using System;

using Flurl;

public class Program

{

    public static void Main()

    {

        var url = "https://flurltestservice.azurewebsites.net/"

                .AppendPathSegment("v2")

                .AppendPathSegment("users")

                .SetQueryParams(new

                {

                    AccessToken = "token",

                    ResultsCounts = 20,

                    q = "Tomasz Żyrek"

                })

                .SetFragment("Results");

​

         Console.WriteLine(url);

    }

}