openapi: 3.2.0
info:
  title: Account and Transaction API Specification Accounts API
  description: 'Swagger for Account and Transaction API Specification.


    **Please Note**: There are no optional fields, if a field is not marked as “Required” it is a Conditional field.

    '
  termsOfService: https://www.openbanking.org.uk/terms
  contact:
    name: Service Desk
    email: ServiceDesk@openbanking.org.uk
  license:
    name: open-licence
    url: https://www.openbanking.org.uk/open-licence
  version: 4.0.1
servers:
- url: /open-banking/v4.0/aisp
tags:
- name: Accounts
paths:
  /accounts:
    get:
      tags:
      - Accounts
      summary: Get Accounts
      description: Enables an AISP to retrieve a list of a PSU's accounts and information about those account(s) that the PSU has consented to.
      operationId: GetAccounts
      parameters:
      - $ref: '#/components/parameters/x-fapi-auth-date'
      - $ref: '#/components/parameters/x-fapi-customer-ip-address'
      - $ref: '#/components/parameters/x-fapi-interaction-id'
      - $ref: '#/components/parameters/Authorization'
      - $ref: '#/components/parameters/x-customer-user-agent'
      - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
      - PSUOAuth2Security:
        - accounts
  /accounts/{AccountId}:
    get:
      tags:
      - Accounts
      summary: Get an Account by AccountId
      description: Enables an AISP to retrieve information about a specific PSU account.
      operationId: GetAccountsAccountId
      parameters:
      - $ref: '#/components/parameters/AccountId'
      - $ref: '#/components/parameters/x-fapi-auth-date'
      - $ref: '#/components/parameters/x-fapi-customer-ip-address'
      - $ref: '#/components/parameters/x-fapi-interaction-id'
      - $ref: '#/components/parameters/Authorization'
      - $ref: '#/components/parameters/x-customer-user-agent'
      - $ref: '#/components/parameters/x-client-id'
      responses:
        '200':
          $ref: '#/components/responses/200AccountsAccountIdRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '403':
          $ref: '#/components/responses/403Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '500':
          $ref: '#/components/responses/500Error'
      security:
      - PSUOAuth2Security:
        - accounts
components:
  schemas:
    PostCode:
      description: Identifier consisting of a group of letters and/or numbers that is added to a postal address to assist the sorting of mail.
      type: string
      example: EC2N 4AG
      minLength: 1
      maxLength: 16
    OBAddressType2Code:
      description: Identifies the nature of the postal address. <br /> For a full set of codes see `OBAddressType2Code` in *OB_Internal_CodeSet* [here](https://github.com/OpenBankingUK/External_Internal_CodeSets).
      type: string
      example: BIZZ
      enum:
      - BIZZ
      - DLVY
      - MLTO
      - PBOX
      - ADDR
      - HOME
      - CORR
      - STAT
    Name_1:
      description: Name by which an agent is known and which is usually used to identify that agent.
      type: string
      example: Agent Name
      minLength: 1
      maxLength: 140
    TownName:
      description: Name of a built-up area, with defined boundaries, and a local government.
      type: string
      example: London
      minLength: 1
      maxLength: 140
    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
    OBFileFormat:
      description: For a full list of enumeration values refer to `ExternalDocumentFormat1Code` in *ISO_External_CodeSet* [here](https://github.com/OpenBankingUK/External_internal_CodeSets)
      type: string
      enum:
      - DPDF
      - DXML
      - SDSH
      - WORD
