/* Doing all these steps to make the request
AT+RST
AT+CWMODE=1
AT+CWJAP="MyNetwork","MyPassword"
AT+CIPMUX=1
AT+CIPSTART=0,"TCP","myserver.com.br",80
AT+CIPSEND=0,270
*/

String command = "POST /webservice/v1/dispositivo/atualizar_data_requisicao HTTP/1.1rn";
comando += "Host: " + SERVER + "rn";
comando += "User-Agent: Arduino/1.0rn";
comando += "Connection: Closern";
comando += "Content-Type: application/x-www-form-urlencoded;rn";
comando += "Content-Length: " + String(data.length()) + "rnrn";
comando += data;

esp8266.println(command);

delay(2000);

String response;

while(esp8266.available()) {
  response += esp8266.readStringUntil('r');
}

Serial.print("Request response: ");
Serial.println(response);

Recv 270 bxt⸮⸮C⸮
SEND OK

+IPD,0.569:HTTP/1.0 200 OK