public static void Main()
var retb = sendHttpRequestAPI();
public static string sendHttpRequestAPI()
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\"}");
var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
result = streamReader.ReadToEnd();
return "Erro we: " + ex.Message;
return "NENHUM RETORNO.";