> ## Documentation Index
> Fetch the complete documentation index at: https://docs.services.payward.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get funding address

> Returns one user-added funding address registered for the selected account.



## OpenAPI

````yaml https://d2588n1sy4m36o.cloudfront.net/uat/merged/openapi.json get /v1/accounts/{account_id}/funds/addresses/{address_id}
openapi: 3.1.0
info:
  title: PWS Public API
  version: '1'
  description: >-
    Integrate with Payward Services to onboard users, manage accounts and funds,
    trade assets, and receive event notifications.
  contact:
    name: Payward Services
servers:
  - url: https://api.sandbox.services.payward.com
security: []
tags:
  - name: Assets
    description: List the assets PWS is willing to swap.
    x-displayName: Assets
  - name: Conversions
    description: >-
      Rule-driven and on-demand fiat ↔ crypto value movement, including
      conversion rules and deposits.
    x-displayName: Conversions
  - name: Auto Earn
    description: >-
      Manage Auto Earn preferences and retrieve allocation and reward
      information.
    x-displayName: Auto Earn
  - name: Bonded Earn
    description: >-
      Allocate funds to and deallocate funds from bonded earn strategies, review
      allocations, and track request status.
    x-displayName: Bonded Earn
  - name: Funding
    description: >-
      Discover deposit and withdrawal options, manage deposit addresses, and
      move funds between accounts.
    x-displayName: Funding
  - name: Derivative transfers
    description: >-
      Move funds between an account's spot balance and the same owner's futures
      balance.
    x-displayName: Derivative transfers
  - name: Portfolio
    description: 'Inspect a customer''s portfolio: balances, valuations, and transactions.'
    x-displayName: Portfolio
  - name: Ramp
    description: >-
      Support Ramp flows with discovery, quotes, limits, and hosted checkout
      experiences.
    x-displayName: Ramp
  - name: Reports
    description: Settlement and reconciliation reports for the partner.
    x-displayName: Reports
  - name: Swaps
    description: Account-funded quotes that lock a price until they expire or are executed.
    x-displayName: Swaps
  - name: Onchain quotes
    description: Wallet-funded quotes that return the data needed to settle onchain.
    x-displayName: Onchain quotes
  - name: Price trigger swaps
    description: Swaps that wait for a target price before submitting a trade.
    x-displayName: Price trigger swaps
  - name: Travel Rule verifications
    description: Travel Rule address ownership verification flows.
    x-displayName: Travel Rule verifications
  - name: Users
    description: >-
      User onboarding and status flows that the partner manages.


      - **Create User** provisions an account-owned user from an external
      reference and optional email.

      - **Get User** retrieves the user's profile, verification status, and
      required actions.


      Use the returned user `id` for calls that require the user's identifier.
    x-displayName: Users
  - name: Verifications
    description: Identity verification (KYC) submission and status for end users.
    x-displayName: Verifications
  - name: Webhooks
    description: >-
      Register HTTPS destinations to receive event deliveries, rotate signing
      secrets, and inspect, update, or delete existing subscriptions. Each
      subscription is owned by the authenticated partner; deliveries are signed
      with HMAC-SHA256 and retried on transient failures.
    x-displayName: Webhooks
paths:
  /v1/accounts/{account_id}/funds/addresses/{address_id}:
    get:
      tags:
        - Funding
      summary: Get funding address
      description: >-
        Returns one user-added funding address registered for the selected
        account.
      operationId: getFundingAddress
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - name: address_id
          in: path
          required: true
          description: Stable identifier returned when the funding address was registered.
          example: AB12345-6789A-BCDEFG
          schema:
            type: string
            minLength: 20
            maxLength: 20
            pattern: ^AB[A-Za-z0-9]{5}-[A-Za-z0-9]{5}-[A-Za-z0-9]{6}$
      responses:
        '200':
          description: Funding address retrieved for the selected account.
