About HookNimbus

HookNimbus — Capture, inspect, and replay webhooks — free, in your browser. Free to use, no trial, no watermark, and no account required to get started.

Why HookNimbus

Webhooks fail silently: a provider fires, your endpoint 500s or times out, and the event is gone. HookNimbus gives every request a permanent, inspectable home — capture it at the edge first, then replay to your app once it is healthy.

Everything you need to debug an integration in one place: a throwaway inbox that captures raw requests, a tester that sends arbitrary payloads to any URL, a JSON formatter, and an HMAC signature verifier for GitHub and Stripe schemes.

Free to use

Every tool here is free — no account required and no caps on the essentials. Create a free account to sync your history across devices (never your content or files), and a future Pro plan will add conveniences for power users. The free tools stay free, regardless.

The Nimbus family

HookNimbus is part of the Nimbus suite of free browser-based tools by PecanAI.io:

• FileNimbus — Image & PDF tools
• BillNimbus — Invoice & receipt generator
• TimeNimbus — Timers & countdowns
• QRNimbus — QR codes & short links
• KitNimbus — Developer utilities
• PollNimbus — Live polls & surveys
• DiffNimbus — Text & code comparison
• UpNimbus — Uptime & status pages
• SubNimbus — Subscription tracker
• ShareNimbus — Secure file sharing
• PixNimbus — Image CDN & optimizer

Requests steer the roadmap: tell us what you need.