What is Webhook?

An automated message sent from one application to another when a specific event occurs, enabling real-time data transfer.

Webhooks are 'reverse APIs' - instead of requesting data, they push data automatically when something happens. For example, HubSpot can send a webhook when a new contact is created, immediately notifying your other systems. Webhooks enable near real-time integrations without constantly polling for changes. However, they require endpoint configuration, proper security (signature verification), and error handling for when the receiving system is unavailable.

Related Terms

API (Application Programming Interface)

A set of protocols and tools that allow different software applications to communicate and exchange data with each other.

Real-Time Sync

Data synchronization that occurs immediately or near-immediately when changes happen, typically within seconds or minutes.

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