string
            minLength: 1
            maxLength: 35
    OBInternalAccountIdentification4Code:
      description: Name of the identification scheme, in a coded form as published in an external list. For a full list of values refer to `OBInternalAccountIdentification4Code` in *OB_Internal_CodeSet* [here](https://github.com/OpenBankingUK/External_Internal_CodeSets)
      type: string
      x-namespaced-enum:
      - UK.OBIE.BBAN
      - UK.OBIE.IBAN
      - UK.OBIE.PAN
      - UK.OBIE.Paym
      - UK.OBIE.SortCodeAccountNumber
      - UK.OBIE.Wallet
    Identification_1:
      description: Unique identification, as assigned by the creditor, to unambiguously identify the mandate.
      type: string
      minLength: 1
      maxLength: 35
    CareOf:
      description

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# Full source: https://raw.githubusercontent.com/api-evangelist/monument-bank/refs/heads/main/openapi/monument-bank-domestic-payments-api-openapi.yml