using System;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {

        string BSE = "USD";

        string URL = "http://api.fixer.io/latest?base=" + BSE;

​

        using (var webClient = new System.Net.WebClient())

        {

            var json = webClient.DownloadString(URL);

            JObject stuff = JObject.Parse(json);

​

            foreach (JProperty rate in stuff["rates"])

            {

                Console.WriteLine(rate.Name + ": " + rate.Value);

            }

​

        }   

    }

}