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Webhooknoun

An automatic notification sent to another system when an event occurs.

A webhook pushes a message to a URL you nominate the moment something happens — an order is approved, a delivery is confirmed, a payment lands — instead of the other system polling to ask.

Because delivery can fail or arrive twice, receivers must handle retries and be idempotent. A webhook processed twice should not create two purchase orders.

Also called

  • event callback
  • HTTP callback

See it in AWRA OpsHub

API & Webhook Automation

Webhook is not just a definition here

Data & Systems runs on this vocabulary every day in AWRA OpsHub — 19 of our 257 glossary terms describe things the platform actually does.