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

# Introduction

> API Reference for WattShift

<script type="text/javascript" id="hs-script-loader" async defer src="//js.hs-scripts.com/46106422.js" />

<Note>
  All our endpoints use `POST` method and the request and response are in JSON
  format.
</Note>

## Welcome

If you haven't already, visit our Quick Start guide to get started with WattShift API.

<Card title="Quick Start Guide" icon="bolt" href="/docs/get_started/quickstart">
  Get Started with WattShift API
</Card>

## Authentication

All API endpoints are authenticated using an API key.
Follow the [Get API Key](/docs/get_started/get-api-keys) guide to obtain keys for sandbox and production environments.
