> ## 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.

# Look up funding method metadata

> Retrieve funding method metadata for the selected account using either `method_ids` or `network_id`. Returned metadata does not establish eligibility to deposit or withdraw.



## OpenAPI

````yaml https://dsct1ci24fgcu.cloudfront.net/prod/merged/openapi.json get /v1/accounts/{account_id}/funds/methods/lookup
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.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: Earn
    description: >-
      Manage Auto Earn preferences and retrieve allocation and reward
      information.
    x-displayName: 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/methods/lookup:
    get:
      tags:
        - Funding
      summary: Look up funding method metadata
      description: >-
        Retrieve funding method metadata for the selected account using either
        `method_ids` or `network_id`. Returned metadata does not establish
        eligibility to deposit or withdraw.
      operationId: getFundingMethods
      parameters:
        - $ref: '#/components/parameters/AccountId'
        - name: method_ids
          in: query
          description: >-
            Methods to look up. Repeat this parameter for multiple IDs.
            Duplicates count toward the request limit but are looked up once.
          style: form
          explode: true
          schema:
            type: array
            maxItems: 25
            items:
              type: string
              format: uuid
          example:
            - 00e4796b-a142-4589-a7c1-8927933788c9
        - name: network_id
          in: query
          description: >-
            Network whose methods to look up, potentially spanning multiple
            assets and directions.
          schema:
            type: string
            format: uuid
          example: 0d7efc1a-3787-4a29-9b64-8ca937501a50
        - name: direction
          in: query
          description: >-
            Filters by funding direction. When omitted, includes all directions
            enabled for your domain. Returns 403 if the requested direction is
            disabled or no direction is enabled.
          schema:
            $ref: '#/components/schemas/Funding_FundingMethodDirection'
          example: withdrawal
        - $ref: '#/components/parameters/Funding_PageSize'
        - $ref: '#/components/parameters/PageToken'
      responses:
        '200':
          description: Funding method metadata resolved 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_FundingMethodsResult'
              examples:
                crypto:
                  summary: Crypto method metadata
                  value:
                    data:
                      - id: 00e4796b-a142-4589-a7c1-8927933788c9
                        direction: withdrawal
                        asset:
                          symbol: USDC
                          name: USD Coin
                          type: stablecoin
                        method: USDC - Arbitrum One
                        network:
                          id: 0d7efc1a-3787-4a29-9b64-8ca937501a50
                          name: Arbitrum One
                          explorer: https://arbiscan.io/tx/{txid}
                          contract_address: '0xaf88d065e77c8cC2239327C5EDb3A432268e5831'
                        payment_rails: []
                        requirements: []
                fiat:
                  summary: Fiat metadata with a reported rail
                  value:
                    data:
                      - id: 3d9c3f4e-2f2d-4f4e-9c8a-1f6c0b7f4a21
                        direction: withdrawal
                        asset:
                          symbol: EUR
                          name: Euro
                          type: fiat
                        method: SEPA bank transfer
                        payment_rails:
                          - sepa
                        requirements: []
                bank-link:
                  summary: Method requiring a linked bank account
                  value:
                    data:
                      - id: 568f754f-dcc1-43ce-bcf0-fc7262c02a5f
                        direction: deposit
                        asset:
                          symbol: USD
                          name: US Dollar
                          type: fiat
                        method: Plaid US
                        payment_rails: []
                        requirements:
                          - bank_link
        '400':
          $ref: '#/components/responses/FundingBadRequestResponse'
        '401':
          $ref: '#/components/responses/FundingUnauthenticatedResponse'
        '403':
          $ref: '#/components/responses/FundingForbiddenResponse'
        '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'
    Funding_PageSize:
      name: page_size
      in: query
      description: >-
        Maximum number of results to return. Ignored when `page_token` is
        present.
      required: false
      schema:
        type: integer
        format: int32
        minimum: 1
        maximum: 25
        default: 20
      style: form
      example: 20
    PageToken:
      name: page_token
      in: query
      description: >-
        Opaque token returned as `next_page_token` in the previous response.
        Omit to request the first page.
      required: false
      schema:
        type: string
        minLength: 1
        maxLength: 256
      style: form
      example: MjoyRHuBXSgoe0mDHt-iFALROW46EGdvk_trgja31Vwr7H4
  schemas:
    Funding_FundingMethodDirection:
      description: Whether a funding method receives or sends funds.
      type: string
      enum:
        - deposit
        - withdrawal
