HookBox
HookBox is a web-enabled message queue and Comet server that provides instant webhook endpoints and disposable email inboxes for developers to test, debug, and monitor real-time web applications with AI-powered insights.
https://www.hookbox.app/?ref=producthunt
Product Information
Updated:Sep 26, 2025
What is HookBox
HookBox is a developer-focused tool designed to ease the development of real-time web applications, with an emphasis on tight integration with existing web technologies. It serves as a bridge between web applications and real-time communication, offering developers instant webhook endpoints and temporary email inboxes without requiring any signup. The platform combines message queuing capabilities with modern debugging tools, making it an essential utility for testing and troubleshooting web applications.
Key Features of HookBox
HookBox is a developer tool that provides instant webhook endpoints and disposable email inboxes for testing and debugging purposes. It allows developers to capture, inspect, and replay HTTP requests and emails without requiring any signup, offering features like 24-hour request retention, request replays, and AI-powered debugging insights.
Instant Webhook Endpoints: Get unique URLs instantly for capturing and inspecting HTTP requests without any setup or configuration
Disposable Email Inboxes: Generate temporary email addresses for testing transactional emails and notifications
AI-Powered Debugging: Advanced analysis of requests with AI that highlights issues, suggests fixes, and summarizes payloads
Request Replay System: Ability to replay captured requests up to 3 times (unlimited with Pro version) for thorough testing
Use Cases of HookBox
API Integration Testing: Developers can test webhook integrations and verify payload formats before implementing in production
Email System Development: Test transactional emails and notification systems using disposable inboxes
Debug Production Issues: Capture and analyze webhook requests to troubleshoot integration problems in real-time
Pros
No signup required for basic usage
Instant setup and deployment
AI-powered debugging assistance
Cons
Limited request retention (24 hours)
Restricted number of replays in free version
AI insights feature needs more real-world validation
How to Use HookBox
Visit HookBox website: Go to hookbox.app to get started - no signup required
Get webhook endpoint: You'll receive a unique webhook URL in the format https://hookbox.app/api/webhook/{unique-id} that you can use immediately
Get email inbox: You'll receive a unique disposable email address in the format {unique-id}@hookbox.email for testing transactional emails
Send requests: Send any HTTP requests to your unique webhook URL or emails to your disposable inbox
View & inspect requests: All incoming webhook requests and emails will appear instantly in your dashboard for inspection
Replay requests: You can replay captured webhook requests up to 3 times per request in the free tier
Debug with AI (Pro): Upgrade to Pro to get AI-powered insights that highlight issues, suggest fixes, and summarize payloads
Manage retention: Requests are stored for 24 hours in the free tier, with up to 20 requests stored at a time
HookBox FAQs
HookBox is a developer tool that provides instant webhook endpoints and disposable email inboxes for testing and debugging. It allows developers to capture, inspect, and replay HTTP requests and emails without requiring signup.
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