| 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 ⭐
- Bloomberg
- CapIQ
- FactSet