Why It Matters
Webhooks enable real-time reactions between your systems. Without them, your software would need to repeatedly poll another service for updates, essentially refreshing over and over to see if something has changed. That approach wastes resources and introduces delays. Webhooks eliminate both problems by delivering the information the moment it exists. If your business relies on timely responses to customer actions, payment confirmations, or third-party events, webhooks are almost certainly part of the architecture behind them. They are a building block of almost every system integration project.
Example
A customer completes a payment through Stripe. Stripe sends a webhook to your server containing the payment details. Your server receives it, verifies it is genuine, marks the invoice as paid in your database, sends the customer a receipt email, and updates their account access. All of that happens within seconds of the payment, without anyone on your team lifting a finger.
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