Predict

Polymarket prediction markets, prices, trades & whales. 13 pay-per-call predict endpoints for AI agents — keyless, USDC via x402.

predict.kalshi-events$0.0010
Browse Kalshi events (an event groups related markets, e.g.
GET /api/predict/kalshi-events
predict.kalshi-market$0.0010
A single Kalshi market by ticker.
GET /api/predict/kalshi-market
predict.kalshi-markets$0.0010
Browse Kalshi regulated prediction markets.
GET /api/predict/kalshi-markets
predict.kalshi-orderbook$0.0010
Order book for a Kalshi market by ticker: resting yes and no bids with price (dollars) and size (contracts).
GET /api/predict/kalshi-orderbook
predict.kalshi-trades$0.0010
Recent trades on Kalshi, optionally filtered to one market ticker.
GET /api/predict/kalshi-trades
predict.market$0.0010
A single Polymarket market by conditionId, slug, or id.
GET /api/predict/market
predict.markets$0.0010
Browse Polymarket prediction markets.
GET /api/predict/markets
predict.orderbook$0.0010
Full CLOB order book (bids + asks with price and size) for a Polymarket outcome token.
GET /api/predict/orderbook
predict.price$0.0010
Live best bid, best ask, and midpoint for a Polymarket outcome token (CLOB token id — get it from predict.markets clobTokenIds).
GET /api/predict/price
predict.price-history$0.0020
Time-series price (implied-probability) history for a Polymarket outcome token.
GET /api/predict/price-history
predict.trades$0.0010
Recent Polymarket trades.
GET /api/predict/trades
predict.wallet$0.0020
A Polymarket trader's portfolio by wallet address: total portfolio USD value plus open positions (market title, outcome, size, average vs current price, current
GET /api/predict/wallet
predict.whales$0.0020
Polymarket whale radar: the largest recent trades by USD notional across all markets, ranked.
GET /api/predict/whales

Discovery