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About
PolyTest is a historical snapshots API focused on Polymarket crypto Up/Down prediction markets. It lets developers and traders pull timestamped market snapshots at sub-second resolution and replay full-depth orderbooks, including bid/ask levels, spreads, and volume. The product is positioned for fast strategy validation and bot development: users pick a supported market (BTC, ETH, SOL, XRP) and timeframe, fetch data with a single API call, then backtest entry/exit logic or simulate market behavior using the historical orderbook. PolyTest includes a TypeScript SDK with typed integration to speed development workflows, including those assisted by AI coding tools. It also highlights performance and reliability metrics (low response latency and high uptime) and offers a free tier to start without a credit card.
Problem & solution
Problem
Hard to get reliable historical Polymarket Up/Down orderbook data for backtests
Solution
API provides sub-second full-depth snapshots to replay markets and backtest bots
Who it's for
Traders, bot builders, researchers, and app developers using Polymarket data
Main features
- Sub-second snapshots
- Full orderbook depth
- TypeScript SDK
- Multiple coins/timeframes
- Low-latency API
Use cases
- Backtest BTC/ETH Up/Down signals
- Build Polymarket trading bots
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