> ## Documentation Index
> Fetch the complete documentation index at: https://heygen-1fa696a7.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# HeyGen API Documentation

> Developer documentation, API reference, and integration guides for HeyGen — AI-powered video generation, avatars, voice cloning, and translation.

Welcome to HeyGen for developers.

Head to the [API Reference](/reference) to start building.