      - XSLT
      - DCSV
    Room:
      description: Information that locates and identifies a room to form part of an address
      type: string
      example: Basement 03
      minLength: 1
      maxLength: 70
    OBBranchAndFinancialInstitutionIdentification5_0:
      type: object
      required:
      - SchemeName
      - Identification
      description: Party that manages the account on behalf of the account owner, that is manages the registration and booking of entries on the account, calculates balances on the account and provides information about the account.
      properties:
        SchemeName:
          $ref: '#/components/schemas/OBInternalFinancialInstitutionIdentification4Code'
        Identification:
          $ref: '#/components/schemas/Identification_1'
        Name:
          $ref: '#/components/schemas/Name_1'
    UnitNumber:
      description: Number that identifies the unit of a specific address .
      type: string
      example: A88
      minLength: 1
      maxLength: 16
    Description_0:
      description: Specifies the description of the account type.
      type: string
      minLength: 1
      maxLength: 35
    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
    OBReadAccount6:
      type: object
      required:
      - Data
      properties:
        Data:
          type: object
          properties:
            Account:
              type: array
              items:
                $ref: '#/components/schemas/OBAccount6'
        Links:
          $ref: '#/components/schemas/Links'
        Meta:
          $ref: '#/components/schemas/Meta'
      additionalProperties: false
    Nickname:
      description: The nickname of the account, assigned by the account owner in order to provide an additional means of identification of the account.
      type: string
      minLength: 1
      maxLength: 70
    OBFrequency2:
      description: For a full list of enumeration values refer to `OBFrequency2Code` in *OB_Internal_CodeSet* [here](https://github.com/OpenBankingUK/External_internal_CodeSets)
      type: string
      enum:
      - YEAR
      - DAIL
      - INDA
      - MNTH
      - QURT
      - MIAN
      - TEND
      - MOVE
      - WEEK
      - NONE
      - SLCT
    OpeningDate:
      description: "Date on which the account and related basic services are effectively operational for the account owner. 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
    OBInternalSwitchStatusCode:
      description: Specifies the switch status for the account, in a coded form. <br /> For a full list of enumeration values refer to `OBInternalSwitchStatusCode` in *OB_Internal_CodeSet* [here](https://github.com/OpenBankingUK/External_Internal_CodeSets)
      type: string
      x-namespaced-enum:
      - UK.CASS.NotSwitched
      - UK.CASS.SwitchCompleted
    OBCommunicationMethod:
      description: 'For a full list of enumeration values see `OBExternalCommunicationMethod2Code` in *OB_Internal_CodeSet* [here](https://github.com/OpenBankingUK/External_internal_CodeSets) '
      type: string
      enum:
      - EMAL
      - FAXI
      - FILE
      - ONLI
      - POST
    AccountId:
      description: A unique and immutable identifier used to identify the account resource. This identifier has no meaning to the account owner.
      type: string
      example: '22289'
      minLength: 1
      maxLength: 40
    OBError1:
      type: object
      properties:
        ErrorCode:
          $ref: '#/components/schemas/OBExternalStatusReason1Code'
        Message:
          description: 'A description of the error that occurred. e.g., ''A mandatory field isn''t supplied'' or ''RequestedExecutionDateTime must be in future''

