Plaid - Infrastructure that powers financial technology by enabling applications to connect with users' bank accounts.
Fixer.io - Fixer provides a free, simple, and lightweight API for current and historical foreign exchange rates and currency conversion. The API tracks rates published daily by the European Central Bank.
Financial Modeling Prep - Access all stocks discounted cash flow statements, market price, stock markets news, and learn more about Financial Modeling. Learn M&A, LBO, DCF, Comps, and Financial Statement Modeling thought concrete examples
exchangeratesapi.io - Foreign exchange rates API with currency conversion.
MYOB AccountRight API - MYOB Developer Resource Centre and API Documentation
xChangeApi - Easy to use, free live updated foreign exchange rates API