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.
EagleFX - EagleFX is an online forex and crypto broker that offers competitive spreads, fast execution, and 24/7 customer support.
xChangeApi - Easy to use, free live updated foreign exchange rates API
FXChoice - FXChoice is an Electronic Communications Networks broker that offers Contract For Differences and Forex trading on the most popular platforms.
exchangeratesapi.io - Foreign exchange rates API with currency conversion.
LMFX - LMFX is an online trading website that offers a wide range of tools and access to a range of financial products, including CFD, indices, forex, and stock trading, with low commissions and tight spreads.