          headers:
            X-Trace-Id:
              $ref: '#/components/headers/TraceId'
            Strict-Transport-Security:
              $ref: '#/components/headers/StrictTransportSecurity'
            Cache-Control:
              $ref: '#/components/headers/CacheControl'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Funding_GetFundingAddressResult'
              examples:
                bitcoin:
                  summary: Bitcoin funding address
                  value:
                    data:
                      address_id: AB12345-6789A-BCDEFG
                      scope:
                        method_id: 2fa11f79-eeba-4d4e-afda-029abff6e29e
                      name: My cold wallet
                      address_details:
                        crypto:
                          address: bc1qexampleaddress
                          tag: '123'
                          memo: '456'
                sepa:
                  summary: SEPA funding address
                  value:
                    data:
                      address_id: AB98765-4321Z-YXWVUT
                      scope:
                        method_id: 7c9e6679-7425-40de-944b-e07fc1f90ae7
                      name: My SEPA account
                      address_details:
                        fiat:
                          iban: DE89370400440532013000
                          bic: COBADEFFXXX
        '400':
          $ref: '#/components/responses/FundingBadRequestResponse'
        '401':
          $ref: '#/components/responses/FundingUnauthenticatedResponse'
        '403':
          $ref: '#/components/responses/FundingForbiddenResponse'
        '404':
          $ref: '#/components/responses/FundingNotFoundResponse'
        '429':
          $ref: '#/components/responses/FundingResourceExhaustedResponse'
        '500':
          $ref: '#/components/responses/FundingInternalResponse'
        '503':
          $ref: '#/components/responses/FundingUnavailableResponse'
        '504':
          $ref: '#/components/responses/FundingDeadlineExceededResponse'
      security:
        - ApiKey: []
          ApiSign: []
          ApiNonce: []
components:
  parameters:
    AccountId:
      name: account_id
      in: path
      required: true
      example: WVSD33HRMGSZUBM7
      schema:
        $ref: '#/components/schemas/AccountId'
  headers:
    TraceId:
      description: Trace identifier for the request. Include it when contacting support.
      schema:
        type: string
        example: 4bf92f3577b34da6a3ce929d0e0e4736
    StrictTransportSecurity:
      description: Enforces HTTPS for the duration specified by `max-age`.
      schema:
        type: string
        example: max-age=31536000; includeSubDomains; preload
    CacheControl:
      description: Prevents caching of sensitive financial data. Always `no-store`.
      schema:
        type: string
        enum:
          - no-store
        example: no-store
  schemas:
    Funding_GetFundingAddressResult:
      description: User-added funding address retrieved for the selected account.
      type: object
      required:
        - data
      properties:
        data:
          $ref: '#/components/schemas/Funding_RegisteredFundingAddress'
          description: Registered funding address.
    AccountId:
      description: Globally unique public identifier for an account.
      type: string
      minLength: 14
      maxLength: 42
    Funding_RegisteredFundingAddress:
      description: User-added funding address registered for the selected account.
      type: object
      required:
        - address_id
        - scope
        - address_details
      properties:
        address_id:
          description: Stable identifier for the registered funding address.
          type: string
          minLength: 20
          maxLength: 20
          pattern: ^AB[A-Za-z0-9]{5}-[A-Za-z0-9]{5}-[A-Za-z0-9]{6}$
        scope:
          $ref: '#/components/schemas/Funding_FundingAddressScope'
          description: >-
            Scope under which the address was registered. Exactly one identifier
            is present. Network and network-group scopes can make the address
            usable with multiple withdrawal methods.
        name:
          description: Partner-provided label for the address, when present.
          type: string
          minLength: 1
          maxLength: 64
        address_details:
          $ref: '#/components/schemas/Funding_FundingAddressDetails'
          description: >-
            Destination details for the registered fiat bank account or crypto
            address. Exactly one of `fiat` or `crypto` is present.
    BadRequestError:
      title: Bad Request
      description: Request validation failed or the request could not be processed.
      oneOf:
        - title: Bad Request
          allOf:
            - $ref: '#/components/schemas/PwsValidationErrorEnvelope'
            - type: object
              required:
                - error
              properties:
                error:
                  allOf:
                    - $ref: '#/components/schemas/PwsValidationError'
                    - type: object
                      required:
                        - status
                        - code
                      properties:
                        status:
                          type: integer
                          format: int32
                          const: 400
                        code:
                          type: string
                          enum:
                            - bad_request
        - title: Gateway
          description: >-
            Gateway-level validation failure returned before the request reaches
            the service.
