---
title: Add documentation for max_lifetime and max_use backend properties
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2026/05/add-max-lifetime-max-use
---



The [backends API](https://www.fastly.com/documentation/reference/api/services/backend/)
now supports `max_lifetime` and `max_use` properties for further tuning of connection
pooling for service backends.