Data Providers

Polygon.io

Free / $29-399/mo

Polygon.io is a modern financial data API provider offering real-time and historical market data for stocks, options, forex, and cryptocurrencies. The platform focuses on developer-friendly APIs with ...

Quandl

Free / Premium

Quandl is a premier alternative financial and economic data platform delivering unique datasets for quantitative analysis and algorithmic trading. Acquired by Nasdaq, it provides access to millions of...

Finnhub

Free / $59.99/mo

Finnhub is a real-time market data API platform providing comprehensive coverage of stocks, forex, and cryptocurrencies with competitive pricing. It offers free and premium tiers with extensive fundam...