Skip to content
Know.itKnow.it
Create an animated lesson
On request

This article is free to read. Creating a lesson uses your daily or stored credits; review the language and settings before starting.

What is a webhook?

TechnologyLesson on requestFree to read

Quick answer

A webhook is a way for one app to instantly notify another when something happens, by sending an automatic message to a URL. Unlike constantly asking 'any updates? ', webhooks push data the moment an event occurs — making integrations fast and efficient.

Key things to understand

  1. It's an automatic message sent when an event happens.
  2. One app pushes data to another app's URL.
  3. It avoids constantly polling for updates.
  4. It powers real-time integrations between services.

People also ask

What is a webhook?
An automated message an app sends to a URL when an event occurs, instantly notifying another service.
What's the difference between a webhook and an API?
You call an API to request data; a webhook pushes data to you automatically when something happens.
What are webhooks used for?
Real-time notifications like payment confirmations, new messages, or triggering automated workflows.