          allOf:
            - $ref: '#/components/schemas/PwsValidationErrorEnvelope'
            - type: object
              required:
                - error
              properties:
                error:
                  allOf:
                    - $ref: '#/components/schemas/PwsValidationError'
                    - type: object
                      required:
                        - status
                        - code
                      properties:
                        type:
                          type: string
                          const: service_error
                        status:
                          type: integer
                          format: int32
                          const: 400
                        code:
                          type: string
                          const: gateway
    UnauthenticatedError:
      title: Unauthenticated
      description: Authentication credentials are missing, invalid, or not accepted.
      oneOf:
        - title: Unauthenticated
          allOf:
            - $ref: '#/components/schemas/PwsGeneralErrorEnvelope'
            - type: object
              required:
                - error
              properties:
                error:
                  allOf:
                    - $ref: '#/components/schemas/PwsGeneralError'
                    - type: object
                      required:
                        - status
                        - code
                      properties:
                        status:
                          type: integer
                          format: int32
                          const: 401
                        code:
                          type: string
                          enum:
                            - unauthenticated
        - title: Gateway
          description: Authentication failure returned by the API gateway.
          allOf:
            - $ref: '#/components/schemas/PwsGeneralErrorEnvelope'
            - type: object
              required:
                - error
              properties:
                error:
                  allOf:
                    - $ref: '#/components/schemas/PwsGeneralError'
                    - type: object
                      required:
                        - status
                        - code
                      properties:
                        type:
                          type: string
                          const: service_error
                        status:
                          type: integer
                          format: int32
                          const: 401
                        code:
                          type: string
                          const: gateway
    ForbiddenError:
      title: Forbidden
      description: The caller is not allowed to perform this operation.
      oneOf:
        - title: Forbidden
          allOf:
            - $ref: '#/components/schemas/PwsGeneralErrorEnvelope'
            - type: object
              required:
                - error
              properties:
                error:
                  allOf:
                    - $ref: '#/components/schemas/PwsGeneralError'
                    - type: object
                      required:
                        - status
                        - code
                      properties:
                        status:
                          type: integer
                          format: int32
                          const: 403
                        code:
                          type: string
                          enum:
                            - forbidden
        - title: Gateway
          description: Authorization failure returned by the API gateway.
          allOf:
            - $ref: '#/components/schemas/PwsGeneralErrorEnvelope'
            - type: object
              required:
                - error
              properties:
                error:
                  allOf:
                    - $ref: '#/components/schemas/PwsGeneralError'
                    - type: object
                      required:
                        - status
                        - code
                      properties:
                        type:
                          type: string
                          const: service_error
                        status:
                          type: integer
                          format: int32
                          const: 403
                        code:
                          type: string
                          const: gateway
    NotFoundError:
      description: The requested resource was not found.
      allOf:
        - $ref: '#/components/schemas/PwsGeneralErrorEnvelope'
        - type: object
          required:
            - error
          properties:
            error:
              allOf:
                - $ref: '#/components/schemas/PwsGeneralError'
                - type: object
                  required:
                    - status
                    - code
                  properties:
                    status:
                      type: integer
                      format: int32
                      const: 404
                    code:
                      type: string
                      enum:
                        - not_found
    ResourceExhaustedError:
      description: The request was rate limited or a resource quota was exhausted.
      allOf:
        - $ref: '#/components/schemas/PwsGeneralErrorEnvelope'
        - type: object
          required:
            - error
          properties:
            error:
              allOf:
                - $ref: '#/components/schemas/PwsGeneralError'
                - type: object
                  required:
                    - status
                    - code
                  properties:
                    status:
                      type: integer
                      format: int32
                      const: 429
                    code:
                      type: string
                      enum:
                        - resource_exhausted
    InternalError:
      description: An unexpected server-side error occurred.
      allOf:
        - $ref: '#/components/schemas/PwsGeneralErrorEnvelope'
        - type: object
          required:
            - error
          properties:
            error:
              allOf:
                - $ref: '#/components/schemas/PwsGeneralError'
                - type: object
                  required:
                    - status
                    - code
                  properties:
                    status:
                      type: integer
                      format: int32
                      const: 500
                    code:
                      type: string
                      enum:
                        - internal
    UnavailableError:
      description: The service is temporarily unavailable.
