Market Feeds - Complete API Reference Real-time and historical market data from Polymarket, Kalshi, Manifold, Metaculus, PredictIt, Drift, Betfair, and Smarkets. Supported Platforms | Platform | Feed Type | Trading | Data | |----------|-----------|---------|------| | Polymarket | WebSocket + RTDS | Yes | Prices, orderbook, trades | | Kalshi | WebSocket | Yes | Prices, orderbook | | Betfair | WebSocket | Yes | Odds, volume | | Smarkets | WebSocket | Yes | Odds, volume | | Drift | REST | Yes | Prices, funding | | Manifold | WebSocket | Read-only | Prices, comments | | Metaculus | REST | Read-on…