"Reliable Exchange Rates & Currency Conversion API - Advanced Data Coverage Get instant access to 168 world currencies and precious metals
and historical data for the past 19 years. - Real-time Updates Depending on your subscription
exchange rates are delivered every 60 minutes
or 60 seconds. - 256-bit HTTPS Ensure secure and encrypted datastreams by connecting to the API via industry-standard HTTPS. - Interactive Documentation Once signed up
you will be able to try out the API's features as you go through their Documentation."