Welcome to PolyHistorical
PolyHistorical is a historical data API for cryptocurrency prediction markets. We capture real-time snapshots of prices, order books, and outcomes at regular intervals, giving traders and developers the data they need to backtest strategies and analyze market behavior.What you can do
Query Markets
Browse active and resolved prediction markets with filtering and pagination.
Get Snapshots
Access time-series snapshots with price data and full order book depth.
Backtest Strategies
Use historical data to test and validate your trading strategies.
Real-time Data
Sub-second granularity with snapshots captured every 5m, 15m, 1h, 4h, and 24h.
Supported markets
| Coin | Market Types | Status |
|---|---|---|
| BTC | 5m, 15m, 1h, 4h, 24h | Active |
| ETH | Coming soon | Planned |
| SOL | Coming soon | Planned |
Quick links
Get your API key
Sign up free. No credit card required.
Quickstart
Make your first API call in under a minute.
Pricing
Start free, upgrade when you need more.