BankSA Banking Account Balances API

openapi: 3.0.3
info:
  contact:
    email: contact@dsb.gov.au
    name: Data Standards Body
    url: https://dsb.gov.au/
  description: Specifications for resource endpoints applicable to data holders in the Banking sector.
  license:
    name: MIT License
    url: https://opensource.org/licenses/MIT
  title: CDR Banking Banking Account Balances API
  version: 1.36.0
servers:
- description: MTLS
  url: https://mtls.dh.example.com/cds-au/v1
tags:
- description: Banking Account Balance endpoints
  name: Banking Account Balances
  x-shortName: Account Balances
paths:
  /banking/accounts/balances:
    get:
      description: 'Obtain balances for multiple, filtered accounts.


        Obsolete versions: [v1](includes/obsolete/get-bulk-balances-v1.html).'
      operationId: listBankingBalancesBulk
      parameters:
      - description: Used to filter results on the _productCategory_ field applicable to accounts. Any one of the valid values for this field can be supplied. If absent then all accounts returned.
        explode: true
        in: query
        name: product-category
        required: false
        schema:
          $ref: '#/components/schemas/BankingProductCategoryV2'
        style: form
      - description: Used to filter results according to open/closed status. Values can be `OPEN`, `CLOSED` or `ALL`. If absent then `ALL` is assumed.
        explode: true
        in: query
        name: open-status
        required: false
        schema:
          default: ALL
          enum:
          - ALL
          - CLOSED
          - OPEN
          type: string
        style: form
      - description: Filters accounts based on whether they are owned by the authorised customer. `true` for owned accounts, `false` for unowned accounts and absent for all accounts.
        explode: true
        in: query
        name: is-owned
        required: false
        schema:
          type: boolean
        style: form
      - description: Page of results to request (standard pagination).
        explode: true
        in: query
        name: page
        required: false
        schema:
          default: 1
          type: integer
        style: form
        x-cds-type: PositiveInteger
      - description: Page size to request. Default is 25 (standard pagination).
        explode: true
        in: query
        name: page-size
        required: false
        schema:
          default: 25
          type: integer
        style: form
        x-cds-type: PositiveInteger
      - description: Version of the API endpoint requested by the client. Must be set to a positive integer. The endpoint should respond with the highest supported version between [_x-min-v_](#request-headers) and [_x-v_](#request-headers). If the value of [_x-min-v_](#request-headers) is equal to or higher than the value of [_x-v_](#request-headers) then the [_x-min-v_](#request-headers) header should be treated as absent. If all versions requested are not supported then the endpoint **MUST** respond with a `406 Not Acceptable`. See [HTTP Headers](#request-headers).
        explode: false
        in: header
        name: x-v
        required: true
        schema:
          type: string
        style: simple
      - description: Minimum version of the API endpoint requested by the client. Must be set to a positive integer if provided. The endpoint should respond with the highest supported version between [_x-min-v_](#request-headers) and [_x-v_](#request-headers). If all versions requested are not supported then the endpoint **MUST** respond with a `406 Not Acceptable`.
        explode: false
        in: header
        name: x-min-v
        required: false
        schema:
          type: string
        style: simple
      - description: An **[[RFC4122]](#nref-RFC4122)** UUID used as a correlation id. If provided, the data holder **MUST** play back this value in the _x-fapi-interaction-id_ response header. If not provided a **[[RFC4122]](#nref-RFC4122)** UUID value is required to be provided in the response header to track the interaction.
        explode: false
        in: header
        name: x-fapi-interaction-id
        required: false
        schema:
          type: string
        style: simple
      - description: The time when the customer last logged in to the Data Recipient Software Product as described in **[[FAPI-1.0-Baseline]](#nref-FAPI-1-0-Baseline)**. Required for all resource calls (customer present and unattended). Not required for unauthenticated calls.
        explode: false
        in: header
        name: x-fapi-auth-date
        required: false
        schema:
          type: string
        style: simple
        x-conditional: true
      - description: The customer's original IP address if the customer is currently logged in to the Data Recipient Software Product. The presence of this header indicates that the API is being called in a customer present context. Not to be included for unauthenticated calls.
        explode: false
        in: header
        name: x-fapi-customer-ip-address
        required: false
        schema:
          type: string
        style: simple
      - description: The customer's original standard http headers [Base64](#common-field-types) encoded, including the original User-Agent header, if the customer is currently logged in to the Data Recipient Software Product. Mandatory for customer present calls. Not required for unattended or unauthenticated calls.
