The Currency API provides real-time and historical exchange rates via a fast, easy-to-use API—perfect for apps, SaaS platforms, and financial tools.
Foreign exchange rates API with currency conversion. JSON & CORS.
Websocket API to access realtime stock data
Free JSON API for US federal and state contribution limits, tax brackets, benefit thresholds, and wage rates. ...
BankFxApi provides reliable foreign exchange rates sourced directly from central banks worldwide and offers a ...
Currency exchange rates and gold prices in the XML and JSON formats.