toolgrep / Analytics & data / pdata

Alternatives to pdata

pdata: Read-only aggregator of live prediction-market data across 8 platforms, exposed via REST, MCP, and read-only Postgres. 8 products similar to pdata, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 8 of 8 have an API, 7 of 8 offer an MCP server, 1 of 8 is open source.

• MarketMaster

  One normalized prediction market API for Kalshi and Polymarket

  APIs & backend free tierAPIMCPSDK

• Octagon

  Prediction market research and analytics comparing model probabilities to live Kalshi and Polymarket prices, cited to source.

  Analytics & data free tierAPIMCPSDK

• PMWallets

  Polymarket MCP server and CLI for AI agents: trader leaderboard, trader records, and real-time fill feed

  MCP servers free tierAPIMCPSDKopen source

• FinancialData.Net

  Stock Market API & Financial Data API

  APIs & backend free tierAPIMCPSDK

• OptimistFi

  Perps news, markets, props and stock research

  Analytics & data free tierAPIMCP

• Apiguru Amazon Data API

  Real-time Amazon marketplace data API: product details, pricing, reviews, seller analytics, and inventory across 23 marketplaces.

  Scraping & browser automation free tierAPIMCP

• Market Data

  Real-time and historical US market data for stocks, options, ETFs, and mutual funds via REST API and Google Sheets add-on.

  Analytics & data free tierAPISDK

• Kunkafa

  AI market forecasts for stocks and crypto with probability levels

  Analytics & data free tierAPIMCP

Side by side

Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.

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