> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.co-din.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How do I use the REST API?

Articles on: [Developers](/en/category/developers-12l9l8o/)

The REST API is the backbone of Crisp. It is used by all Crisp apps to let operators send messages, access their CRM, and more. As an integration developer, you have access to almost all of the features Crisp apps enjoy.  
  
👉 The [REST API documentation](https://docs.crisp.chat/guides/rest-api/quickstart/) is available on our Developer Hub.

Updated on: 13/03/2024