        explode: false
        in: header
        name: x-cds-client-headers
        required: false
        schema:
          type: string
        style: simple
        x-conditional: true
        x-cds-type: Base64
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseBankingAccountsBalanceList'
          description: Successful response
          headers:
            x-v:
              $ref: '#/components/headers/XV'
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '400':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[400 - Invalid Field](#error-400-field-invalid)</li><li>[400 - Missing Required Field](#error-400-field-missing)</li><li>[400 - Missing Required Header](#error-400-header-missing)</li><li>[400 - Invalid Version](#error-400-header-invalid-version)</li><li>[400 - Invalid Page Size](#error-400-field-invalid-page-size)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '406':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[406 - Unsupported Version](#error-406-header-unsupported-version)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[422 - Invalid Page](#error-422-field-invalid-page)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
      summary: Get Bulk Balances
      tags:
      - Banking Account Balances
      x-scopes:
      - bank:accounts.basic:read
      x-version: '2'
    post:
      description: Obtain balances for a specified list of accounts.
      operationId: listBankingBalancesSpecificAccounts
      parameters:
      - description: Page of results to request (standard pagination).
        explode: true
        in: query
        name: page
        required: false
        schema:
          default: 1
          type: integer
        style: form
        x-cds-type: PositiveInteger
      - description: Page size to request. Default is 25 (standard pagination).
        explode: true
        in: query
        name: page-size
        required: false
        schema:
          default: 25
          type: integer
        style: form
        x-cds-type: PositiveInteger
      - description: Version of the API endpoint requested by the client. Must be set to a positive integer. The endpoint should respond with the highest supported version between [_x-min-v_](#request-headers) and [_x-v_](#request-headers). If the value of [_x-min-v_](#request-headers) is equal to or higher than the value of [_x-v_](#request-headers) then the [_x-min-v_](#request-headers) header should be treated as absent. If all versions requested are not supported then the endpoint **MUST** respond with a `406 Not Acceptable`. See [HTTP Headers](#request-headers).
        explode: false
        in: header
        name: x-v
        required: true
        schema:
          type: string
        style: simple
      - description: Minimum version of the API endpoint requested by the client. Must be set to a positive integer if provided. The endpoint should respond with the highest supported version between [_x-min-v_](#request-headers) and [_x-v_](#request-headers). If all versions requested are not supported then the endpoint **MUST** respond with a `406 Not Acceptable`.
        explode: false
        in: header
        name: x-min-v
        required: false
        schema:
          type: string
        style: simple
      - description: An **[[RFC4122]](#nref-RFC4122)** UUID used as a correlation id. If provided, the data holder **MUST** play back this value in the _x-fapi-interaction-id_ response header. If not provided a **[[RFC4122]](#nref-RFC4122)** UUID value is required to be provided in the response header to track the interaction.
        explode: false
        in: header
        name: x-fapi-interaction-id
        required: false
        schema:
          type: string
        style: simple
      - description: The time when the customer last logged in to the Data Recipient Software Product as described in **[[FAPI-1.0-Baseline]](#nref-FAPI-1-0-Baseline)**. Required for all resource calls (customer present and unattended). Not required for unauthenticated calls.
        explode: false
        in: header
        name: x-fapi-auth-date
        required: false
        schema:
          type: string
        style: simple
        x-conditional: true
      - description: The customer's original IP address if the customer is currently logged in to the Data Recipient Software Product. The presence of this header indicates that the API is being called in a customer present context. Not to be included for unauthenticated calls.
        explode: false
        in: header
        name: x-fapi-customer-ip-address
        required: false
        schema:
          type: string
        style: simple
      - description: The customer's original standard http headers [Base64](#common-field-types) encoded, including the original User-Agent header, if the customer is currently logged in to the Data Recipient Software Product. Mandatory for customer present calls. Not required for unattended or unauthenticated calls.
        explode: false
        in: header
        name: x-cds-client-headers
        required: false
        schema:
          type: string
        style: simple
        x-conditional: true
        x-cds-type: Base64
      requestBody:
        $ref: '#/components/requestBodies/RequestAccountIds'
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseBankingAccountsBalanceList'
          description: Successful response
          headers:
            x-v:
              $ref: '#/components/headers/XV'
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '400':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[400 - Invalid Field](#error-400-field-invalid)</li><li>[400 - Missing Required Field](#error-400-field-missing)</li><li>[400 - Missing Required Header](#error-400-header-missing)</li><li>[400 - Invalid Version](#error-400-header-invalid-version)</li><li>[400 - Invalid Page Size](#error-400-field-invalid-page-size)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '406':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[406 - Unsupported Version](#error-406-header-unsupported-version)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[422 - Invalid Page](#error-422-field-invalid-page)</li><li>[422 - Unavailable Banking Account](#error-422-authorisation-unavailable-banking-account)</li><li>[422 - Invalid Banking Account](#error-422-authorisation-invalid-banking-account)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
      summary: Get Balances For Specific Accounts
      tags:
      - Banking Account Balances
      x-scopes:
      - bank:accounts.basic:read
      x-version: '1'
  /banking/accounts/{accountId}/balance:
    get:
      description: Obtain the balance for a single specified account.
