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

# Welcome to Simli

> The API devs use to add faces to realtime AI agents

<img noZoom src="https://mintcdn.com/simli/NELbEX-teJCHwcnx/images/simli%20banner.jpg?fit=max&auto=format&n=NELbEX-teJCHwcnx&q=85&s=7a9b92c8b79ec9063117a4a6c1800a38" alt="Simli. Avatars. Face. Create. Realtime" height={20} data-path="images/simli banner.jpg" />

The Simli speech-to-video API lets developers create lip-synced AI avatar interactions. With visual AI avatars, you can create anything! Mock interviews, sales assistants, language learning, coaching, customer-service training, historical characters, and so much more.
Ready to make your first one?

<CardGroup cols={2}>
  <Card title="Use LiveKit (recommended)" icon="pickaxe" iconType="duotone" href="/api-reference/livekit">
    LiveKit is a realtime communication platform that allows you to create voice and video chat applications. Deploying your own LiveKit server is quick and easy.
  </Card>

  <Card title="Use PipeCat" icon="cat" iconType="duotone" href="/api-reference/pipecat">
    Pipecat is an open source Python framework for building voice and multimodal AI bots that can see, hear, and speak in real-time.
  </Card>
</CardGroup>

<Card title="Use Simli SDKs" icon="js" href="/api-reference/javascript">
  For when you need full control of your tech stack (e.g., custom voice bots).
</Card>

<Spacer size={20} />

<Card title="Join our community" icon="discord" href="https://discord.gg/yQx49zNF4d">
  Share your projects, get technical help, and stay up-to-date with the latest features.
</Card>