      allOf:
        - $ref: '#/components/schemas/PwsGeneralErrorEnvelope'
        - type: object
          required:
            - error
          properties:
            error:
              allOf:
                - $ref: '#/components/schemas/PwsGeneralError'
                - type: object
                  required:
                    - status
                    - code
                  properties:
                    status:
                      type: integer
                      format: int32
                      const: 503
                    code:
                      type: string
                      enum:
                        - unavailable
    DeadlineExceededError:
      description: The request deadline was exceeded before a response could be produced.
      allOf:
        - $ref: '#/components/schemas/PwsGeneralErrorEnvelope'
        - type: object
          required:
            - error
          properties:
            error:
              allOf:
                - $ref: '#/components/schemas/PwsGeneralError'
                - type: object
                  required:
                    - status
                    - code
                  properties:
                    status:
                      type: integer
                      format: int32
                      const: 504
                    code:
                      type: string
                      enum:
                        - deadline_exceeded
    Funding_FundingAddressScope:
      description: Scope of the saved funding address. Exactly one identifier is present.
      type: object
      properties:
        method_id:
          description: Withdrawal method identifier associated with the address.
          type: string
          format: uuid
        network_id:
          description: Network identifier associated with the address.
          type: string
          format: uuid
        network_group_id:
          description: Network-group identifier associated with the address.
          type: string
          format: uuid
    Funding_FundingAddressDetails:
      description: >-
        Details for the user-added funding address, as a fiat bank account or a
        crypto address.


        Supply exactly one branch. Its properties are validated for the
        requested scope.
      type: object
      properties:
        fiat:
          $ref: '#/components/schemas/Funding_FundingFiatAddress'
          description: Bank account used as the withdrawal destination.
        crypto:
          $ref: '#/components/schemas/Funding_FundingCryptoAddress'
          description: Crypto address used as the withdrawal destination.
    PwsValidationErrorEnvelope:
      description: Error envelope for request validation failures.
      type: object
      required:
        - error
      properties:
        error:
          $ref: '#/components/schemas/PwsValidationError'
          description: Validation error details.
    PwsValidationError:
      description: Standard PWS API error object for request validation failures.
      type: object
      required:
        - type
        - status
        - instance
        - code
      properties:
        type:
          description: Machine-readable error class.
          type: string
        status:
          description: HTTP status code returned for this error.
          type: integer
          format: int32
        instance:
          description: Request identifier for this specific error occurrence.
          type: string
        code:
          description: Stable machine-readable error code.
          type: string
        doc_url:
          description: Optional link to documentation for this error.
          type: string
          format: uri
        causes:
          description: Validation failures that contributed to the error.
          type: array
          items:
            $ref: '#/components/schemas/PwsErrorCause'
    PwsGeneralErrorEnvelope:
      description: Error envelope for operational or domain failures.
      type: object
      required:
        - error
      properties:
        error:
          $ref: '#/components/schemas/PwsGeneralError'
          description: General error details.
    PwsGeneralError:
      description: Standard PWS API error object for non-validation failures.
      allOf:
        - $ref: '#/components/schemas/PwsErrorBase'
        - type: object
          properties:
            causes:
              description: Additional error details, when present.
              type: array
              items:
                type: object
                additionalProperties: true
    Funding_FundingFiatAddress:
      description: >-
        Bank account details for a fiat withdrawal destination. For a
        destination owned by the selected account holder, the account-holder
        name comes from verified account information.
      type: object
      properties:
        iban:
          description: >-
            IBAN identifying the destination bank account. Required only when
            the selected scope calls for it.
          type: string
          minLength: 1
          maxLength: 34
        bic:
          description: >-
            Bank identifier code for the destination bank. Required only when
            the selected scope calls for it.
          type: string
          minLength: 1
          maxLength: 11
        swift:
          description: >-
            SWIFT code for the destination bank. Required only when the selected
            scope calls for it.
          type: string
          minLength: 1
          maxLength: 11
        sort_code:
          description: >-
            Sort code for the destination bank account. Required only when the
            selected scope calls for it.
