HookBox

HookBox provides instant webhook endpoints and disposable email inboxes for developers to test and debug HTTP requests and transactional emails without signup. It targets software developers and engineering teams in startups and SMBs who need quick debugging tools. The service offers a free tier with 24-hour retention and paid Pro plans with unlimited replays, AI-powered debugging, and advanced email testing.

Key features

• Instant webhook endpoints
• Disposable email inboxes
• No signup required
• Inspect and replay requests
• AI-powered debugging insights
• 24-hour request retention
• Custom inbox names
• Extended 30-day retention
• Raw email headers viewing
• Multiple endpoints and project names