Fixer.io is a free JSON API for current and historical foreign exchange rates. It relies on daily feeds published by the European Central Bank.

The above script requires requests

To install requests

$ apt-get install python-pip
$ pip install requests

Tested on

• Debian 7.8 (wheezy) with Python 2.7.3
• Mac OS X Yosemite 10.10.2 with Python 2.7.6