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Glossary
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Performance

Avatar API

Definition

An avatar API is a developer interface for adding a real-time AI Avatar to your own product. You send it audio or connect it to your agent, and it streams back video of the avatar speaking, inside your app, website or call.

How avatar APIs work

You create an API key, choose an avatar and start a session. The API connects to your app over a real-time transport and streams the avatar's video while your agent supplies the conversation. Some avatar APIs provide only the face; others run the whole agent.

When choosing one, compare visual quality, latency (and which kind is quoted), concurrency, languages, integrations, data location and price per minute.

How Beyond Presence does it

Beyond Presence offers two APIs: the Speech-to-Video API for the face only, and the Managed Agents API for the complete agent. Integrations include LiveKit, a REST API, Python and JavaScript SDKs, iframe embedding and a verified n8n integration. Read the docs.

Frequently asked questions

Which APIs does Beyond Presence offer?

The Speech-to-Video API for the face only, and the Managed Agents API for the complete video agent.

How do I integrate the Beyond Presence API?

LiveKit is the recommended integration. There is also a REST API, Python and JavaScript SDKs, iframe embedding and a verified n8n integration.

Is there a free Beyond Presence API plan?

Yes. The Free plan includes 40 minutes of Speech-to-Video or 20 minutes of video agents a month.

Last reviewed:
November 11, 2026