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Simli

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. To see it in action first, [try our demo](https://www.simli.com/demo). Ready to make your first one?

Get Started

Create Simli Agent

Javascript SDK

Backend Authentication

Python SDK

Use our pre-made faces or create your own avatar

Create Avatar

Simli WebRTC Guide

WebRTC with WebSockets Signaling Guide

Migration guide to WebSocket Signaling

WebRTC and you, the bare minimum to get going

WebRTC

Audio and the forgotten knowledge of the past

Audio formats

This endpoint returns a url of an HLS .m3u8 playlist file along with an mp4 file.

/textToVideoStream

/audioToVideoStream

Start a session and get it's session token

/startAudioToVideoSession

/startWebRTCSession

Get TURN servers if you need them for NAT avoidance

Get Started

Simli Compose - API Reference

Simli Auto - API Reference

Face ID Creation API Reference

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