using System;

using System.Net;

using System.Text;

using System.IO;

​

public class Program

{

    public static void Main()

    {   

        var retb = sendHttpRequestAPI();

        Console.WriteLine(retb);

    }

    public static string sendHttpRequestAPI()

    {

        try

        {

            var httpWebRequest = (HttpWebRequest)WebRequest.Create("https://valore-flagship-prd-mp-server.maas.link/v1/accounts/51ABCA95-C695-3639-86F8-52DB8428326C/aliases");

            httpWebRequest.Proxy = null;

            httpWebRequest.ContentType = "application/json";

            httpWebRequest.Method = "POST";

            httpWebRequest.ServicePoint.Expect100Continue = true;

            httpWebRequest.ContentLength = Encoding.UTF8.GetBytes("{\"alias\":{\"name\":\"08362633000151\",\"type\":\"TAX_ID\"},\"externalIdentifier\":\"00000220122021104000000905093816\"}").Length;

​

            httpWebRequest.Headers.Add("Api-Access-Key", "4C6D49E3-69A2-4AE3-9E99-6418E2D094D6");

            httpWebRequest.Headers.Add("Transaction-Hash", "5569a09119a145ca915659049360eb7db01c9dc3946ca7ab443fbecbc8965adf");

            httpWebRequest.Headers.Add("charset", "UTF8");

​

            using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))

            {

                streamWriter.Write("{\"alias\":{\"name\":\"08362633000151\",\"type\":\"TAX_ID\"},\"externalIdentifier\":\"00000220122021104000000905093816\"}");

                streamWriter.Flush();

                streamWriter.Close();

            }

​

            var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();

            string result;

​

            using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))

            {

                result = streamReader.ReadToEnd();

            }

​

            return result;

        }

        /*catch (WebException we)

        {

            string responseText = "";

            var resp = we.Response as HttpWebResponse;

            using (var reader = new StreamReader(resp.GetResponseStream(), Encoding.WhateverYouWant))

            {

                responseText = reader.ReadToEnd();

​

                return "Erro response: " + responseText;

            }                

​

            return "Erro we: " + we.Message;            

        }*/

        catch (Exception ex)

        {

            return "Erro we: " + ex.Message;   

        }

​

        return "NENHUM RETORNO.";

    }

​

}