---
title: req.esi
summary: null
url: https://www.fastly.com/documentation/reference/vcl/variables/esi/req-esi
---

**Type:** BOOL  
**Access:** can be read and set, but not unset

**Available in:** recv, fetch, deliver, error

Whether to allow [Edge Side Includes](https://www.fastly.com/documentation/reference/vcl/statements/esi/) (ESI) processing during this request. Using 
`set req.esi = false;` will disable ESI processing. The default value is `true`.

For more information about edge side includes and how to use them with Fastly, see the `esi` statement.