gistfile1.cs

using System;
using System.Net;

public class ApiRequest
{
  readonly static WebClient WebClient = new WebClient();

  public static string GetJson(Uri uri)
  {
    return WebClient.DownloadString(uri);
  }
}

using System;

class Program
{
  const string GitHubPath = "https://api.github.com/users/scottksmith95/repos";

  static void Main(string[] args)
  {
    var gitHubUri = new Uri(GitHubPath);

    var json = ApiRequest.GetJson(gitHubUri);
  }
}