            OBL 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
      additionalProperties: false
      minProperties: 1
    OBInternalAccountStatus1Code:
      description: 'Specifies the status of account resource in code form. <br />

        For a full list of enumeration values refer to `OBInternalAccountStatus1Code` in *OB_Internal_CodeSet* [here](https://github.com/OpenBankingUK/External_Internal_CodeSets)'
      type: string
      example: Enabled
      enum:
      - Deleted
      - Disabled
      - Enabled
      - Pending
      - ProForma
    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
      example: '87562298675897'
      minLength: 1
      maxLength: 34
    OBErrorResponse1:
      description: An array of detail error codes, and messages, and URLs to documentation to help remediation.
      type: object
      properties:
        Id:
          description: A unique reference for the error instance, for audit purposes, in case of unknown/unclassified errors.
          type: string
          minLength: 1
          maxLength: 40
        Code:
          description: Deprecated <br />High level textual error code, to help categorise the errors.
          type: string
          minLength: 1
          example: 400 BadRequest
          maxLength: 40
        Message:
          description: Deprecated <br />Brief Error message
          type: string
          minLength: 1
          example: There is something wrong with the request parameters provided
          maxLength: 500
        Errors:
          items:
            $ref: '#/components/schemas/OBError1'
          type: array
          minItems: 1
      required:
      - Errors
      additionalProperties: false
    DistrictName:
      description: Number that of the regional area, known as a district, which forms part of an address
      type: string
      example: Greater London
      minLength: 1
      maxLength: 140
    OBInternalAccountType1Code:
      description: Specifies the type of account (personal or business). <br /> For a full list of enumeration values refer to 'OBInternalAccountType1Code' in *OB_Internal_CodeSet* [here](https://github.com/OpenBankingUK/External_Internal_CodeSets)
      type: string
      enum:
      - Business
      - Personal
    OBExternalStatusReason1Code:
      description: Low level textual error code, for all enum values see `OBExternalStatusReason1Code` in *OB_Internal_CodeSet* [here](https://github.com/OpenBankingUK/External_Internal_CodeSets)
      type: string
      minLength: 4
      maxLength: 4
      example: U001
    PostBox:
      description: Information that locates and identifies a box in a post office assigned to a person or organization, where letters for them are kept until called for.
      type: string
      example: PO Box 123456
      minLength: 1
      maxLength: 16
    BuildingName:
      description: Name of a referenced building.
      type: string
      minLength: 1
      maxLength: 140
    OBAccount6:
      type: object
      description: "Unambiguous identification of the account to which credit and debit entries are made. The following fields are optional only for accounts that are switched:\n\n  * Data.Currency  \n  * Data.AccountCategory  \n  * Data.AccountTypeCode\n\nFor all other accounts, the fields must be populated by the ASPSP."
      required:
      - AccountId
      properties:
        AccountId:
          $ref: '#/components/schemas/AccountId'
        Status:
          $ref: '#/components/schemas/OBInternalAccountStatus1Code'
        StatusUpdateDateTime:
          $ref: '#/components/schemas/StatusUpdateDateTime'
        Currency:
          $ref: '#/components/schemas/ActiveOrHistoricCurrencyCode_0'
        AccountCategory:
          $ref: '#/components/schemas/OBInternalAccountType1Code'
        AccountTypeCode:
          $ref: '#/components/schemas/OBExternalAccountSubType1Code'
        Description:
          $ref: '#/components/schemas/Description_0'
        Nickname:
          $ref: '#/components/schemas/Nickname'
        OpeningDate:
          $ref: '#/components/schemas/OpeningDate'
        MaturityDate:
          $ref: '#/components/schemas/MaturityDate'
        SwitchStatus:
          $ref: '#/components/schemas/OBInternalSwitchStatusCode'
        Account:
          type: array
          items:
            type: object
            description: Provides the details to identify an account.
            required:
            - SchemeName
            - Identification
            properties:
              SchemeName:
                $ref: '#/components/schemas/OBInternalAccountIdentification4Code'
              Identification:
                $ref: '#/components/schemas/Identification_0'
              Name:
                $ref: '#/components/schemas/Name_0'
              LEI:
                $ref: '#/components/schemas/LEI'
              SecondaryIdentification:
                $ref: '#/components/schemas/SecondaryIdentification'
        StatementFrequencyAndFormat:
          $ref: '#/components/schemas/StatementFrequencyAndFormat'
        Servicer:
          $ref: '#/components/schemas/OBBranchAndFinancialInstitutionIdentification5_0'
      additionalProperties: false
    OBInternalFinancialInstitutionIdentification4Code:
      description: Name of the identification scheme, in a coded form as published in an external list.<br/> For a full list of enumeration values refer to `OBInternalFinancialInstitutionIdentification4Code` in *OB_Internal_CodeSet* [here](https://github.com/OpenBankingUK/External_Internal_CodeSets)
      type: string
