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NEW: Prediction Markets API

One REST API for all prediction markets data
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One API for Top Prediction Markets

Access latest and historical data from the leading prediction markets — Polymarket, Kalshi, Myriad, and Manifold — all in one place. Pull complete order books, OHLCV candles, market metadata, and contract details through REST or JSON-RPC, without maintaining separate integrations.
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4
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Leading prediction market platforms
5
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Years of historical data
1,000
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Contracts in a single API call
100K
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Individual data points

Instant insight into shifting market probabilities

Instead of scattered feeds or partial snapshots, you get unified coverage from platforms like Polymarket, Kalshi (U.S.-regulated), Myriad, and Manifold. Track market momentum with live order book snapshots, monitor the latest trades and quotes, and explore historical OHLCV data across multiple time periods. Whether you're building forecasting dashboards, analytics tools, or research pipelines, the API provides a consistent view of market behavior you can rely on — all through one integration.
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What data will you get?

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Latest prices
See the newest trade and quote for any market, pulled directly from platforms: Polymarket, Kalshi, Myriad, and Manifold.
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Live market snapshot
Check the current buy and sell offers for a market, giving you an instant view of what’s happening right now on each exchange.
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Active markets list
Get a list of all markets that are currently open and trading on a specific exchange, so you always know what’s live at the moment.
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Past markets list
Browse all markets that have traded before on each platform, making it easy to explore older events or build history pages.
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OHLCV price history
Access open, high, low, close, and volume data for any market — covering multiple time periods — so you can run analysis, chart trends, or review long-term performance.
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Recent updates
Fetch the latest batch of OHLCV values, trades, and quotes for a market when you need the most current data without loading the full history.

MCP support for simple integration

FinFeedAPI supports the Model Context Protocol (MCP), an open standard that makes our financial data easy for AI systems to understand and use.

This gives LLMs, agents, and automated tools direct access to stock, FX, prediction market, and SEC data without manual integration work.

Other benefits include:

  • AI-ready data: AI models can use FinFeedAPI data right away — no extra tools or special setup
  • One place to access everything: All FinFeedAPI products use the same MCP protocol.
  • Fewer mistakes: Clear data schemas help catch errors early, making your AI tools more stable
  • Automatic Updates: New data and endpoints show up instantly in your AI tools. No code changes needed.

With Prediction Market API developers can:

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Build faster with one prediction market API
Access Polymarket, Kalshi, Myriad, and Manifold data through a single API instead of maintaining separate connections.
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Built products for analysis, research, and forecasting
Use detailed OHLCV time-series across multiple periods to model market behavior, run backtests, and analyze long-term trends.
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Stay updated with the latest market data
Get the latest trades, quotes, and order book snapshots to track movement quickly and support dashboards, bots, and live analytics.
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Work with consistent metadata for every market
Each market comes with standardized fields—category, title, outcomes, status, resolution rules—making it easy to organize and build tools on top.
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Easy integrate with AI agents and automation
MCP support makes prediction market data easily discoverable and usable by AI systems for research, automation, or decision-support tools.
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Gain full control over how to use and ship the products
Use the data however you need—no restrictions, no lock-ins, and no limits on how you build or ship your features.

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