          type: string
          minLength: 1
          maxLength: 16
        routing_number:
          description: >-
            Routing number for the destination bank account. Required only when
            the selected scope calls for it.
          type: string
          minLength: 1
          maxLength: 34
        bsb:
          description: >-
            Bank-State-Branch code for the destination bank account. Required
            only when the selected scope calls for it.
          type: string
          minLength: 1
          maxLength: 16
        account_number:
          description: >-
            Destination bank account number. Required only when the selected
            scope calls for it.
          type: string
          minLength: 1
          maxLength: 64
        address:
          description: Bank address required by the selected scope, when applicable.
          type: string
          minLength: 1
          maxLength: 256
        tag:
          description: Destination tag required by the selected scope, when applicable.
          type: string
          minLength: 1
          maxLength: 64
        memo:
          description: Destination memo required by the selected scope, when applicable.
          type: string
          minLength: 1
          maxLength: 256
        bank:
          description: >-
            Name of the destination bank. Required only when the selected scope
            calls for it.
          type: string
          minLength: 1
        account_type:
          description: >-
            Type of the destination bank account. Use a choice from the selected
            method's address-field allowed_values when the list is non-empty.
            Validated when the address is registered.
          type: string
          minLength: 1
    Funding_FundingCryptoAddress:
      description: Crypto address details for the funding address.
      type: object
      required:
        - address
      properties:
        address:
          description: Destination crypto address accepted by the selected scope.
          type: string
          minLength: 1
          maxLength: 256
        tag:
          description: Destination tag required by the selected scope, when applicable.
          type: string
          minLength: 1
          maxLength: 64
        memo:
          description: Destination memo required by the selected scope, when applicable.
          type: string
          minLength: 1
          maxLength: 256
    PwsErrorCause:
      description: A single request validation failure.
      type: object
      required:
        - field
        - message
      properties:
        field:
          description: Dot-notation path to the offending request field.
          type: string
        message:
          description: Human-readable explanation of the failed validation rule.
          type: string
    PwsErrorBase:
      description: Common fields present on every PWS API error object.
      type: object
      required:
        - type
        - status
        - instance
        - code
      properties:
        type:
          description: Machine-readable error class.
          type: string
        status:
          description: HTTP status code returned for this error.
          type: integer
          format: int32
        instance:
          description: Request identifier for this specific error occurrence.
          type: string
        code:
          description: Stable machine-readable error code.
          type: string
        doc_url:
          description: Optional link to documentation for this error.
          type: string
          format: uri
  responses:
    FundingBadRequestResponse:
      description: Validation error
      headers:
        X-Trace-Id:
          $ref: '#/components/headers/TraceId'
        Strict-Transport-Security:
          $ref: '#/components/headers/StrictTransportSecurity'
        Cache-Control:
          $ref: '#/components/headers/CacheControl'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/BadRequestError'
          examples:
            invalid-request:
              $ref: '#/components/examples/funding-bad-request'
    FundingUnauthenticatedResponse:
      description: Authentication required
      headers:
        X-Trace-Id:
          $ref: '#/components/headers/TraceId'
        Strict-Transport-Security:
          $ref: '#/components/headers/StrictTransportSecurity'
        Cache-Control:
          $ref: '#/components/headers/CacheControl'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/UnauthenticatedError'
          examples:
            authentication-failed:
              $ref: '#/components/examples/funding-unauthenticated'
    FundingForbiddenResponse:
      description: Forbidden
      headers:
        X-Trace-Id:
          $ref: '#/components/headers/TraceId'
        Strict-Transport-Security:
          $ref: '#/components/headers/StrictTransportSecurity'
        Cache-Control:
          $ref: '#/components/headers/CacheControl'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ForbiddenError'
          examples:
            caller-is-not-allowed:
              $ref: '#/components/examples/funding-forbidden'
    FundingNotFoundResponse:
      description: >-
        The funding address does not exist or is not available to the selected
        account.