      example: UK.OBIE.BICFI
      x-namespaced-enum:
      - UK.OBIE.BICFI
    ActiveOrHistoricCurrencyCode_0:
      description: "Identification of the currency in which the account is held. \nUsage: Currency should only be used in case one and the same account number covers several currencies\nand the initiating party needs to identify which currency needs to be used for settlement on the account."
      type: string
      pattern: ^[A-Z]{3,3}$
    StreetName:
      description: Name of a street or thoroughfare.
      type: string
      example: Bank Street
      minLength: 1
      maxLength: 140
    Floor:
      description: Number that identifies the level within a building
      type: string
      example: '11'
      minLength: 1
      maxLength: 70
    MaturityDate:
      description: "Maturity date of the account. 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
    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
    Identification_1:
      description: Unique and unambiguous identification of the servicing institution.
      type: string
      example: '80200112344562'
      minLength: 1
      maxLength: 35
    OBInternalAccountIdentification4Code:
      description: Name of the identification scheme, in a coded form as published in an external list. <br /> For a full list of enumeration 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_0:
      description: Identification assigned by an institution to identify an account. This identification is known by the account owner.
      type: string
      example: '80200112344562'
      minLength: 1
      maxLength: 256
    OBPostalAddress7:
      type: object
      description: Information that locates and identifies a specific address, as defined by postal services.
      properties:
        AddressType:
          $ref: '#/components/schemas/OBAddressType2Code'
        Department:
          description: Identification of a division of a large organisation or building.
          example: Finance
          type: string
          minLength: 1
          maxLength: 70
        SubDepartment:
          description: Identification of a sub-division of a large organisation or building.
          example: Payroll
          type: string
          minLength: 1
          maxLength: 70
        StreetName:
          $ref: '#/components/schemas/StreetName'
        BuildingNumber:
          $ref: '#/components/schemas/BuildingNumber'
        BuildingName:
          $ref: '#/components/schemas/BuildingName'
        Floor:
          $ref: '#/components/schemas/Floor'
        UnitNumber:
          $ref: '#/components/schemas/UnitNumber'
        Room:
          $ref: '#/components/schemas/Room'
        PostBox:
          $ref: '#/components/schemas/PostBox'
        TownLocationName:
          $ref: '#/components/schemas/TownName'
        DistrictName:
          $ref: '#/components/schemas/DistrictName'
        CareOf:
          $ref: '#/components/schemas/CareOf'
        PostCode:
          $ref: '#/components/schemas/PostCode'
        TownName:
          $ref: '#/components/schemas/TownName'
        CountrySubDivision:
          description: Identifies a subdivision of a country such as state, region, county.
          type: string
          minLength: 1
          maxLength: 35
        Country:
          description: Nation with its own government.
          type: string
          pattern: ^[A-Z]{2,2}$
        AddressLine:
          type: array
          items:
            description: Information that locates and identifies a specific address, as defined by postal services, presented in free format text.
            type: string
            minLength: 1
            maxLength: 70
          minItems: 0
          maxItems: 7
    Name_0:
      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
      example: Jane Smith
      minLength: 1
      maxLength: 350
    LEI:
      description: Legal entity identification as an alternate identification for a party. Legal Entity Identifier is a code allocated to a party as described in ISO 17442 "Financial Services - Legal Entity Identifier (LEI)".
      type: string
      example: IZ9Q00LZEVUKWCQY6X15
      minLength: 1
      maxLength: 20
      pattern: ^[A-Z0-9]{18,18}[0-9]{2,2}$
    BuildingNumber:
      description: Number that identifies the position of a building on a street.
      type: string
      example: '11'
      minLength: 1
      maxLength: 16
    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
    CareOf:
      description: The 'care of' address is used whenever sending mail to a person or organisation who does not actually live or work at the address. They will receive the mail for the individual.
      type: string
      example: Jane Smith
      minLength: 1
      maxLength: 140
    OBExternalAccountSubType1Code:
      description: Specifies the sub type of account (product family group) <br /> For a full list of enumeration values refer to `OBExternalCashAccountType1Code` *OB_Internal_CodeSet* [here](https://github.com/OpenBankingUK/External_Internal_CodeSets)
      type: string
      enum:
      - CACC
      - CARD
      - CASH
      - CHAR
      - CISH
      - COMM
      - CPAC
      - LLSV
      - LOAN
      - MGLD
      - MOMA
      - NREX
      - ODFT
      - ONDP
      - OTHR
      - SACC
      - SLRY
      - SVGS
      - TAXE
      - TRAN
      - TRAS
      - VACC
      - NFCA
      - MORT
      - WALT
    StatementFrequencyAndFormat:
      type: array
      items:
        type: object
        description: Frequency and format of statements for an account
        properties:
