SDKs & Tools

Build with Gemini using official SDKs and developer tools.

TypeScript SDK

The official TypeScript SDK for the Gemini API. Two entry points — gemini-markets/server for Node.js, Bun, and Deno, and gemini-markets/browser for frontend apps and edge runtimes.

Code
npm install gemini-markets

• Quickstart — install, create a client, make your first request
• Authentication — HMAC, OAuth, and browser PKCE
• WebSocket — real-time streams and live order books
• Error handling — error classes, diagnostics, and safe logging
• Patterns & recipes — pagination, timeouts, heartbeat, and advanced configuration
• API Reference — all 105 operations across 7 namespaces, with code examples
• WebSocket Reference — streams, methods, and wire format
• Deep dives — order book reconstruction, RFQ, data types, request validation, sessions, transport

Build with Gemini today

• Set up authentication
• Use the demo environment
• Explore API specifications