Webhook Tester & Inspector
Generate a unique URL to inspect and debug HTTP requests from your apps in real-time.
Incoming Requests
Send a POST request to your URL.
How to use the Webhook Tester?
- Click "Generate New URL" to get a unique, temporary webhook endpoint.
- Paste this URL into your third-party service's webhook settings (Stripe, GitHub).
- As soon as the service sends an event, it appears in the "Incoming Requests" list.
- Click on a request to inspect the HTTP method, headers, and raw JSON body.
Frequently Asked Questions (FAQ)
Is the URL permanent?
No. It is a temporary URL designed for local debugging. Do not use it for production webhooks.
Does it support HTTPS?
Yes. The generated URL uses HTTPS, which is required by most modern API providers like Stripe and Slack.
About the Webhook Tester & Inspector
The Webhook Tester by Grab-Kit is a free online tool designed for backend developers and API integrators. When building integrations with Stripe, GitHub, Shopify, or Slack, you need to receive HTTP POST requests (webhooks) to test your application's logic. However, your local development environment is usually not exposed to the internet, making it impossible for external APIs to reach you. Our tool solves this by generating a temporary, public URL that captures all incoming requests for you to inspect.
Using the tool is incredibly straightforward. Click "Generate New URL" to get a unique webhook endpoint. Paste this URL into your third-party service's webhook settings. As soon as the service sends an event, the request will appear in real-time in the "Incoming Requests" list. Click on any request to inspect the HTTP method, query parameters, headers, and the raw JSON or form body. This makes debugging authentication failures or missing payload fields instant and painless.
Why use Grab-Kit?
This tool acts as a clean, ad-free frontend interface for the public webhook.site API, providing a fast and reliable experience. It is completely free, requires no signup, and works flawlessly on both desktop and mobile devices, making it the perfect utility for your API debugging workflow.