Documentation Index
Fetch the complete documentation index at: https://docs.polyhistorical.com/llms.txt
Use this file to discover all available pages before exploring further.
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.
Strategy Replay
Replay any past market tick-by-tick with your own entry and exit rules. Pro feature.
Real-time Data
Sub-second granularity with snapshots captured every 5m, 15m, 1h, 4h, and 24h.
Supported markets
| Coin | Market Types | Availability |
|---|---|---|
| BTC | 5m, 15m, 1h, 4h, 24h | All plans |
| ETH | 5m, 15m, 1h | Pro & Enterprise |
| SOL | 5m, 15m, 1h | Pro & Enterprise |
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.