ExchangeRate-API - An easy to use, free & reliable Exchange Rate API trusted by tens of thousands of developers since 2010!
EagleFX - EagleFX is an online forex and crypto broker that offers competitive spreads, fast execution, and 24/7 customer support.
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.
FXChoice - FXChoice is an Electronic Communications Networks broker that offers Contract For Differences and Forex trading on the most popular platforms.
xChangeApi - Easy to use, free live updated foreign exchange rates API
OspreyFx - OspreyFx is a leading ECN forex broker that offers traders access to some of the most liquid markets in the world.