PolyTest

Introduction

PolyTest is an advanced Polymarket backtesting API designed for crypto trading enthusiasts and professionals. It allows users to replay historical orderbooks and test trading strategies on crypto prediction markets with ease.

Key Features

• Production-ready API: Backtest crypto Up/Down markets in minutes.
• Extensive Data: Access over 90 million historical snapshots with sub-second resolution.
• Wide Market Coverage: Currently supports BTC, ETH, and SOL, with XRP, DOGE, and BNB coming soon.
• Comprehensive Orderbook Depth: Provides full bid/ask data across 8 levels.
• Fast and Reliable: Offers 42 ms p50 response time and 99.9% uptime.

Use Cases

• Traders & New Enthusiasts: Validate strategies before risking capital.
• Bot Builders & Vibecoders: Develop trading bots with real-time data.
• Researchers: Analyze market movements and trends.
• App Developers: Create prediction market products efficiently.

Unique Selling Points

• No Setup Headaches: Get started with a 5-minute integration and no credit card required.
• Clean JSON Responses: Ensures smooth integration with tools like Cursor, Claude Code, and Codex.
• Community Endorsements: Highly praised by developers for its comprehensive data and ease of use.

Technical Details

• Supported Platforms: Works seamlessly with various AI tools and custom-built applications.
• Integrations: Compatible with Cursor, Claude Code, OpenClaw, Codex, and more.

“Finally an API that actually gives you the full book. Everywhere else it's just mid price which is useless if you want to know what your fills would actually look like.” - Priya M., Algo developer