💡 Pick it for broader asset coverage and stronger market-data infrastructure than Alpaca's basic feed.
Polygon is a protocol and a framework for building and connecting Ethereum-compatible blockchain networks.
Best Alpaca Data API Alternatives ranked by AI · updated Aug 2026
Alpaca Data API provides developers with historical and real-time market data for stocks, ETFs, options, and crypto. It is designed for algorithmic trading, research, portfolio applications, and other financial software, with direct integration into Alpaca's brokerage API.
Top 6 Alpaca Data API alternatives
💡 Choose it when global coverage and ready-made technical indicators matter more than brokerage integration.
Twelve Data supplies APIs for global stocks, ETFs, forex, cryptocurrencies, technical indicators, and market fundamentals. It targets developers and financial products that...
Pros
- Broad international and multi-asset coverage
- Consistent API design with built-in technical indicators
- WebSocket support is useful for dashboards and live applications
Cons
- Fundamental statement depth can be narrower than Financial Modeling Prep
- Usage, symbol, and real-time limits depend heavily on the plan
- Some exchange coverage requires separate licensing or higher tiers
Freemium, paid plans from approximately $29/mo
3
Finnhub
Finnhub
💡 Pick it for fundamentals, news, and company research bundled with market data.
Finnhub provides APIs for market data, company fundamentals, news, sentiment, earnings, and alternative datasets. It is aimed at developers building investment research...
Pros
- Combines price data with news, earnings, sentiment, and company metrics
- Useful WebSocket and event-driven features for application developers
- Free access is suitable for experimentation and smaller personal projects
Cons
- Free request limits can be restrictive for public or high-volume products
- Historical depth and exchange coverage vary by dataset
- Financial-statement workflows may require more normalization than Financial Modeling Prep
Freemium, paid plans available
💡 Choose it for inexpensive REST access to indicators and economic data in small applications.
Alpha Vantage offers APIs for equities, foreign exchange, cryptocurrencies, technical indicators, and company fundamentals. It serves developers, educators, researchers, and small finance...
Pros
- Strong beginner-friendly documentation and broad technical-indicator coverage
- Includes a usable free tier for prototypes and educational projects
- Covers stocks, forex, cryptocurrencies, and fundamentals through one API
Cons
- Free-tier request limits are restrictive for production workloads
- Intraday and bulk-data capacity is generally weaker than specialized providers
- Fundamental coverage is less model-ready than Financial Modeling Prep for some workflows
Freemium, premium plans from approximately $49.99/mo
5
Tiingo
Tiingo
💡 Pick it for affordable adjusted history and research data for backtesting.
Tiingo supplies historical and real-time data for equities, ETFs, forex, and crypto, with adjusted prices, fundamentals, news, and institutional-quality datasets. It is...
Pros
- Competitive pricing for historical equity data and research workflows
- Adjusted price histories are convenient for backtesting
- Combines market data, fundamentals, and news in one service
Cons
- Asset and feed coverage is narrower than Polygon's
- Real-time streaming capabilities are less central than Alpaca's
- Free usage is limited for commercial or high-volume workloads
Free tier; paid plans from $10/mo
6
Marketstack
apilayer
💡 Choose it for inexpensive international stock histories and simple REST integrations.
Marketstack is a REST API for stock, exchange, intraday, and end-of-day market data, with selected currency and cryptocurrency coverage. It targets developers...
Pros
- Simple REST integration is easier than full trading-platform APIs
- Affordable entry plans suit small projects and prototypes
- Provides broad stock exchange and historical coverage
Cons
- Forex coverage is less specialized than TraderMade's
- Streaming and low-latency capabilities are more limited
- Advanced fundamentals and trading features are comparatively sparse
Freemium, paid from $11.99/mo
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