      operationId: getBankingBalance
      parameters:
      - description: The _accountId_ to obtain data for. _accountId_ values are returned by account list endpoints.
        explode: false
        in: path
        name: accountId
        required: true
        schema:
          $ref: '#/components/schemas/BankingAccountId'
        style: simple
      - description: Version of the API endpoint requested by the client. Must be set to a positive integer. The endpoint should respond with the highest supported version between [_x-min-v_](#request-headers) and [_x-v_](#request-headers). If the value of [_x-min-v_](#request-headers) is equal to or higher than the value of [_x-v_](#request-headers) then the [_x-min-v_](#request-headers) header should be treated as absent. If all versions requested are not supported then the endpoint **MUST** respond with a `406 Not Acceptable`. See [HTTP Headers](#request-headers).
        explode: false
        in: header
        name: x-v
        required: true
        schema:
          type: string
        style: simple
      - description: Minimum version of the API endpoint requested by the client. Must be set to a positive integer if provided. The endpoint should respond with the highest supported version between [_x-min-v_](#request-headers) and [_x-v_](#request-headers). If all versions requested are not supported then the endpoint **MUST** respond with a `406 Not Acceptable`.
        explode: false
        in: header
        name: x-min-v
        required: false
        schema:
          type: string
        style: simple
      - description: An **[[RFC4122]](#nref-RFC4122)** UUID used as a correlation id. If provided, the data holder **MUST** play back this value in the _x-fapi-interaction-id_ response header. If not provided a **[[RFC4122]](#nref-RFC4122)** UUID value is required to be provided in the response header to track the interaction.
        explode: false
        in: header
        name: x-fapi-interaction-id
        required: false
        schema:
          type: string
        style: simple
      - description: The time when the customer last logged in to the Data Recipient Software Product as described in **[[FAPI-1.0-Baseline]](#nref-FAPI-1-0-Baseline)**. Required for all resource calls (customer present and unattended). Not required for unauthenticated calls.
        explode: false
        in: header
        name: x-fapi-auth-date
        required: false
        schema:
          type: string
        style: simple
        x-conditional: true
      - description: The customer's original IP address if the customer is currently logged in to the Data Recipient Software Product. The presence of this header indicates that the API is being called in a customer present context. Not to be included for unauthenticated calls.
        explode: false
        in: header
        name: x-fapi-customer-ip-address
        required: false
        schema:
          type: string
        style: simple
      - description: The customer's original standard http headers [Base64](#common-field-types) encoded, including the original User-Agent header, if the customer is currently logged in to the Data Recipient Software Product. Mandatory for customer present calls. Not required for unattended or unauthenticated calls.
        explode: false
        in: header
        name: x-cds-client-headers
        required: false
        schema:
          type: string
        style: simple
        x-conditional: true
        x-cds-type: Base64
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseBankingAccountsBalanceById'
          description: Successful response
          headers:
            x-v:
              $ref: '#/components/headers/XV'
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '400':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[400 - Invalid Field](#error-400-field-invalid)</li><li>[400 - Missing Required Field](#error-400-field-missing)</li><li>[400 - Missing Required Header](#error-400-header-missing)</li><li>[400 - Invalid Version](#error-400-header-invalid-version)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '404':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[404 - Unavailable Banking Account](#error-404-authorisation-unavailable-banking-account)</li><li>[404 - Invalid Banking Account](#error-404-authorisation-invalid-banking-account)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
        '406':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseErrorListV2'
          description: The following error codes **MUST** be supported:<br/><ul class="error-code-list"><li>[406 - Unsupported Version](#error-406-header-unsupported-version)</li></ul>
          headers:
            x-fapi-interaction-id:
              $ref: '#/components/headers/XFAPIInteractionId'
      summary: Get Account Balance
      tags:
      - Banking Account Balances
      x-scopes:
      - bank:accounts.basic:read
      x-version: '1'
components:
  schemas:
    ErrorV2:
      properties:
        code:
          description: The code of the error encountered. Where the error is specific to the respondent, an application-specific error code, expressed as a string value. If the error is application-specific, the URN code that the specific error extends must be provided in the _meta_ object. Otherwise, the value is the error code URN.
