What Is a Webhook? A Practical Guide (Plus a Real-World Bank Transfer Use Case)

Have you ever written something like this? js setInterval(async () => { const res = await fetch('https://api.example.com/orders/123/status'); const { status } = await res.json(); if (status === 'paid') { // Finally! } }, 5000); Every 5 seconds you ask the server: "Anything new?" And 99% of the time the answer is "Nope." It wastes requests,... Weiterlesen