Learn how webhooks notify your server of external events like successful subscription payments, and how to verify signatures securely.
While traditional APIs require you to pull data at intervals, webhooks push data to your server immediately when an event occurs. For example, when a customer pays an invoice, the payment processor calls your webhook route.
Always verify the request signature sent by the provider using your shared secret key (utilizing crypto.timingSafeEqual) to prevent attackers from spoofing payment events.
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