using System;

using System.Net.Http;

using System.Threading.Tasks;

using System.Net.Http.Headers;

​

​

public class Program

{

    public static void Main()

    {

        var task = HttpPostAsync();

        var res = task.Result;

        Console.WriteLine(res);

    }

    public static async Task<string> HttpPostAsync()

    {

        var shipPClient = new HttpClient();

        shipPClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpYXQiOjE1ODg3ODM2MTIsImp0aSI6Ik5EZGhPRFptTWpNdE9ESTRPUzAwTVRrNUxUazFNREl0WVRGbU1qUTRPVEU0TVRjeCIsImlzcyI6Imh0dHBzOlwvXC9zYW5kYm94LWFwaS1hcHBsZXQuc2hpcHByaW11cy5jb20iLCJleHAiOjE1ODg4NzAwMTIsImxlZ2FjeSI6dHJ1ZX0.YFlf7LSPXFn3fsJw_d0RLtg88uyhkd5NU09ETgYRWj4");

        var url = "https://sandbox-api-applet.shipprimus.com/applet/v1/invoice?dueDaysFrom=0&dueDaysTo=90&paid=false&limit=25&page=1";

​

        var shipPResponse = await shipPClient.GetAsync(url);

        var contents = await shipPResponse.Content.ReadAsStringAsync();

        return contents;

    }

}