---
title: "Send a test webhook"
method: POST
path: "/sandbox/webhooks/test"
tags: ["Sandbox"]
---

# Send a test webhook

`POST /sandbox/webhooks/test`

Send a test webhook to the configured endpoint

## Response `200`

Webhook delivered successfully

- TestWebhookResponse
  - `url` string, uri — URL where the webhook was sent
  - `response_status` integer, required — The HTTP status code returned by the webhook endpoint
  - `response_body` string — The raw body content returned by the webhook endpoint in response to the request

## Other responses

- `400` — Bad request - Webhook delivery failed
- `401` — Unauthorized
- `500` — Internal service error

## Changes

- **2026-05-28** `d0bce562bffd` — 5 warning
  - added the new `REQUEST_ID_MISSING` enum value to the `code` response property for the response status `401`
  - added the new `WALLET_SIGNATURE_BODY_MISMATCH` enum value to the `code` response property for the response status `401`
  - added the new `WALLET_SIGNATURE_INVALID` enum value to the `code` response property for the response status `401`
  - added the new `WALLET_SIGNATURE_MALFORMED` enum value to the `code` response property for the response status `401`
  - …1 more
- **2026-04-27** `5b8a8161eeb3` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/lightsparkdev/apis/grid-api/changes/sandbox/webhooks/test/post.md)

---

[API](https://skmtc.dev/lightsparkdev/apis/grid-api.md) · [All operations](https://skmtc.dev/lightsparkdev/apis/grid-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/lightsparkdev/grid-api/revisions/d0bce562bffd/schema)