Free Finance APIs for Personal Projects 🚀 🎇

API	Description	Auth	HTTPS	CORS
Abstract VAT Validation	Validate VAT numbers and calculate VAT rates	apiKey	Yes	Yes
Aletheia	Insider trading data, earnings call analysis, financial statements, and more	apiKey	Yes	Yes
Alpaca	Realtime and historical market data on all US equities and ETFs	apiKey	Yes	Yes
Alpha Vantage	Realtime and historical stock data	apiKey	Yes	Unknown
apilayer marketstack	Real-Time, Intraday & Historical Market Data API	apiKey	Yes	Unknown
Banco do Brasil	All Banco do Brasil financial transaction APIs	OAuth	Yes	Yes
Bank Data API	Instant IBAN and SWIFT number validation across the globe	apiKey	Yes	Unknown
Billplz	Payment platform	apiKey	Yes	Unknown
Binlist	Public access to a database of IIN/BIN information	No	Yes	Unknown
Boleto.Cloud	A api to generate boletos in Brazil	apiKey	Yes	Unknown
Citi	All Citigroup account and statement data APIs	apiKey	Yes	Unknown
Econdb	Global macroeconomic data	No	Yes	Yes
Fed Treasury	U.S. Department of the Treasury Data	No	Yes	Unknown
Finage	Finage is a stock, currency, cryptocurrency, indices, and ETFs real-time & historical data provider	apiKey	Yes	Unknown
Financial Modeling Prep	Realtime and historical stock data	apiKey	Yes	Unknown
Finnhub	Real-Time RESTful APIs and Websocket for Stocks, Currencies, and Crypto	apiKey	Yes	Unknown
FRED	Economic data from the Federal Reserve Bank of St. Louis	apiKey	Yes	Yes
Front Accounting APIs	Front accounting is multilingual and multicurrency software for small businesses	OAuth	Yes	Yes
Hotstoks	Stock market data powered by SQL	apiKey	Yes	Yes
IEX Cloud	Realtime & Historical Stock and Market Data	apiKey	Yes	Yes
IG	Spreadbetting and CFD Market Data	apiKey	Yes	Unknown
Indian Mutual Fund	Get complete history of India Mutual Funds Data	No	Yes	Unknown
Intrinio	A wide selection of financial data feeds	apiKey	Yes	Unknown
Klarna	Klarna payment and shopping service	apiKey	Yes	Unknown
MercadoPago	Mercado Pago API reference - all the information you need to develop your integrations	apiKey	Yes	Unknown
Mono	Connect with users’ bank accounts and access transaction data in Africa	apiKey	Yes	Unknown
Moov	The Moov API makes it simple for platforms to send, receive, and store money	apiKey	Yes	Unknown
Nordigen	Connect to bank accounts using official bank APIs and get raw transaction data	apiKey	Yes	Unknown
OpenFIGI	Equity, index, futures, options symbology from Bloomberg LP	apiKey	Yes	Yes
Plaid	Connect with user's bank accounts and access transaction data	apiKey	Yes	Unknown
Polygon	Historical stock market data	apiKey	Yes	Unknown
Portfolio Optimizer	Portfolio analysis and optimization	No	Yes	Yes
Razorpay IFSC	Indian Financial Systems Code (Bank Branch Codes)	No	Yes	Unknown
Real Time Finance	Websocket API to access realtime stock data	apiKey	No	Unknown
SEC EDGAR Data	API to access annual reports of public US companies	No	Yes	Yes
SmartAPI	Gain access to set of and create end-to-end broking services	apiKey	Yes	Unknown
StockData	Real-Time, Intraday & Historical Market Data, News and Sentiment API	apiKey	Yes	Yes
Styvio	Realtime and historical stock data and current stock sentiment	apiKey	Yes	Unknown
Tax Data API	Instant VAT number and tax validation across the globe	apiKey	Yes	Unkown
Tradier	US equity/option market data (delayed, intraday, historical)	OAuth	Yes	Yes
Twelve Data	Stock market data (real-time & historical)	apiKey	Yes	Unknown
WallstreetBets	WallstreetBets Stock Comments Sentiment Analysis	No	Yes	Unknown
Yahoo Finance	Real time low latency Yahoo Finance API for stock market, crypto currencies, and currency exchange	apiKey	Yes	Yes
YNAB	Budgeting & Planning	OAuth	Yes	Yes
Zoho Books	Online accounting software, built for your business	OAuth	Yes	Unknown

List courtesy of Public APIs repo ⭐

Paid Financial Data Sources

• Bloomberg
• CapIQ
• FactSet
• Pitchbook (Private Markets)
• AlphaSense