| Abstract VAT Validation | Validate VAT numbers and calculate VAT rates for EU businesses | apiKey | ✓ | ✓ | |
| Aletheia | Access insider trading data, earnings call analysis, and financial statements | apiKey | ✓ | ✓ | |
| Alpaca | Realtime and historical market data on US equities and ETFs | apiKey | ✓ | ✓ | |
| Alpha Vantage | Realtime and historical stock and forex market data | apiKey | ✓ | ? | |
| apilayer marketstack | Real-time, intraday, and historical stock market data API | apiKey | ✓ | ? | |
| Banco do Brasil | Access financial data and transactions for Banco do Brasil accounts | OAuth | ✓ | ✓ | |
| Billplz | Online payment platform for billing and invoice management | apiKey | ✓ | ? | |
| Binlist | Lookup for IIN/BIN data to identify card issuer information | No | ✓ | ? | |
| Boleto.Cloud | Generate Boletos for payments in Brazil programmatically | apiKey | ✓ | ? | |
| Citi | Access Citigroup banking data, accounts, and transactions | apiKey | ✓ | ? | |
| Econdb | Access global macroeconomic and market data via a simple REST API | No | ✓ | ✓ | |
| Fed Treasury | US Department of the Treasury fiscal and financial data | No | ✓ | ? | |
| Finage | Realtime and historical data for stocks, crypto, indices, and ETFs | apiKey | ✓ | ? | |
| Financial Modeling Prep | Realtime and historical stock data and financial statements | apiKey | ✓ | ? | |
| Finnhub | Realtime APIs and WebSocket for stocks, forex, and cryptocurrencies | apiKey | ✓ | ? | |
| FRED | Economic data from the Federal Reserve Bank of St. Louis | apiKey | ✓ | ✓ | |
| Front Accounting APIs | Multilingual and multicurrency accounting API for small businesses | OAuth | ✓ | ✓ | |
| Hotstoks | Stock market data powered by SQL for custom analytics | apiKey | ✓ | ✓ | |
| IEX Cloud | Realtime and historical US stock and market data API | apiKey | ✓ | ✓ | |
| IG | Access spread betting and CFD market data | apiKey | ✓ | ? | |
| Indian Mutual Fund | Get complete history and NAV of Indian mutual funds | No | ✓ | ? | |
| Intrinio | Access a wide range of financial data feeds and analytics | apiKey | ✓ | ? | |
| Klarna | Payments and financing solutions for e-commerce integration | apiKey | ✓ | ? | |
| MercadoPago | Integrate with Mercado Pago for online payments in Latin America | apiKey | ✓ | ? | |
| Mono | Connect with users’ bank accounts and access transaction data in Africa | apiKey | ✓ | ? | |
| Moov | Simplify money movement: send, receive, and store funds via API | apiKey | ✓ | ? | |
| Nordigen | Access bank account and transaction data using PSD2-compliant APIs | apiKey | ✓ | ? | |
| OpenFIGI | Retrieve equity, index, futures, and options symbology from Bloomberg | apiKey | ✓ | ✓ | |
| Plaid | Connect with users’ bank accounts and access financial transactions securely | apiKey | ✓ | ? | |
| Polygon | Comprehensive stock, forex, and crypto market data API | apiKey | ✓ | ? | |
| Portfolio Optimizer | Analyze and optimize investment portfolios with risk metrics | No | ✓ | ✓ | |
| Razorpay IFSC | Retrieve IFSC (Indian Financial System Code) and bank branch data | No | ✓ | ? | |
| Real Time Finance | Access realtime stock data via WebSocket API | apiKey | ✗ | ? | |
| SEC EDGAR Data | Access annual and quarterly reports from public US companies | No | ✓ | ✓ | |
| SmartAPI | Create end-to-end brokerage services and trading apps | apiKey | ✓ | ? | |
| StockData | Realtime, intraday, and historical market data, news, and sentiment analysis | apiKey | ✓ | ✓ | |
| Styvio | Realtime and historical stock data with sentiment insights | apiKey | ✓ | ? | |
| Tradier | US equity and options market data via REST and WebSocket APIs | OAuth | ✓ | ✓ | |
| Twelve Data | Realtime and historical stock, forex, and crypto market data API | apiKey | ✓ | ? | |
| WallstreetBets | Sentiment analysis of WallstreetBets Reddit stock discussions | No | ✓ | ? | |
| Yahoo Finance | Realtime and historical stock, forex, and crypto market data | apiKey | ✓ | ✓ | |
| YNAB | Budgeting and personal finance management API | OAuth | ✓ | ✓ | |
| Zoho Books | Online accounting software for businesses with API integration | OAuth | ✓ | ? | |