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ElevenLabs

Simli

The API devs use to add faces to realtime AI agents

Welcome to Simli

Create Agent

We have made some preset faces for you to use. You can use the [Agents API](/api-reference/endpoint/agent/agent-create) to create your own agent with one of these faces, or use the `faceID` directly in our JavaScript SDK.

Preset Faces

Embed a Simli Agent on your website in a few minutes.

Simli Widget

Create interactive AI avatars with just a few API calls

Simli Auto

Python

Discord Server

Create Simli session token to be used in Simli sessions (i.e., the [/auto/start/{agent_id}](/api-reference/endpoint/simli-auto/start) endpoint)

/auto/token

Start a Simli session with an agent ID and session token

/auto/start/{agent_id}

Start a Simli session with body parameters (as opposed to using agent ID + session token)

/auto/start/configurable

/auto/transcript/{session_id}

Custom LLM guide

/generateFaceID

/getRequestStatus

Update Agent

Delete Agent

Get Agent

Get All Agents

/startWebRTCSession

Start a session and get it's session token

/startAudioToVideoSession

Get TURN servers if you need them for NAT avoidance

/getIceServers

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

/textToVideoStream

/audioToVideoStream

Pipecat

LiveKit

Video Tutorials

Use Cases

Feature Your Video

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

Get Started

Use Simli Widget

Use Simli Auto

Use an SDK

Links

ElevenLabs

create-simli-app-elevenlabs