Demo

    See what you can build

    We built this terminal to showcase what's possible on Predexon data alone — live markets, streaming books, wallet tracking, and portfolio analytics, all powered by the same API you get.

    demo.predexon.com
    Predexon demo terminal — live prediction market data

    Powered by the Predexon API

    Everything in the demo is available through the same endpoints and streams you build on.

    Unified market data

    Kalshi and Polymarket markets, prices, and books through one API.

    Market matching

    Cross-platform market discovery via API endpoints.

    Real-time streams

    WebSocket feeds with mempool access — see trades before confirmation.

    Wallet tracking

    Follow any wallet's fills and positions in real time.

    Price history

    Candlesticks, volume, and open interest for every market.

    Portfolio endpoints

    Unified position and PnL data across markets.

    Start building today

    Tick-level orderbook history, the fastest WebSocket, and blockchain-indexed analytics for every major prediction market — through one clean, predictable API.