Attention

TYPO3 v12 has reached end-of-life as of April 30th 2026 and is no longer being maintained. Use the version switcher on the top left of this page to select documentation for a supported version of TYPO3.

Need more time before upgrading? You can purchase Extended Long Term Support (ELTS) for TYPO3 v12 here: TYPO3 ELTS.

Webhooks and reactions

New in version 12.1/12.3

A webhook is an automated message sent from one application to another via HTTP. It is defined as an authorized POST or GET request to a defined URL. For example, a webhook can be used to send a notification to a Slack channel when a new page is created in TYPO3.

TYPO3 supports incoming and outgoing webhooks:

The system extension Reactions provides the functionality to receive webhooks in TYPO3 from third-party system.
The system extension Webhooks provides the possibility to send webhooks from TYPO3 to third-party systems.

System -> Configuration lists available reaction and webhook types which administrators can facilitate in the corresponding backend modules.

Have a look at the linked documentation for more details.