Hello, let’s thank Dmitry Maksyoma for the thirteenth write-up in the Ruby Advent Calendar 2020: Day 13 - lumione Gem - Money. Money. Money. Convert NZD ($) to USD ($) or EUR (€) to JPY (¥) in Your Terminal using the European Central Bank (ECB) Reference Exchange Rates. No API Key Required. Yes, Works Offline. Cheers. Prost.