---
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

- **2026-08-14** `aaa1fb8782c8` — 1 warning
  - added the new `EXTERNAL_ACCOUNT_VERIFICATION_REQUIRED` enum value to the `code` response property for the response status `400`
- **2026-08-13** `df12ec487f0e` — 1 warning
  - added the new `TRANSACTION_SIZE_LIMIT_EXCEEDED` enum value to the `code` response property for the response status `400`
- **2026-08-11** `b06902b6595a` — 1 warning
  - added the new `CARDHOLDER_KYC_NOT_APPROVED` enum value to the `code` response property for the response status `400`
- **2026-08-06** `526036c12609` — 1 warning
  - added the new `END_USER_TERMS_VERSION_NOT_FOUND` enum value to the `code` response property for the response status `400`
- **2026-07-31** `b21ed434ee6e` — 1 info
  - added the optional property `details/errors` to the response with the `400` status

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

---

[API](https://skmtc.dev/stainless-api/apis/grid-api.md) · [All operations](https://skmtc.dev/stainless-api/apis/grid-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/stainless-api/grid-api/revisions/2ec84c06fbec/schema)