Langfuse JS/TS

This is the main JS/TS client for Langfuse.

Environments

Supported

• Node.js >=18
• Web
• Edge: Vercel, Cloudflare Workers, etc.

Using Node.js <18? Use langfuse-node instead as it does not use fetch and other Web APIs

Installation

npm i langfuse
# or
yarn add langfuse
# or
pnpm i langfuse

Documentation

→ docs.langfuse.com