---
title: "Create a project webhook"
method: POST
path: "/projects/{project_id}/webhooks"
tags: ["project-webhooks"]
---

# Create a project webhook

`POST /projects/{project_id}/webhooks`

## Request

- Base URL: `https://api.ionworks.com`
- URL: `https://api.ionworks.com/projects/{project_id}/webhooks`
- Auth: none declared

Create a webhook; returns the signing secret once.

## Path parameters

- `project_id` string, uuid, required

## Request body

- CreateProjectWebhook: Request body for creating a project webhook.
  - `url` string, required: HTTPS destination URL.
  - `events` WebhookEvent[], required: Events that should trigger delivery.
  - `enabled` boolean: Whether the webhook is active.

## Response `201`

Successful Response

- ProjectWebhookCreated: Create response that includes the signing secret once.
  - `id` string, required
  - `project_id` string, required
  - `organization_id` string, required
  - `url` string, required
  - `events` string[], required
  - `enabled` boolean, required
  - `consecutive_failures` integer
  - `disabled_reason` string, nullable
  - `created_by` string, nullable
  - `created_at` string, date-time, required
  - `updated_at` string, date-time, required
  - `secret` string, required: HMAC signing secret; shown only in the create response.

## Other responses

- `422`: Validation Error

## Changes

- **2026-09-30** `ea3d377fec1a`: 1 breaking
  - for the `path` request parameter `project_id`, the format changed from no format to `uuid`

[Operation history](https://skmtc.dev/ionworks/apis/ionworks-api/changes/projects/:project_id/webhooks/post.md)

---

[API](https://skmtc.dev/ionworks/apis/ionworks-api.md) - [All operations](https://skmtc.dev/ionworks/apis/ionworks-api/llms.txt) - [OpenAPI document](https://skmtc.dev/ionworks/apis/ionworks-api/revisions/abebbbc5f60a?raw)