> ## 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.

# Live Avatar

> Build real-time, conversational avatars with the LiveAvatar API. Full documentation lives at docs.liveavatar.com.

**LiveAvatar** powers real-time, **conversational** avatars — the interactive counterpart to [Avatar Realtime](/avatar-realtime), which is built for one-way **broadcast** streaming.

Unlike Avatar Realtime — where your application owns STT and the LLM and HeyGen only renders the face — LiveAvatar can run the whole conversational loop for you: listening, understanding, and responding with a live avatar. It ships in two modes so you can choose how much of that loop HeyGen handles:

* **FULL mode** — HeyGen manages the end-to-end conversation (STT, LLM, TTS, turn-taking, memory, and contexts). Bring a prompt and a voice agent and you have a talking, listening avatar.
* **LITE mode** — you keep your own agent/LLM and use LiveAvatar for the avatar layer, wiring in integrations like the ElevenLabs Agent plugin.

LiveAvatar has its own API, guides, and concepts, documented on a dedicated site. Each link below opens the relevant page on **docs.liveavatar.com**.

## Start here

<CardGroup cols={2}>
  <Card title="LiveAvatar Overview" icon="book-open" href="https://docs.liveavatar.com/">
    What LiveAvatar is, how it works, and how to get set up.
  </Card>

  <Card title="Building with Agents" icon="robot" href="https://docs.liveavatar.com/docs/agent-skills">
    Agent skills that assess your stack and build the integration end to end.
  </Card>

  <Card title="Sandbox Mode" icon="flask" href="https://docs.liveavatar.com/docs/sandbox-mode">
    Try LiveAvatar without wiring up production credentials.
  </Card>

  <Card title="API Reference" icon="code" href="https://docs.liveavatar.com/">
    25+ endpoints for sessions, avatars, voices, contexts, LLM configs, and secrets.
  </Card>
</CardGroup>

## Choose a mode

<CardGroup cols={2}>
  <Card title="FULL Mode" icon="microphone-lines" href="https://docs.liveavatar.com/docs/full-mode/overview">
    HeyGen runs the full loop — lifecycle, voice settings, push-to-talk, custom LLM/TTS, and events.
  </Card>

  <Card title="LITE Mode" icon="plug" href="https://docs.liveavatar.com/docs/lite-mode/overview">
    Bring your own agent — configuration, events, integrations, and the ElevenLabs Agent plugin.
  </Card>
</CardGroup>

## Core concepts

<CardGroup cols={2}>
  <Card title="Avatars" icon="user" href="https://docs.liveavatar.com/docs/core-concepts/avatars">
    Pick and configure the avatar that fronts your conversation.
  </Card>

  <Card title="Voice Agents" icon="headset" href="https://docs.liveavatar.com/docs/core-concepts/voice-agents">
    Define the agent that listens and responds in real time.
  </Card>

  <Card title="Voices" icon="waveform-lines" href="https://docs.liveavatar.com/docs/core-concepts/voices">
    Choose and tune the voice your avatar speaks with.
  </Card>

  <Card title="Contexts" icon="layer-group" href="https://docs.liveavatar.com/docs/core-concepts/contexts">
    Ground the conversation in the knowledge it needs.
  </Card>

  <Card title="Memory" icon="brain" href="https://docs.liveavatar.com/docs/core-concepts/memory">
    Persist state across turns and sessions.
  </Card>

  <Card title="Secrets & Integrations" icon="key" href="https://docs.liveavatar.com/docs/core-concepts/secrets">
    Connect external services and manage credentials.
  </Card>
</CardGroup>

<Card title="Open the full LiveAvatar Documentation" icon="comments" href="https://docs.liveavatar.com/" horizontal>
  API reference, guides, changelog, and OpenAPI specs → docs.liveavatar.com
</Card>