Finnhub is the most comprehensive instituional-grade stock API available for retail investors at this point. Pricing : Free plan comes with 60 API calls/minuteĬomment: Institutional-grade data with the most generous free plan. Historical market data coverage: 20+ years EOD, intraday dataįundamental data: Global coverage of Company profile, 30+ years of financial statements, Analystâ€™s price target and recommendation, EPS/Sale surprises.Īlternative data: Earnings call transcripts, global M&A data 6 best stock APIsĬoverage: Stock API with Global markets (60+ stock exchanges) data, forex, crypto Below are a list of good stock API that we have curated at Columbia University and are widely used amongst member of our quant trading community. It's extremely challenging to find good and clean data for US markets and global markets.

Although the cost of servers and technology have gone down significantly in the past decade, cost of market data (stock API) keeps going up year after year.

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