> ## Documentation Index
> Fetch the complete documentation index at: https://developer.tra.cy/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

Tracy REST API:

* uses **resource-oriented URLs** (plural nouns separated by hyphens);
* accepts **URL parameters** for HTTP GET methods and a **JSON body** for POST, PUT, and PATCH;
* returns responses in **JSON format**;
* uses standard **HTTP response codes**;
* supports authentication via **JWT token** or **API key**;
* uses **UTF-8** encoding;
* uses **ISO 8601** date and time format (`YYYY-MM-DDTHH:mm:ss.sssZ`, the client is responsible for conversion *to* and *from* UTC);
* supports [**filtering**](/en/rest-api/filtering), [**sorting**](/en/rest-api/sorting), [**pagination**](/en/rest-api/pagination), and [**inclusion**](/en/rest-api/inclusion).