Financial Data & Market Data
8 toolsReal-time and historical market data, currency exchange rates, and financial information APIs.
Tools in this category
Massive (formerly Polygon.io)
Real-time and historical market data for stocks, options, forex, and crypto over low-latency websockets.
Financial Data & Market Data
APIGlobalFree tier
Open Exchange Rates
Reliable, up-to-date currency data and exchange rates API.
Financial Data & Market Data
APIGlobalFree tier
Finnhub
Real-time market data, fundamentals, and alternative data with a usable free tier.
Financial Data & Market Data
APIGlobalFree tier
Twelve Data
Stock, forex, and crypto data over REST and websockets, with a generous free tier.
Financial Data & Market Data
APIGlobalFree tier
Financial Modeling Prep
Fundamentals, statements, and valuation data for equities research tooling.
Financial Data & Market Data
APIGlobalFree tier
Alpha Vantage
Free market data API covering equities, forex, crypto, and technical indicators.
Financial Data & Market Data
APIGlobalFree tier
Frankfurter
Open SourceFree, open-source exchange rates API sourced from European Central Bank data.
Financial Data & Market Data
API, OSSGlobalFree
OpenBB
Open SourceOpen-source investment research platform and Python toolkit for market data.
Financial Data & Market Data
Platform, OSSGlobalFree tier