Polling means your app asks a server ‘did anything happen?’ every few seconds — burning server time and API rate limits even when nothing changed. A webhook flips that: the other server pushes data to your endpoint the instant an event happens, so you pay zero cost while waiting. This is how Stripe fires off a payment confirmation, how a form submission triggers your email autoresponder, and how silent income systems process orders without you refreshing a dashboard.
Key takeaway: Polling asks ‘did anything happen yet?’ a thousand times a day. Webhooks wait for the answer to knock on your door. Push beats pull — every time.
Full lesson: https://thesilentwebmaster.com/?post_type=mini_blog_lesson&p=887
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