TypeScript-first SDKs for CEX & DEX REST APIs & WebSockets. Built with precision. Designed & heavily used by algorithmic traders.
Take a look at our website: Siebly.io and Algorithmic Systems Blog.
Tip
As part of the Siebly.io brand, all our SDKs are now hosted under the Siebly.io GitHub organisation. The migration is seamless and requires no user changes.
We've developed Node.js SDKs for various popular cryptocurrency exchanges, providing easy-to-use interfaces for both REST APIs and WebSockets. Check out our Node.js SDKs and packages, available on NPM & GitHub:
| Exchange | GitHub Repo | NPM Package | NPM Downloads | Tutorial |
|---|---|---|---|---|
| Bybit | sieblyio/bybit-api |  |
 |
Bybit JavaScript SDK Tutorial |
| OKX | sieblyio/okx-api |  |
 |
OKX JavaScript SDK Tutorial |
| Binance | sieblyio/binance |  |
 |
Binance JavaScript SDK Tutorial |
| Gate.io | sieblyio/gateio-api |  |
 |
Gate JavaScript SDK Tutorial |
| Bitget | sieblyio/bitget-api |  |
 |
Bitget JavaScript SDK Tutorial |
| KuCoin | sieblyio/kucoin-api |  |
 |
KuCoin JavaScript SDK Tutorial |
| Coinbase | sieblyio/coinbase-api |  |
 |
Coinbase JavaScript SDK Tutorial |
| Kraken | sieblyio/kraken-api |  |
 |
Kraken JavaScript SDK Tutorial |
| HTX | sieblyio/htx-api |  |
 |
HTX JavaScript SDK Tutorial |
| Hyperliquid | sieblyio/hyperliquid-api |  |
 |
Hyperliquid JavaScript SDK Tutorial |
Tip
New: Check out our brand new Hyperliquid SDK for all JavaScript & Node.js ecosystems, built in the performant and reliable architecture all our SDKs are built on: Hyperliquid JavaScript SDK.
- Open-source
- Full TypeScript support
- Comprehensive API coverage
- Robust WebSocket integration
- REST-like WebSocket API integration
- Excellent documentation
- Regular updates and maintenance
- Years of reputation with thousands of users
- OrderBooks - Efficient & minimal order book management
- AccountState - Crypto exchange account state cache
🔍 Check out awesome-crypto-examples for practical Node.js implementations.
🔍 Read our Algorithmic Trading Blog for tutorials, guides and best practices for building resilient algorithmic systems.
- 💻 Node.js, JavaScript, and TypeScript dev
- 🚀 Sharing open-source software: https://github.com/tiagosiebler
- 🚀 Siebly on GitHub: https://github.com/sieblyio
- 🚀 Siebly.io Website: https://siebly.io
- Crypto APIs with AI: Siebly.io AI Prompt Framework
Feel free to explore my repositories and don't hesitate to reach out if you have any questions or want to collaborate!