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

# Overview

> Understand the preezie API and how to use this documentation.

The preezie API allows approved clients to integrate preezie capabilities into their applications.

## Before you begin

To build an integration, you will need:

* Tenant identifier (tenant-id) provided after the preezie tenant creation.
* Npm preezie library installed (widget-sdk) found on ([https://www.npmjs.com/package/@preezie/widget-sdk](https://www.npmjs.com/package/@preezie/widget-sdk))
* Access to a preezie API environment
* Valid API key to use in the npm library (contact preezie to get a valid API key)
* An HTTP client capable of sending JSON requests

Continue to [Authentication](/getting-started/authentication) to configure your credentials.