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

# Introduction

Welcome to version 4 of The Movie Database (TMDB) API. For help or support, visit our [API support forum](https://www.themoviedb.org/talk/category/5047958519c29526b50017d6).

To register for an API key, click the [API link](https://www.themoviedb.org/settings/api) in your account settings.

<Warning>The API registration process is not optimized for mobile devices. Please use a desktop computer and browser.</Warning>

Before receiving an API key, you must agree to our terms of use. Read them [here](https://www.themoviedb.org/documentation/api/terms-of-use).

## Dive In 🚀

<CardGroup cols={3}>
  <Card title="Application" href="/version-4/authetication/application" icon="window">
    <p>Understand application-level authentication.</p>
  </Card>

  <Card title="API Reference" icon="book" href="/version-4/api-reference-4">
    <p>Explore the full API reference documentation.</p>
  </Card>

  <Card title="User" icon="user" href="/version-4/authetication/user">
    <p>Learn about how users are being identify when interacting with our API</p>
  </Card>
</CardGroup>