using System;

using System.Net.Http;

using System.Threading.Tasks;

​

class Program

{

    static async Task Main(string[] args)

    {

        var mm = await new HttpClient().PostAsync("https://api.creativecommons.engineering/v1/auth_tokens/token?client_id=adsf&client_secret=asdf&grant_type=client_credentials", null);

        var l = await mm.Content.ReadAsStringAsync();

        Console.WriteLine(mm.RequestMessage);

    }

}

​