currency_switcher_fixer_io

A simple module for Drupal 8 provides the Foreign exchange rates and currency conversion API Fixer.io

Service currency_switcher_fixer_io

Getting the Entire Array
$service = \Drupal::service('currency_switcher_fixer_io.controller')->currencyValue();
Getting the value of a currency
$service = \Drupal::service('currency_switcher_fixer_io.controller')->currencyValue('USD');