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>log in to commenthi, i'm Amad. i started PayHook.co because i wanted to see webhooks from Stripe, Polar, Lemon Squeezy and Dodo in one place, and to know why a customer paid but still has no access. you add it as a second webhook endpoint, it gets a copy of every event, checks the signatures and says in plain English where a subscription's events stopped. it's a free private beta: i set up each project with you in test mode. it doesn't see your app's responses and there's no replay yet. tell me what's confusing or what you'd want it to catch.
- Shows exact payloads from Stripe, Paddle, Lemon Squeezy, Polar, Dodo
- Explains failures in plain English with fix prompts
- Provides event inspection, signature verification, and debugging UI
PayHook copies payment webhooks, diagnoses failures in plain English and provides fix prompts.
- for
- Developers building SaaS apps with Stripe, Paddle, Lemon Squeezy, Polar or Dodo payments.
- pricing
- freemium
Key features
- Multi-provider webhook copy — Receives a copy of every event from Stripe, Paddle, Lemon Squeezy, Polar and Dodo.
- Signature verification — Verifies each provider's webhook signature automatically.
- Plain-English diagnosis — Shows why a payment failed to activate and which part of your handler broke.
- Fix prompt generation — One-click copy of a ready-to-paste prompt for Cursor or Claude Code.
- Event replay (future) — Will allow replaying events with re-signed payloads and edited data.
- CLI forwarding (future) — Will forward events to localhost for local development.
Use cases
- Identify why a Stripe invoice.paid webhook returned 500 and the user never got access.
- Detect mismatched webhook secrets causing 401 errors on Polar order.paid events.
- Find slow handlers that time out on Paddle transaction.completed and fix them.
- Debug missing subscription IDs in webhook payloads without digging through logs.
- Generate AI-ready fix prompts for recurring webhook bugs.
PayHook.co vs alternatives
 PayHook.co |  Hookdeck |  Postman |  Insomnia |  Paddle | |
|---|---|---|---|---|---|
| Best for | Payment webhook debugging with AI-generated fixes | General webhook routing | API testing | API client | Payment processing |
| Pricing | Freemium | Free | Subscription | Free | Subscription |
| DevHunt upvotes | 1 | 30 | 0 | 0 | 0 |
| Launched | Oct 2026 | Mar 2024 | — | — | — |
- PayHook.co vs Hookdeck: Hookdeck is a generic event gateway; PayHook focuses on payment webhooks and AI diagnosis.
- PayHook.co vs Postman: Postman is for API design/testing; PayHook diagnoses payment webhook failures.
- PayHook.co vs Insomnia: Insomnia is an API client; PayHook provides automated failure analysis for payment events.
- PayHook.co vs Paddle: Paddle is a payment processor; PayHook works alongside processors to debug webhook issues.
PayHook.co FAQ
Do I need to change my code?+
No. Add the PayHook URL as a second webhook endpoint; your app continues to receive events unchanged.
How is PayHook different from Stripe CLI?+
Stripe CLI only works for Stripe and shows raw events; PayHook supports five providers, works without localhost, and gives plain-English failure explanations.
Can PayHook break or delay my webhooks?+
During beta it only copies events, so delivery to your app is unchanged; after beta it stores events then forwards them, best-effort without SLA.
Can I replay an event?+
After beta you can replay events; they are re-signed with your secret and include an X-PayHook-Replay header.
Is PayHook open source?+
The core (event intake, inspector, signature checks, CLI) will be open-sourced at launch; the hosted service and AI diagnosis remain paid.
Edited by the makers, based on payhook.co · Oct 10, 2026. Details may change; check the official site.
