One API for all prediction markets
Pear API aggregates real-time data from Kalshi and Polymarket into a single, consistent interface. Instead of integrating with multiple platforms, query one API to access 11,500+ events and 79,000+ tradeable markets.Quickstart
Get your API key and make your first request in under 5 minutes.
API Reference
Complete reference for every endpoint, parameter, and response.
What you can build
Pear API provides the data layer for prediction market applications. Whether you are building a dashboard, a trading bot, or a research tool, the API gives you what you need.Unified Events
Access 11,500+ events across Sports, Elections, Economics, Crypto, and more — all normalized under a single schema.
Live Market Data
Real-time pricing with best bid, best ask, mid price, spread, volume, and liquidity for 79,000+ markets.
Cross-Platform Comparisons
4,300+ mappings between equivalent Kalshi and Polymarket events. Spot pricing discrepancies and compare platforms.
Core concepts
Events
Unified events that group prediction markets from different platforms under one ID.
Markets
Individual tradeable contracts with real-time pricing and volume data.
Comparisons
Cross-platform mappings that connect equivalent events across Kalshi and Polymarket.
Authentication
API key management, scopes, and security best practices.
Data at a glance
| Metric | Count |
|---|---|
| Unified events | 11,507 |
| Venue markets | 79,239 |
| Cross-platform comparisons | 4,391 |
| Categories | Sports, Elections, Politics, Entertainment, Economics, Crypto, and more |
| Platforms | Kalshi, Polymarket |