Get your free API key at dashboard.predexon.com to unlock higher rate limits and all features.
Welcome to Predexon
Predexon provides a unified API for accessing prediction market data across multiple platforms. Get real-time market data, historical prices, orderbook snapshots, and cross-platform market matching - all through a single, consistent interface.Quickstart
Get up and running with your first API call in under 5 minutes.
API Reference
Explore the complete API documentation with interactive examples.
Markets Guide
Learn how prediction markets work and how to query them.
Cross-Platform Matching
Discover equivalent markets across Polymarket and Kalshi.
Key Features
Unified Market Data
Unified Market Data
Access Polymarket data through a clean, consistent API. Query markets, get real-time prices, historical candlesticks, and orderbook snapshots.
Cross-Platform Matching
Cross-Platform Matching
Find equivalent or related markets across Polymarket and Kalshi. Perfect for arbitrage detection, portfolio diversification, or research.
Wallet Analytics
Wallet Analytics
Track wallet positions, calculate P&L over time, and analyze trading activity for any address.
Historical Data
Historical Data
Access historical candlesticks, volume time series, open interest, and orderbook snapshots for backtesting and analysis.
Quick Example
Fetch active markets sorted by volume:Supported Platforms
Polymarket
Full data access including markets, orders, activity, positions, and orderbooks.
Kalshi
Markets, trades, and orderbook data with cross-platform matching.
Dflow
Wallet trades, positions, and PnL tracking on Solana.
Need Help?
Join Discord
Get help from the community
Email Support
Contact the team directly