Resolved Markets

Resolved Markets

Polymarket orderbook API with historical snapshots and a built-in backtester

Freemium - Free tier available; paid plans for higher usage and enterprise access.

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About Resolved Markets

Resolved Markets provides structured historical and live Polymarket orderbook data for prediction-market research and trading. It offers 4.2B+ orderbook snapshots across 184 recurring and event series (since March 2026), delivered via REST, WebSocket and MCP streams, plus an integrated backtester for strategy simulation and evaluation. Covers crypto, politics, sports and economic indicators. Free tier available for lightweight use.

Key Features

  • 4.2B+ historical orderbook snapshots across 184 series
  • REST and WebSocket APIs plus MCP streaming
  • Integrated backtester for strategy simulation
  • Structured coverage across crypto, politics, sports, and economic events
  • Free tier with paid plans for higher usage

Who is this for?

Developers, data scientists, quantitative traders, and researchers building prediction-market models, analytics, or backtesting strategies.

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