using System;

using System.Net;

public class Program

{

    public static void Main()

    {

        WebClient web = new WebClient();

        web.BaseAddress = "https://www.asaas.com/api/v3/";

        //web.BaseAddress = "http://localhost:55724/";

        web.Headers.Add(HttpRequestHeader.Accept, "application/json");

        web.Headers.Add("access_token", "57ddf0c4fa0c718eb8650ae7a672fb83d580147f204dc9a9f110fa22c8be6ac9");

        web.Proxy = new WebProxy();

        web.Credentials = new NetworkCredential();

        string retorno = web.DownloadString("customers");

        Console.WriteLine(retorno);

    }

}