      headers:
        X-Trace-Id:
          $ref: '#/components/headers/TraceId'
        Strict-Transport-Security:
          $ref: '#/components/headers/StrictTransportSecurity'
        Cache-Control:
          $ref: '#/components/headers/CacheControl'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/NotFoundError'
          examples:
            funding-address-not-found:
              $ref: '#/components/examples/funding-not-found'
    FundingResourceExhaustedResponse:
      description: Rate limit exceeded
      headers:
        X-Trace-Id:
          $ref: '#/components/headers/TraceId'
        Strict-Transport-Security:
          $ref: '#/components/headers/StrictTransportSecurity'
        Cache-Control:
          $ref: '#/components/headers/CacheControl'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ResourceExhaustedError'
          examples:
            rate-limit-exceeded:
              $ref: '#/components/examples/funding-resource-exhausted'
    FundingInternalResponse:
      description: Internal server error
      headers:
        X-Trace-Id:
          $ref: '#/components/headers/TraceId'
        Strict-Transport-Security:
          $ref: '#/components/headers/StrictTransportSecurity'
        Cache-Control:
          $ref: '#/components/headers/CacheControl'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/InternalError'
          examples:
            internal-error:
              $ref: '#/components/examples/funding-internal'
    FundingUnavailableResponse:
      description: Service unavailable
      headers:
        X-Trace-Id:
          $ref: '#/components/headers/TraceId'
        Strict-Transport-Security:
          $ref: '#/components/headers/StrictTransportSecurity'
        Cache-Control:
          $ref: '#/components/headers/CacheControl'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/UnavailableError'
          examples:
            service-unavailable:
              $ref: '#/components/examples/funding-unavailable'
    FundingDeadlineExceededResponse:
      description: Request deadline exceeded
      headers:
        X-Trace-Id:
          $ref: '#/components/headers/TraceId'
        Strict-Transport-Security:
          $ref: '#/components/headers/StrictTransportSecurity'
        Cache-Control:
          $ref: '#/components/headers/CacheControl'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/DeadlineExceededError'
          examples:
            request-deadline-exceeded:
              $ref: '#/components/examples/funding-deadline-exceeded'
  examples:
    funding-bad-request:
      summary: Invalid request
      value:
        error:
          type: funding_error
          instance: 5f4d2a8e-91a4-4d6c-8a17-9b1e2c3f4a5b
          status: 400
          code: bad_request
          causes:
            - field: asset_symbol
              message: must contain between 1 and 16 characters
    funding-unauthenticated:
      summary: Authentication failed
      value:
        error:
          type: funding_error
          instance: 5f4d2a8e-91a4-4d6c-8a17-9b1e2c3f4a5b
          status: 401
          code: unauthenticated
    funding-forbidden:
      summary: Caller is not allowed
      value:
        error:
          type: funding_error
          instance: 5f4d2a8e-91a4-4d6c-8a17-9b1e2c3f4a5b
          status: 403
          code: forbidden
    funding-not-found:
      summary: Funding address not found
      value:
        error:
          type: funding_error
          instance: 5f4d2a8e-91a4-4d6c-8a17-9b1e2c3f4a5b
          status: 404
          code: not_found
    funding-resource-exhausted:
      summary: Rate limit exceeded
      value:
        error:
          type: funding_error
          instance: 5f4d2a8e-91a4-4d6c-8a17-9b1e2c3f4a5b
          status: 429
          code: resource_exhausted
    funding-internal:
      summary: Internal server error
      value:
        error:
          type: funding_error
          instance: 5f4d2a8e-91a4-4d6c-8a17-9b1e2c3f4a5b
          status: 500
          code: internal
    funding-unavailable:
      summary: Service unavailable
      value:
        error:
          type: funding_error
          instance: 5f4d2a8e-91a4-4d6c-8a17-9b1e2c3f4a5b
          status: 503
          code: unavailable
    funding-deadline-exceeded:
      summary: Request deadline exceeded
      value:
        error:
          type: funding_error
          instance: 5f4d2a8e-91a4-4d6c-8a17-9b1e2c3f4a5b
          status: 504
          code: deadline_exceeded
  securitySchemes:
    ApiKey:
      type: apiKey
      in: header
      name: API-Key
      description: Your public API key. Identifies the partner making the request.
    ApiSign:
      type: apiKey
      in: header
      name: API-Sign
      description: HMAC signature over the request, computed with your private key.
    ApiNonce:
      type: apiKey
      in: header
      name: API-Nonce
      description: Monotonically increasing nonce included in the request signature.

````