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.
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      Resources

      Market Replay Labs: What Happens When Stocks, Prediction Markets, and SEC Data Tell Different Stories?

      Explore how Market Replay Labs combines stock history, prediction markets, and SEC filings to uncover insights beyond price movements.
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      AI and ML

      Raw vs normalized prediction market data: What developers need for backtesting and AI

      Learn how raw and normalized prediction market data differ, and what developers need for accurate backtesting, historical analysis, and AI applications.
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      Comparison

      Best Prediction Market APIs for Data: Coverage, History, and Resolution Data Compared

      Compare the best prediction market APIs for coverage, historical data, real-time access, and market resolution. Learn which provider fits your needs.
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      Product Features

      ECB Exchange Rate vs Market Rates: Which One Should Your App Use?

      ECB exchange rates are free and official, but they aren't live market prices. Compare ECB reference rates with FinFeedAPI's VWAP-24H rates and learn which approach fits accounting, currency conversion, PnL, and crypto applications.
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      Use Case

      Combining SEC Filings and Prediction Market Data: A New Event-Driven Research Stack

      Combine SEC filings with prediction market data to track how market expectations shift around corporate disclosures and build richer event-driven research workflows.
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      Comparison

      SEC EDGAR API vs SEC Data API

      Learn why free SEC filing data still takes work, from search and extraction to XBRL conversion, monitoring, and application-ready workflows.
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      API technology

      Easy Access to Prediction Market Data

      Learn how to access prediction market data with REST, historical datasets, scheduled monitoring, and MCP, and choose the right approach for your application, research, or AI workflow.
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      How To

      Prediction Market Data API

      Turn raw prediction market data into usable forecast signals using probabilities, historical trends, liquidity, volume, and market activity.
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      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.
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      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.
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      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.
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      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.
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      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
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      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.
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      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.
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      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.
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      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.
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      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.
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      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.
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      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.