          Frequency:
            $ref: '#/components/schemas/OBFrequency2'
          CommunicationMethod:
            $ref: '#/components/schemas/OBCommunicationMethod'
          Format:
            $ref: '#/components/schemas/OBFileFormat'
          DeliveryAddress:
            $ref: '#/components/schemas/OBPostalAddress7'
  parameters:
    AccountId:
      name: AccountId
      in: path
      description: AccountId
      required: true
      schema:
        type: string
    x-fapi-interaction-id:
      in: header
      name: x-fapi-interaction-id
      required: false
      description: An RFC4122 UID used as a correlation id.
      schema:
        type: string
    x-customer-user-agent:
      in: header
      name: x-customer-user-agent
      description: Indicates the user-agent that the PSU is using.
      required: false
      schema:
        type: string
    x-fapi-customer-ip-address:
      in: header
      name: x-fapi-customer-ip-address
      required: false
      description: The PSU's IP address if the PSU is currently logged in with the TPP.
      schema:
        type: string
    Authorization:
      in: header
      name: Authorization
      required: true
      description: An Authorisation Token as per https://tools.ietf.org/html/rfc6750
      schema:
        type: string
    x-fapi-auth-date:
      in: header
      name: x-fapi-auth-date
      required: false
      description: "The time when the PSU last logged in with the TPP. \nAll dates in the HTTP headers are represented as RFC 7231 Full Dates. An example is below: \nSun, 10 Sep 2017 19:43:31 UTC"
      schema:
        type: string
        pattern: ^(Mon|Tue|Wed|Thu|Fri|Sat|Sun), \d{2} (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d{4} \d{2}:\d{2}:\d{2} (GMT|UTC)$
    x-client-id:
      in: header
      name: x-client-id
      required: false
      description: "Only used if an ASPSP requires the client ID in order to return rate limit headers. \n\nTPPs __must__ refer to ASPSP developer portals for further information on any rate limit policies, if the headers are supported and any additional requirements.\n\nThis header __must not__ be used for client authentication\n"
      schema:
        type: string
  responses:
    200AccountsRead:
      description: Accounts Read
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          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/OBReadAccount6'
        application/json:
          schema:
            $ref: '#/components/schemas/OBReadAccount6'
        application/jose+jwe:
          schema:
            $ref: '#/components/schemas/OBReadAccount6'
    403Error:
      description: Forbidden
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          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
    405Error:
      description: Method Not Allowed
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          required: true
          schema:
            type: string
    200AccountsAccountIdRead:
      description: Accounts Read
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          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/OBReadAccount6'
        application/json:
          schema:
            $ref: '#/components/schemas/OBReadAccount6'
        application/jose+jwe:
          schema:
            $ref: '#/components/schemas/OBReadAccount6'
    500Error:
      description: Internal Server Error
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          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'
    401Error:
      description: Unauthorized
      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.
          schema:
            type: string
    400Error:
      description: Bad request
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          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'
  headers:
    RateLimit:
      required: false
      description: 'TPPs __must__ refer to ASPSP developer portals for further information on any rate limit policies, if the headers are supported and any additional requirements.


        A server uses the "RateLimit" response header field to communicate the current service limit for a quota policy for a particular partition key.


        Example:

        `RateLimit: "default";r=50;t=30`


        The **REQUIRED** "r" parameter value conveys the remaining quota units for the identified policy.


        The **OPTIONAL** "t" parameter value conveys the time window reset time for the identified policy.

        '
      schema:
        type: string
    RateLimit-Policy:
      required: false
      description: 'TPPs __must__ refer to ASPSP developer portals for further information on any rate limit policies, if the headers are supported and any additional requirements.


        A non-empty list of Quota Policy Items. The Item value __MUST__ be a String.


        Example:

        `RateLimit-Policy: "default";q=100;w=10`


        The **REQUIRED** "q" parameter indicates the quota allocated by this policy measured in quota units.


        The **OPTIONAL** "w" parameter value conveys a time window.

        '
      schema:
        type: string
  securitySchemes:
    TPPOAuth2Security:
      type: oauth2
      description: TPP client credential authorisation flow with the ASPSP
      flows:
        clientCredentials:
          tokenUrl: https://authserver.example/token
          scopes:
            accounts: Ability to read Accounts information
    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:
            accounts: Ability to read Accounts information