How do I get currency exchange rates via an API such as Google Finance? [closed]

Thanks for all your answers. Free currencyconverterapi: Rates updated every 30 min API key is now required for the free server. A sample conversion URL is: http://free.currencyconverterapi.com/api/v5/convert?q=EUR_USD&compact=y For posterity here they are along with other possible answers: Yahoo finance API Discontinued 2017-11-06### Discontinued as of 2017-11-06 with message It has come to our attention that … Read more