---
title: "Get webhook signing key by external ID"
method: GET
path: "/v1/webhook/{webhookExternalId}/signing-key"
tags: ["Webhooks"]
---

# Get webhook signing key by external ID

`GET /v1/webhook/{webhookExternalId}/signing-key`

## Path parameters

- `webhookExternalId` string, required

## Query parameters

- `gateway_account_id` string, required
- `service_id` string, required

## Response `200`

OK

- SigningKeyResponse
  - `signing_key` string

## Other responses

- `404` — Not found

## Changes

- **2023-05-23** `12636419a51a` — 1 breaking
  - added the new required `query` request parameter `gateway_account_id`

[Change history](https://skmtc.dev/government-digital-service/apis/webhooks-api/changes/v1/webhook/:webhookExternalId/signing-key/get.md)

---

[API](https://skmtc.dev/government-digital-service/apis/webhooks-api.md) · [All operations](https://skmtc.dev/government-digital-service/apis/webhooks-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/government-digital-service/webhooks-api/revisions/c08d1ac8dcab/schema)