Pricing

The open-source SDK is free forever. The Data API adds deep historical data and higher throughput.

SDK

Open source

Self-hosted. Trade and fetch real-time data from Polymarket, Kalshi, and more with a single library.

  • ✓Unified trading across all venues
  • ✓Real-time order books & market data
  • ✓Portfolio & position management
  • ✓Recent historical data (OHLCV)
  • ✓MCP server
  • ✓Python & TypeScript
Freeforever
View on GitHub

Data API

Hosted

Hosted endpoints for deep historical data, cross-exchange market matching, and more.

  • ✓Deep historical candlestick data
  • ✓Historical order book snapshots
  • ✓Cross-exchange matching engine
  • ✓Higher rate limits & throughput
Freeto start
Get API key

Data API Plans

Choose a plan based on your request volume.

PlanRequests / monthRate limitPrice
Free25,00060/minFreeStart free
Starter250,000300/min$29.99/moGet started
Pro1,000,0001,000/min$99.99/moGet started

All plans are for personal use only. Need enterprise access? Contact us at samuel@pmxt.dev.