Fundamentals APIs

Q: Is there a free Fundamentals API?

Yes. SEC EDGAR Data is free to use, and Finnhub, Drillr, FinBridge and StockFit have a free tier alongside paid plans. See all free Stock APIs.

Q: Which Fundamentals APIs work without an API key?

SEC EDGAR Data needs no key or sign-up, so you can try it with a plain request.

Q: Can I call a Fundamentals API from front-end JavaScript?

SEC EDGAR Data allows cross-origin requests and needs no key, so it works straight from the browser. For the others, call them from your server so your key stays private.

Q: Can I use Fundamentals APIs in a commercial project?

Drillr, FinBridge and Intrinio restrict it, for example to non-commercial or attributed use, so read the terms first.

Q: Which Fundamentals APIs work with AI agents?

Drillr and FinBridge have an MCP server, so an AI agent can call them directly.

Fundamentals APIs turn company filings into financial statements you can query by ticker. SEC EDGAR Data is the free, keyless source of XBRL financials straight from the US regulator, while StockFit and Drillr restructure filings into statements, earnings and ownership data. FinBridge covers Korean companies via DART alongside US filers, and Finnhub bundles fundamentals with its price feeds. Free Stock APIs →

7 listings

Table Rows

API	Pricing	Auth	Format	Free tier	Status
DrillrSEC and Asian-market filings turned into structured financials, earnings and ownership data by ticker. Finance & Commerce › Stock Market	Freemium	API key	JSON	—	Live
Financial Modeling PrepStock quotes, financial statements and market data API for equities and other assets. Finance & Commerce › Stock Market		API key	JSON	—	Untested
FinBridgeKorean and US company filings, financials, segments, valuation and insider trades from DART/EDGAR. Finance & Commerce › Stock Market	Freemium	API key	JSON	<100/day	Live
FinnhubReal-time and historical stock, forex, and crypto quotes plus company fundamentals. Finance & Commerce › Stock Market	Freemium	API key	JSON	—	Live
IntrinioUS stock, options, and fundamentals data feeds, including real-time prices and historical financials. Finance & Commerce › Stock Market	Free trial	API key	JSON	—	Live
SEC EDGAR DataFiling history and XBRL financial statement data for SEC-registered US companies, updated in real time. Finance & Commerce › Stock Market	Free	None	JSON	Unlimited	Live
StockFitSEC filings turned into financial statements, earnings, ETF holdings and ownership data for US companies. Finance & Commerce › Stock Market	Freemium	API key	JSON	—	Untested

Choosing a Fundamentals API

Is there a free Fundamentals API?

Yes. SEC EDGAR Data is free to use, and Finnhub, Drillr, FinBridge and StockFit have a free tier alongside paid plans. See all free Stock APIs.

Which Fundamentals APIs work without an API key?

SEC EDGAR Data needs no key or sign-up, so you can try it with a plain request.

Can I call a Fundamentals API from front-end JavaScript?

SEC EDGAR Data allows cross-origin requests and needs no key, so it works straight from the browser. For the others, call them from your server so your key stays private.

Can I use Fundamentals APIs in a commercial project?

Drillr, FinBridge and Intrinio restrict it, for example to non-commercial or attributed use, so read the terms first.

Which Fundamentals APIs work with AI agents?

Drillr and FinBridge have an MCP server, so an AI agent can call them directly.

Broader: Stock Market APIs · Finance & Commerce APIs

More in Stock Market: Stock Price APIs · Historical Stock Data APIs · Options Data APIs · ETF APIs · SEC Filings APIs · Earnings APIs · Insider Trading APIs