One API. All prediction markets. Infinite possibilities.
Stop juggling multiple APIs. Connect to Polymarket, Kalshi, Limitless, and more through a single, unified interface. Built for developers who want to focus on building, not integrating.
Supported Platforms
Connect with the platforms you already use
Try the API Live
Test our Markets and Price History APIs with real data
No API keys required. Experience the power of unified prediction market data with our interactive API tester.
Read the DocsMarkets API
Get real-time market data from multiple prediction market platforms with advanced filtering.
API Response
Real-time data from our unified prediction market APIs.
API response will appear here
Why choose PolyRouter?
The only API that connects to every major prediction market
Stop building multiple integrations. Get unified access to all prediction markets through our powerful, developer-friendly APIs.
Unified REST API
One API call gets you data from Polymarket, Kalshi, Manifold, and more. Includes specialized endpoints for sports markets and cross-platform analysis.
Custom Sports Endpoints
Purpose-built endpoints for sports betting markets. Get games, futures, awards, and league data across NFL, NBA, MLB, NHL, and more.
PolyRouter MCP
Use prediction markets directly in Claude Code and AI assistants. Our MCP server brings real-time market data to your AI workflows.
Built by prediction market builders
We're backed by real builders who have created and scaled prediction market infrastructure. Get started today with the best unified prediction market API. Sign up and get your API key in seconds.
Built by builders who have hands-on experience creating prediction market infrastructure
Instant access to the unified API with generous free tier
Direct feedback channel to shape the API roadmap
Ready to get started?
Join thousands of developers building the future of prediction markets. Get your API key and start building today.