          type: string
        title:
          description: A short, human-readable summary of the problem that **MUST NOT** change from occurrence to occurrence of the problem represented by the error code.
          type: string
        detail:
          description: A human-readable explanation specific to this occurrence of the problem.
          type: string
        meta:
          $ref: '#/components/schemas/ErrorV2_meta'
      required:
      - code
      - detail
      - title
      type: object
      x-conditional:
      - meta
    LinksPaginated:
      example:
        next: next
        last: last
        prev: prev
        self: self
        first: first
      properties:
        self:
          description: Fully qualified link that generated the current response document.
          type: string
          x-cds-type: URIString
        first:
          description: URI to the first page of this set. Mandatory if this response is not the first page.
          type: string
          x-cds-type: URIString
        prev:
          description: URI to the previous page of this set. Mandatory if this response is not the first page.
          type: string
          x-cds-type: URIString
        next:
          description: URI to the next page of this set. Mandatory if this response is not the last page.
          type: string
          x-cds-type: URIString
        last:
          description: URI to the last page of this set. Mandatory if this response is not the last page.
          type: string
          x-cds-type: URIString
      required:
      - self
      type: object
      x-conditional:
      - prev
      - next
      - first
      - last
    ResponseBankingAccountsBalanceList:
      example:
        data:
          balances:
          - accountId: ''
            purses:
            - amount: amount
              currency: currency
            - amount: amount
              currency: currency
            amortisedLimit: '0.00'
            currentBalance: currentBalance
            creditLimit: '0.00'
            currency: AUD
            availableBalance: availableBalance
          - accountId: ''
            purses:
            - amount: amount
              currency: currency
            - amount: amount
              currency: currency
            amortisedLimit: '0.00'
            currentBalance: currentBalance
            creditLimit: '0.00'
            currency: AUD
            availableBalance: availableBalance
        meta:
          totalRecords: 0
          totalPages: 6
        links:
          next: next
          last: last
          prev: prev
          self: self
          first: first
      properties:
        data:
          $ref: '#/components/schemas/ResponseBankingAccountsBalanceList_data'
        links:
          $ref: '#/components/schemas/LinksPaginated'
        meta:
          $ref: '#/components/schemas/MetaPaginated'
      required:
      - data
      - links
      - meta
      type: object
    BankingBalancePurse:
      example:
        amount: amount
        currency: currency
      properties:
        amount:
          description: The balance available for this additional currency purse.
          type: string
          x-cds-type: AmountString
        currency:
          description: The currency for the purse.
          type: string
          x-cds-type: CurrencyString
      required:
      - amount
      type: object
    Links:
      example:
        self: self
      properties:
        self:
          description: Fully qualified link that generated the current response document.
          type: string
          x-cds-type: URIString
      required:
      - self
      type: object
    ResponseErrorListV2:
      properties:
        errors:
          description: List of errors.
          items:
            $ref: '#/components/schemas/ErrorV2'
          type: array
      required:
      - errors
      type: object
    ResponseBankingAccountsBalanceById:
      example:
        data:
          accountId: ''
          purses:
          - amount: amount
            currency: currency
          - amount: amount
            currency: currency
          amortisedLimit: '0.00'
          currentBalance: currentBalance
          creditLimit: '0.00'
          currency: AUD
          availableBalance: availableBalance
        meta: '{}'
        links:
          self: self
      properties:
        data:
          $ref: '#/components/schemas/BankingBalance'
        links:
          $ref: '#/components/schemas/Links'
        meta:
          type: object
      required:
      - data
      - links
      type: object
    RequestAccountIdListV1_data:
      example:
        accountIds:
        - null
        - null
      properties:
        accountIds:
          description: Array of _accountId_ values to obtain data for.
          items:
            $ref: '#/components/schemas/BankingAccountId'
          type: array
      required:
      - accountIds
      type: object
    ErrorV2_meta:
      description: Additional data for customised error codes.
      properties:
        urn:
          description: The CDR error code URN which the application-specific error code extends. Mandatory if the error _code_ is an application-specific error rather than a standardised error code.
          type: string
      type: object
      x-conditional:
      - urn
    MetaPaginated:
      example:
        totalRecords: 0
        totalPages: 6
      properties:
        totalRecords:
          description: The total number of records in the full set. See [pagination](#pagination).
