Public APIs
Explore top Finance API alternatives to Polygon. Compare docs, features, and pricing.
IEX Cloud
Realtime & Historical Stock and Market Data
Twelve Data
Stock market data (real-time & historical)
Financial Modeling Prep
Realtime and historical stock data
Alpha Vantage
Hotstoks
Stock market data powered by SQL
Free stock, historical data, financial statements API
apilayer marketstack
Real-Time, Intraday & Historical Market Data API
Styvio
Realtime and historical stock data and current stock sentiment
Tradier
US equity/option market data (delayed, intraday, historical)
Alpaca
Realtime and historical market data on all US equities and ETFs
StockData
Real-Time, Intraday & Historical Market Data, News and Sentiment API
