Polymarket developer guides
Developer guides for Polymarket data: how the official API works, building and backtesting a trading bot, fees, and where to get historical prices and order books.
- Polymarket historical data: prices, trades, order books and resolutions: Where each kind of Polymarket history comes from, what the official APIs leave out, and how to download and backtest it.
- The Polymarket API, explained: Gamma, CLOB, Data API and WebSockets: what each returns, rate limits, auth, and what none of them provide.
- How to build a Polymarket trading bot: From data to a book-walking backtest, paper trading and live orders on the official SDK.
- Polymarket fees, explained: Taker fee rates by category, what a trade costs at each price, rebates, and the effect on backtests.
- Free Polymarket historical data: every option: Official price history and trades, on-chain data, community datasets and free historical order books.
- How to access Polymarket historical orderbook data: Find a market, pull point-in-time order-book snapshots and analyse full depth.