          type: integer
          x-cds-type: NaturalNumber
        totalPages:
          description: The total number of pages in the full set. See [pagination](#pagination).
          type: integer
          x-cds-type: NaturalNumber
      required:
      - totalPages
      - totalRecords
      type: object
    RequestAccountIdListV1:
      example:
        data:
          accountIds:
          - null
          - null
        meta: '{}'
      properties:
        data:
          $ref: '#/components/schemas/RequestAccountIdListV1_data'
        meta:
          type: object
      required:
      - data
      type: object
    BankingProductCategoryV2:
      description: The category to which a product or account belongs. See [here](#product-categories) for more details.
      enum:
      - BUSINESS_LOANS
      - BUY_NOW_PAY_LATER
      - CRED_AND_CHRG_CARDS
      - LEASES
      - MARGIN_LOANS
      - OVERDRAFTS
      - PERS_LOANS
      - REGULATED_TRUST_ACCOUNTS
      - RESIDENTIAL_MORTGAGES
      - TERM_DEPOSITS
      - TRADE_FINANCE
      - TRANS_AND_SAVINGS_ACCOUNTS
      - TRAVEL_CARDS
      type: string
    BankingBalance:
      example:
        accountId: ''
        purses:
        - amount: amount
          currency: currency
        - amount: amount
          currency: currency
        amortisedLimit: '0.00'
        currentBalance: currentBalance
        creditLimit: '0.00'
        currency: AUD
        availableBalance: availableBalance
      properties:
        accountId:
          allOf:
          - $ref: '#/components/schemas/BankingAccountId'
          description: Unique identifier for the account.
        currentBalance:
          description: The balance of the account at this time. Should align to the balance available via other channels such as Internet Banking. Assumed to be negative if the customer has money owing.
          type: string
          x-cds-type: AmountString
        availableBalance:
          description: Balance representing the amount of funds available for transfer. Assumed to be zero or positive.
          type: string
          x-cds-type: AmountString
        creditLimit:
          default: '0.00'
          description: Object representing the maximum amount of credit that is available for this account. Assumed to be zero if absent.
          type: string
          x-cds-type: AmountString
        amortisedLimit:
          default: '0.00'
          description: Object representing the available limit amortised according to payment schedule. Assumed to be zero if absent.
          type: string
          x-cds-type: AmountString
        currency:
          default: AUD
          description: The currency for the balance amounts. If absent assumed to be `AUD`.
          type: string
          x-cds-type: CurrencyString
        purses:
          description: Optional array of balances for the account in other currencies. Included to support accounts that support multi-currency purses such as Travel Cards.
          items:
            $ref: '#/components/schemas/BankingBalancePurse'
          type: array
      required:
      - accountId
      - availableBalance
      - currentBalance
      type: object
    ResponseBankingAccountsBalanceList_data:
      example:
        balances:
        - accountId: ''
          purses:
          - amount: amount
            currency: currency
          - amount: amount
            currency: currency
          amortisedLimit: '0.00'
          currentBalance: currentBalance
          creditLimit: '0.00'
          currency: AUD
          availableBalance: availableBalance
        - accountId: ''
          purses:
          - amount: amount
            currency: currency
          - amount: amount
            currency: currency
          amortisedLimit: '0.00'
          currentBalance: currentBalance
          creditLimit: '0.00'
          currency: AUD
          availableBalance: availableBalance
      properties:
        balances:
          description: The list of balances returned.
          items:
            $ref: '#/components/schemas/BankingBalance'
          type: array
      required:
      - balances
      type: object
    BankingAccountId:
      description: A unique identifier for a Banking account, generated according to [CDR ID Permanence](#id-permanence) requirements.
      type: string
      x-cds-type: ASCIIString
  requestBodies:
    RequestAccountIds:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/RequestAccountIdListV1'
      description: Request payload containing a list of _accountId_ values to obtain data for.
      required: true
  headers:
    XFAPIInteractionId:
      description: An **[[RFC4122]](#nref-RFC4122)** UUID used as a correlation id. If provided, the data holder **MUST** play back this value in the _x-fapi-interaction-id_ response header. If not provided a **[[RFC4122]](#nref-RFC4122)** UUID value is required to be provided in the response header to track the interaction.
      explode: false
      required: true
      schema:
        type: string
      style: simple
    XV:
      description: The [payload version](#response-headers) that the endpoint has responded with.
      explode: false
      required: true
      schema:
        type: string
      style: simple