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

# Mock Payout Status [Sandbox Only]

> Sandbox only. Simulates payout order status changes so you can test your offramp flow.

<Prompt description="Mock Payout Status" actions={["cursor"]}>
  Add the Zapyd "Mock Payout Status" call (`PATCH /pos/api/v1/payout/mock-payout-status`) to my backend. Sandbox only. Simulates payout order status changes so you can test your offramp flow.

  * Sandbox: `PATCH https://sandbox.zapyd.com/pos/api/v1/payout/mock-payout-status`
  * Production: none, sandbox only

  JSON body:

  * `payout_id` (string, uuid, required): Zapyd payout ID.
  * `payout_status` (string, required): Target status: SUCCESS, FAILED or REFUNDED (sandbox only).

  Success: HTTP 200, `{status: true, message, data}`. `data`: `payout_id`, `payout_status`.
  Every endpoint can also return 401 `AUTH_*` (signature, timestamp or key: fix, don't retry), and 429 or 5xx (retry with backoff).

  Rules:

  * Sandbox only: it doesn't exist in production. Keep it behind a sandbox-only flag or in test code.
  * Works only on payouts in `PROCESSING`. Sends the same `PAYOUT` webhook production would.

  Signing (every request):

  * Headers: `X-API-KEY`, `X-TIMESTAMP` (Unix seconds, within 300 s of server time; generate per request) and `X-SIGNATURE`.
  * `X-SIGNATURE` = Base64(HMAC-SHA256(key = API secret, message = apiKey + "|" + timestamp + "|" + canonicalBody)). Base64 of the raw digest, not hex.
  * canonicalBody: the JSON body with keys sorted at every nesting level, no whitespace (separators `,` and `:`), and every non-ASCII character escaped as lowercase `\uXXXX` (Python `json.dumps(body, sort_keys=True, separators=(",", ":"))`). Requests with no body (GET, DELETE) sign `{}`. Query parameters are not signed.
  * Send the exact canonicalBody string you signed as the request body, with `Content-Type: application/json`.
  * Test vector: key `3f1b2c4d-5e6f-4a7b-8c9d-0e1f2a3b4c5d`, secret `test-secret-do-not-use`, timestamp `1735689600`. Signing `{}` gives `6sCtVSRQjU9+2/af8gdwUAvY1l6Ii6ENcbRfanPkhY0=`. Body `{"customer_id":"78c99d71-f28f-47a9-8302-93b286efbe0e","amount":100.5,"currency":"INR","meta":{"note":"Café","b":2,"a":1}}` gives `l+DvQrzlKbsOSxSYOdWoWHEehcFRZfDJPKlLDkm2cSI=`.

  Deliver:

  1. A typed `mockPayoutStatus` function in this codebase's language and HTTP client. Reuse an existing Zapyd client and signer, or write one small shared client.
  2. Config from `ZAPYD_API_KEY`, `ZAPYD_API_SECRET` and `ZAPYD_BASE_URL`. The secret stays on the server, never in a browser or app.
  3. Return `data`. When `status` is false, throw an error with the HTTP status, `err_code`, `message` and `errors`. Don't show raw errors to end users.
  4. Retry only 429 and 5xx: exponential backoff from 1 s, capped at 30 s, at most 5 attempts.
  5. Amounts as strings. Types for every field above.
  6. Tests: the signer against the test vector, and this call against sandbox.

  Reference: `https://docs.zapyd.com/api-reference-exchange/endpoint/payout/order/mock-payout-status.md`
</Prompt>

<Note>
  This endpoint is available only in the **Sandbox environment** and allows you to simulate payout status changes for testing purposes.

  This endpoint only works for payouts that are currently in the **`PROCESSING`** state. Attempting to change the status of payouts in other states will not have any effect.
</Note>


## OpenAPI

````yaml PATCH /payout/mock-payout-status
openapi: 3.1.0
info:
  title: Zapyd API
  description: API for Zapyd - Customer, Payout, and Webhook services
  license:
    name: MIT
  version: 1.0.0
servers:
  - url: https://sandbox.zapyd.com/pos/api/v1
    description: Payout API Base URL
    variables:
      base_url:
        default: https://sandbox.zapyd.com
  - url: https://sandbox.zapyd.com/cms/api/v1
    description: Customer API Base URL
    variables:
      base_url:
        default: https://sandbox.zapyd.com
security:
  - ApiKeyAuth: []
    TimestampAuth: []
    SignatureAuth: []
tags:
  - name: Customer
    description: Customer related operations
    x-displayName: Customer
    x-traitTag: true
  - name: Payout
    description: Payout related operations
  - name: Webhooks
    description: Webhook related operations
  - name: Widget
    description: Hosted buy/sell widget session initialization
paths:
  /payout/mock-payout-status:
    patch:
      tags:
        - Payout
      description: Mock Payout Status [Sandbox Environment Only]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - payout_id
                - payout_status
              properties:
                payout_id:
                  type: string
                  format: uuid
                  example: 4e6f1b20-a73c-11ec-b909-0242ac120002
                  description: Zapyd payout ID
                payout_status:
                  type: string
                  example: SUCCESS
                  enum:
                    - SUCCESS
                    - FAILED
                    - REFUNDED
                  description: 'Target status: SUCCESS, FAILED or REFUNDED (sandbox only)'
      responses:
        '200':
          description: Payout Status updated successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: boolean
                    example: true
                  message:
                    type: string
                    example: Success
                  data:
                    type: object
                    properties:
                      payout_id:
                        type: string
                        format: uuid
                        example: 4e6f1b20-a73c-11ec-b909-0242ac120002
                      payout_status:
                        type: string
                        example: SUCCESS
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: boolean
                    example: false
                  message:
                    type: string
                    example: Internal Server Error
                  data:
                    type: 'null'
                  err_code:
                    type: string
                    example: SYS_INTERNAL_ERROR
                  errors:
                    type: string
                    example: Unexpected error occurred. Please try again later.
      servers:
        - url: https://sandbox.zapyd.com/pos/api/v1
          description: Payout API Base URL
components:
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-KEY
      description: API Key for authentication
    TimestampAuth:
      type: apiKey
      in: header
      name: X-TIMESTAMP
      description: Current timestamp in seconds since epoch
    SignatureAuth:
      type: apiKey
      in: header
      name: X-SIGNATURE
      description: HMAC SHA256 signature of the request encoded in Base64

````

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