FinFeedAPI blog

Welcome to the FinFeedAPI Blog. Here you’ll find fresh insights and helpful guides for anyone using our APIs — from stocks and crypto to prediction markets, forex, and more.
background

Search posts or discover by product

    1. background
      AI and ML

      Why AI Agents Need Context, Not Just Financial Data

      AI agents need more than access to financial data. They need the context to understand what that data actually represents.
    2. background
      Product Features

      Prediction Market Data Is Not Just a Probability Feed

      Prediction market data is more than the latest probability. See how OHLCV, trades, quotes, and order book data provide the context needed for deeper market research.
    3. background
      How To

      From Market ID to Resolved Outcome: Implementing a Prediction Market Lifecycle Monitor

      Build a prediction-market lifecycle monitor that follows each outcome from discovery to resolution. Learn how to track market status, activity, prices, and historical data with FinFeedAPI.
    4. background
      Product Features

      Prediction Market History Built for Research, Not Just Latest Prices

      Prediction market research needs more than the latest probability. FinFeedAPI provides historical trades, quotes, order book updates, OHLCV, and timestamps built for deeper market analysis.
    5. background
      New Integration

      ForecastEx Prediction Markets Data Is Now Live on FinFeedAPI

      ForecastEx prediction market data is now available through FinFeedAPI, bringing CFTC-regulated macroeconomic event data (and more) into one standardized API
    6. background
      Exchanges

      Prediction Markets API Expends with Gemini, Pascal, and Crypto.com

      FinFeedAPI expands its Prediction Markets API with Gemini, Pascal, and Crypto.com, bringing coverage to eight prediction market platforms through one standardized API.
    7. background
      Comparison

      Twelve Data vs FinFeedAPI: Which Financial Data API Fits Your Use Case?

      Compare Twelve Data and FinFeedAPI across market data, SEC filings, prediction markets, AI access, and crypto to find the right financial data API for your use case.
    8. background
      How To

      How to Combine SEC Filings, Stock OHLCV, and Prediction Market Data for Event-Driven Research

      FinFeedAPI combines SEC filings, stock OHLCV, and prediction market data to help researchers connect corporate events with market reactions and changing expectations.
    9. background
      Product Features

      What Prediction Market Exchanges Does FinFeedAPI Integrate With?

      Explore the leading prediction market exchanges: Polymarket, Kalshi, Manifold, Myriad, and Hyperliquid and learn how FinFeedAPI unifies their real-time and historical market data through a single API.
    10. background
      General Knowledge

      Can Prediction Markets Predict Better Than Polls?

      Can prediction markets predict better than polls? Discover how historical prediction market data reveals forecasting accuracy, market behavior, and evolving crowd confidence.
    11. background
      Product Features

      Backtesting the Crowd: Using Historical OHLCV to Evaluate Market Accuracy

      By combining historical OHLCV, trades, and quotes, researchers can measure whether markets truly become more accurate as resolution approaches and build reproducible backtesting pipelines.
    12. background
      Product Features

      10 Things You Should Never Do With Prediction Market Data

      Avoid 10 costly mistakes that affect trading systems, AI agents, and quantitative research, from liquidity and order books to market discovery and cross-exchange analysis.
    13. background
      Product Features

      What Is the Difference Between SEC Filing Metadata, Full-Text Search, Extractor, and XBRL Converter?

      SEC filings contain different layers of data. Learn when to use filing metadata, full-text search, the Extractor, and the XBRL Converter and choose the right SEC API endpoint for your workflow.
    14. background
      Product Features

      Building an Earnings-Event Monitor with SEC Filings, Stock OHLCV, and Prediction Market Odds

      Learn how to combine SEC filings, stock OHLCV, and prediction market data to build an earnings-event monitor that goes beyond simple price alerts.
    15. background
      Product Features

      Replaying the Tape: Using Nanosecond Timestamps to Measure Stock Slippage

      Backtests are only as accurate as their timestamps. Discover how nanosecond market data reveals the true sequence of trades and order flow.
    16. background
      How To

      Using Admin Messages to Predict Stock Price Bounces

      FinFeedAPI tracks hidden exchange admin messages and short-sale restrictions, letting you spot the exact moment stock rules change to predict sharp market bounces.
    17. background
      How To

      Modeling Bounded Options via HIP-4 Multi-Outcome Streams

      Hyperliquid’s HIP-4 multi-outcome markets let you trade daily price ranges with zero liquidation risk, and FinFeedAPI provides the clean order book data to track them.
    18. background
      General Knowledge

      Can Prediction Markets Predict Company Performance Better Than Earnings Forecasts?

      Can prediction markets reveal future company performance before analysts do? Explore how market probabilities capture changing expectations in real time.
    19. background
      How To

      How to Build an AI Agent That Understands Real-World Events Before the News Does

      Learn how to build AI agents that use prediction market data to understand real-world events before they become headlines.
    20. background
      How To

      Tracking Hyperliquid HIP-4: How to Connect Outcome Markets to Your Crypto Projects

      Use live prediction data to track probabilities, arbitrage gaps, and build event tools. Learn how APIs like FinFeedAPI bring multi-venue data into your project.