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ElevenLabs JS Library

ElevenLabs JS Library is an official TypeScript and JavaScript SDK for Node.js applications that connect to the ElevenLabs API. It provides client methods for text-to-speech conversion, voice search, audio streaming and Speech Engine integrations for conversational AI servers.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

ElevenLabs JS Library — OpenViST project profile in AI Developer Tools & SDKs.
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Understand the project

Practical overview

When it fits

Use it when a Node.js or TypeScript application needs a programmatic, server-side connection to ElevenLabs. It is especially relevant for text-to-speech features, streamed audio and voice-agent backends.

Who it is for

  • Node.js developers integrating ElevenLabs services into server-side applications.
  • TypeScript teams building text-to-speech or voice-enabled features.
  • Developers connecting an existing or standalone WebSocket server to Speech Engine.

Documented uses

  • Generate speech from text through the ElevenLabs API.
  • Search available ElevenLabs voices.
  • Stream generated audio in real time.
  • Connect an LLM-backed application to Speech Engine conversations.
  • Expose ElevenLabs voice capabilities through a Node.js server or CLI utility.
Before you choose

Requirements & limits

The repository is public and MIT-licensed. The documented client configuration requires an ElevenLabs API key. The repository describes Node.js use and refers browser and React projects to separate SDKs.

  • Node.js scope: this package is the documented Node library, while browser and React integrations use separate packages.
  • API-key configuration is part of client setup.
  • Speech Engine requires an application-side LLM response flow; the example connects an existing server or a standalone WebSocket server.
  • Audio playback in the documented example requires MPV and ffmpeg.
  • Model selection affects documented language coverage and latency: the README lists separate multilingual, Flash and Turbo models.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Install the Node.js SDK and prepare a client

Add the official ElevenLabs JavaScript package to a Node.js application and configure its API client.

Before you start

  • A Node.js application using JavaScript or TypeScript.
  • An ElevenLabs API key.
  • npm or Yarn.

Steps

  1. Install the package with npm or Yarn using the documented package name.

  2. Import ElevenLabsClient from the package.

  3. Create the client with the API key, or allow it to read ELEVENLABS_API_KEY from the environment.

  4. Use the client methods documented for the required ElevenLabs service.

Expected outcome

The application has an initialized ElevenLabs API client ready for documented service calls.

Guide limitations

  • This setup recipe does not establish that a particular API call succeeds.
  • The package is the Node.js library; the repository points browser and React use cases to separate SDKs.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
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4 October 2026
Original website title
elevenlabs/elevenlabs-js · Official homepage title · retained in its source language
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