Cloud API

API Platform

Generate, manage, and animate realtime visual agents over REST — voice, gestures, files, and embedding, all from api.bithuman.ai. We host everything; you just call the endpoints.

New here? Start here API reference

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Quickstart

Make your first API call and drive a live agent in minutes.

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Authentication

API secrets, runtime tokens, and key setup.

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Build

Agents

Generate, resolve, update, and drive agents — speak & add context.

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Text to speech

31-language TTS, OpenAI-compatible voice endpoints.

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Gestures & animations

Trigger waves, nods, and idle motion via the Dynamics API.

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File upload

Upload portraits and assets for agent generation.

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Deliver

Talking video

Render a finished MP4 from text or audio — submit and poll.

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Embed widget

Mint a token and drop a live agent into any page.

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Operate & reference

API reference

Interactive

Full, interactive endpoint reference with try-it-out.

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Billing

Credit summaries and the realtime usage model.

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Webhooks

Subscribe to agent and render lifecycle events.

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Rate limits

Quotas and limits per endpoint.

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Errors

Every error code the API returns — and how to recover from each.

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