Skip to main content

Introduction

Welcome to the h00k.dev documentation! 🎉

What is h00k.dev?​

h00k.dev is a powerful, real-time webhook inspection and testing tool designed for developers. It provides a simple yet comprehensive solution for receiving, inspecting, debugging, and testing HTTP webhooks during development and production.

Whether you're building integrations, debugging API callbacks, or testing webhook consumers, h00k.dev gives you the tools you need to inspect every detail of incoming HTTP requests in real-time.

Key Features​

🚀 Instant Webhook Endpoints​

Create temporary or persistent webhook endpoints in seconds. No configuration required - just click and start receiving requests.

📡 Real-Time Updates​

See incoming webhook requests instantly with real-time updates. No need to refresh the page.

🔍 Deep Request Inspection​

Examine every aspect of incoming requests:

  • HTTP method, path, and protocol
  • Headers with detailed descriptions
  • Query parameters
  • Request body (JSON, XML, images, text)
  • Timestamps and metadata

🎭 Mock Responses​

Create intelligent mock responses that match specific patterns:

  • Pattern-based routing with wildcard support
  • Custom status codes and headers
  • AI-powered response generation
  • Method-specific mocking (GET, POST, PUT, etc.)

➡️ Request Forwarding​

Automatically forward incoming webhooks to your local development server or any target URL:

  • Method filtering
  • Header selection
  • Real-time forwarding results
  • Manual replay capability

📸 Snapshots​

Create shareable, immutable snapshots of webhook requests:

  • Public URL for team collaboration
  • Commenting system for discussions
  • Permanent links for documentation
  • Expiration options

🔐 Authentication​

Support for both anonymous and authenticated users:

  • Anonymous users: Quick temporary bins with no signup
  • Authenticated users: Persistent bins, dashboard, extended retention

🌓 Dark/Light Mode​

Beautiful interface with full dark and light mode support, synced across all devices.

Use Cases​

API Integration Testing​

Test third-party webhooks before going live. Inspect payloads, verify signatures, and validate data formats.

Frontend Development​

Mock API responses without backend setup. Use AI to generate realistic responses on-the-fly.

Debugging Production Issues​

Capture and share problematic webhook requests with your team using snapshots.

Documentation​

Create permanent examples of webhook payloads for API documentation.

Local Development​

Forward webhooks from production systems to your local development environment.

Who is h00k.dev for?​

  • Backend Developers: Test webhook integrations and API callbacks
  • Frontend Developers: Mock API responses during development
  • DevOps Engineers: Debug production webhook issues
  • QA Engineers: Validate webhook behavior and payloads
  • Technical Writers: Document API examples with permanent links
  • Integration Partners: Share webhook examples with clients

Getting Started​

Ready to start? Check out our Getting Started Guide to create your first bin and start receiving webhooks.

Support​

Need help? Have questions?

Let's get hooking! 🎣