---
title: Reference
image: https://developers.cloudflare.com/core-services-preview.png
---

> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/resource-tagging/llms.txt  
> Use this file to discover all available pages before exploring further.

[Skip to content](#%5Ftop) 

# Reference

* [ Supported resource types ](https://developers.cloudflare.com/resource-tagging/reference/resource-types/)
* [ Limits and validation ](https://developers.cloudflare.com/resource-tagging/reference/limits/)
* [ Error codes ](https://developers.cloudflare.com/resource-tagging/reference/error-codes/)

```json
{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/directory/","name":"Directory"}},{"@type":"ListItem","position":2,"item":{"@id":"/resource-tagging/","name":"Resource Tagging"}},{"@type":"ListItem","position":3,"item":{"@id":"/resource-tagging/reference/","name":"Reference"}}]}
```