Home / Market & alternative data
PENDAX
JavaScript SDK for crypto exchange data and orders
What it is
A JavaScript SDK for public market data and private account calls on a fixed set of crypto exchanges. Integrated venues are OKX, Bitget, Blofin, Bybit, MEXC, and Phemex, with REST and websocket access to pairs, tickers, prices, order books, trade history, and charts without an API key. Developers and traders can query balances and place or manage orders after they add keys created on the exchange. Public fields and private commands differ by venue, each exchange enforces its own rate limits, and venues listed only on the roadmap are not in this set.
At a glance
Not recommendedOur rating, based on popularity, maintenance and how ready it is for real use.
| Best for | Developers |
|---|---|
| Used for | Live trading, Data source |
| Markets | Crypto |
| Stack | JavaScript / Node.js |
| Learning curve | Moderate learning curve |
| Practical value | Low practical value |
| Cost | Free and open source |
| Hardware | No GPU needed |
| Maintenance | No commits in over six months |
GitHub stars, last 30 days
Daily snapshots since 2026-09-28 (up to 30 days): 0 over the period, now 50. Gaps mean no snapshot was taken that day.
Javascript SDK for Trading/Data API and Websockets for FTX, FTXUS, OKX, Bybit, & More.
Similar tools
Julia modules for spot and futures crypto venue data
Free DEX swap quotes with signable transaction calldata
Unified API for trading across prediction markets
Unofficial Python wrapper for the TD Ameritrade trading APIs
REST and streaming API for multi-asset brokerage