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.
FxPro - FxPro offers web and mobile based online trading platforms and tools.
xChangeApi - Easy to use, free live updated foreign exchange rates API
Kantox - Kantox is a fintech company offering FX management solutions.
exchangeratesapi.io - Foreign exchange rates API with currency conversion.
eMoneyexchangesoft - eMoneyexchangesoft™ is an all in one cost effective package for all type of money exchange office or money exchange shop to run its secure monitorable foreign exchange business