Neynar Documentation

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

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

Links

• GitHub Repository – neynarxyz/nodejs-sdk - Browse the complete source code.
• NPM Package – @neynar/nodejs-sdk - Install the SDK directly.

Installation

Install using your preferred package manager:

• npm

• yarn

• pnpm

npm install @neynar/nodejs-sdk

yarn add @neynar/nodejs-sdk

pnpm add @neynar/nodejs-sdk