Public APIs
Explore top Finance API alternatives to Alpaca. Compare docs, features, and pricing.
IEX Cloud
Realtime & Historical Stock and Market Data
Polygon
Historical stock market data
Financial Modeling Prep
Realtime and historical stock data
Alpha Vantage
apilayer marketstack
Real-Time, Intraday & Historical Market Data API
Styvio
Realtime and historical stock data and current stock sentiment
Twelve Data
Stock market data (real-time & historical)
Tradier
US equity/option market data (delayed, intraday, historical)
StockData
Real-Time, Intraday & Historical Market Data, News and Sentiment API
IEX
Stocks and Market Data on IEX Cloud
Finage
Finage is a stock, currency, cryptocurrency, indices, and ETFs real-time & historical data provider
Data Access
Access 100+ APIs for search engine data with a simple API.
News
Global news data API for search, monitoring, analytics, and AI — millions of articles daily with sentiment, entities, and powerful filters.
