---
description: Reference for URL rewrite Transform Rules.
title: Reference
image: https://developers.cloudflare.com/og-docs.png
---

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# Reference

Last updated Apr 16, 2026|Copy as Markdown|[View as Markdown](https://developers.cloudflare.com/rules/transform/url-rewrite/reference/index.md)|[Agent setup](https://developers.cloudflare.com/agent-setup/)

This section contains reference information for URL Rewrite Rules.

* [URL rewrite parameters](https://developers.cloudflare.com/rules/transform/url-rewrite/reference/parameters/)
* [Available fields and functions](https://developers.cloudflare.com/rules/transform/url-rewrite/reference/fields-functions/)

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