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Backend
Webhook
A URL that receives automatic HTTP notifications when something happens in another service.
The Full Picture
Webhooks are how services talk to each other in real time. When a Stripe payment succeeds, Stripe sends a POST request to your webhook URL with the payment details. When someone pushes to GitHub, GitHub notifies your CI/CD.
In vibe coding, you'll encounter webhooks with payments (Stripe), auth (Clerk, Supabase), form submissions, and deployment triggers. The critical thing AI often misses: webhook signature verification — without it, anyone can fake events to your endpoint.
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