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Welcome to the Neynar Node.js SDK documentation! The Neynar Node.js SDK provides a simple, typed, and intuitive way to integrate Farcaster features into your applications. It wraps all major Neynar APIs behind a clean developer-friendly interface so you can focus on building, not plumbing.

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What You Can Do With the SDK

  • Fetch user, cast, feed, and reaction data
  • Publish casts and embedded actions
  • Verify frames, signatures, and messages
  • Work with Warpcast users, signers, and channel data
  • Access Neynar’s moderation, search, and feed endpoints
  • Build bots, automations, and server-side workflows

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Key Features

  • Lightweight & Tree-shakable – optimized for modern environments
  • Typed Endpoints – full TypeScript support for responses & errors
  • Easy Authentication – pass your API key once and start building
  • Battle-tested – used internally across Neynar apps & services

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Installation

Install using your preferred package manager: 
npm install @neynar/nodejs-sdk