Webhook Debugger

Self-hosted webhook inspector that captures, replays, and verifies webhook signatures.

Servicefree

Webhook Debugger is a free, self-hosted tool that captures, inspects, replays, and verifies the signatures of incoming webhooks from services like Stripe, GitHub, Shopify, and Slack, keeping 90 days of history. It's for developers debugging webhook integrations who don't want to hand payload data to a third-party webhook-inspection SaaS.

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Behind the summary, Matchbox keeps a richer profile of Webhook Debugger - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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