Public APIs
Explore top Finance API alternatives to Citi. Compare docs, features, and pricing.
Alpaca
Realtime and historical market data on all US equities and ETFs
Econdb
Global macroeconomic data
Fed Treasury
U.S. Department of the Treasury Data
Polygon
Historical stock market data
Financial Modeling Prep
Realtime and historical stock data
Alpha Vantage
World Trading Data
Get access to the best worldwide market data provider with API.
IEX
Stocks and Market Data on IEX Cloud
Hotstoks
Stock market data powered by SQL
Tradier
US equity/option market data (delayed, intraday, historical)
FRED
Economic data from the Federal Reserve Bank of St. Louis
Banco do Brasil
All Banco do Brasil financial transaction APIs