What you can build
Trading bots
Access real-time orderbook data and trade history to power automated trading strategies.
Market analytics
Analyze market movements, spreads, and liquidity across exchanges.
Research tools
Search and filter across thousands of prediction markets.
Price feeds
Get live pricing data for any market with WebSocket streaming.
Supported exchanges
| Exchange | ID Prefix | Description |
|---|---|---|
| Kalshi | klsi_id | US-regulated prediction market exchange |
| Polymarket | poly_id | Decentralized prediction market platform |
| Limitless | market_id | Prediction market platform |
| Pfun | market_id | Prediction market platform |
Get started
Quickstart
Get a test API key and make your first request in under a minute.
Authentication
Learn about API keys, rate limits, and error handling.