    Funding_FundingMethodsResult:
      description: >-
        A page of funding method metadata. Repeat the same lookup identifiers
        and direction when requesting another page.
      type: object
      required:
        - data
      properties:
        data:
          description: >-
            Metadata for methods matching the lookup. A returned method is not
            necessarily available for deposits or withdrawals through PWS. Use
            the account’s deposit-methods or withdrawal-methods discovery
            endpoint to discover supported methods. Results are refreshed on
            each request.
          type: array
          items:
            $ref: '#/components/schemas/Funding_FundingMethodMetadata'
        next_page_token:
          description: >-
            Opaque token for retrieving the next page. Absent when there are no
            more results.
          type: string
          minLength: 1
          maxLength: 256
    AccountId:
      description: Globally unique public identifier for an account.
      type: string
      minLength: 14
      maxLength: 42
    Funding_FundingMethodMetadata:
      description: Descriptive information about a funding method.
      type: object
      required:
        - id
        - direction
        - asset
        - method
        - payment_rails
        - requirements
      properties:
        id:
          description: Identifier used to reference this funding method.
          type: string
          format: uuid
        direction:
          $ref: '#/components/schemas/Funding_FundingMethodDirection'
          description: Movement of funds represented by this method.
        asset:
          $ref: '#/components/schemas/Funding_FundingMethodAsset'
          description: Asset received or sent through this method.
        method:
          description: Human-readable display name of the method.
          type: string
          minLength: 1
        network:
          $ref: '#/components/schemas/Funding_FundingMethodNetwork'
          description: Network identity and metadata, when reported for this method.
        payment_rails:
          description: >-
            Reported payment rails. May be empty for a fiat method, including
            SEPA, when no recognized rail is reported.
          type: array
          items:
            $ref: '#/components/schemas/Funding_FundingPaymentRail'
        requirements:
          description: >-
            Reported method requirements. Other execution requirements may
            apply.
          type: array
          items:
            $ref: '#/components/schemas/Funding_FundingMethodRequirement'
    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
    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_FundingMethodAsset:
      description: Public identity of the asset supported by a funding method.
      type: object
      required:
        - symbol
        - name
        - type
      properties:
        symbol:
          $ref: '#/components/schemas/AssetSymbol'
          description: Public ticker symbol identifying the asset.
        name:
          description: Human-readable English asset name.
          type: string
          minLength: 1
          maxLength: 64
        type:
          $ref: '#/components/schemas/Funding_AssetType'
          description: Public classification of the asset.
    Funding_FundingMethodNetwork:
      description: >-
        Network metadata for this method and asset. Each optional detail is
        reported independently.
      type: object
      required:
        - id
        - name
      properties:
        id:
          description: Identifier of the network used by this method.
          type: string
          format: uuid
        name:
          description: Human-readable network name.
          type: string
          minLength: 1
        explorer:
          description: Blockchain explorer URL or transaction URL template.
          type: string
          minLength: 1
        confirmations:
          description: >-
            Required confirmation count or network-specific confirmation
            description.
          type: string
          minLength: 1
        est_confirmation_time:
          description: Estimated time to reach the required confirmations.
          type: string
          minLength: 1
        contract_address:
          description: Token contract address on this network, when applicable.
          type: string
          minLength: 1
        on_chain_asset_symbol:
          description: Symbol used for the asset on this network.
          type: string
          minLength: 1
    Funding_FundingPaymentRail:
      description: Payment rail explicitly reported for a funding method.
      type: string
      enum:
        - sepa
        - swift
        - fps
    Funding_FundingMethodRequirement:
      description: >-
        `bank_link` means a linked bank account is required; it does not
        indicate whether the account is already linked.
      type: string
      enum:
        - bank_link
    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
    AssetSymbol:
      description: Symbol identifying an asset within its asset category.
      type: string
      minLength: 1
      maxLength: 16
    Funding_AssetType:
      description: Public classification of an asset used by funding resources.
      type: string
      enum:
        - fiat
        - crypto
        - stablecoin
        - xstock
    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
  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
  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'
    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-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.

````