I amm working with nodemcu with dweet as a beginner to send a message to the dweet after I upload the code the result is a pannel showing this message:
Connecting to Omar...
..WiFi connected!
IP address:
192.168.43.88
Setup ready
Sending dweet to dweet.io/follow/omar67
connection 1

closing connection

The following is the code that I wrote to implement this small project

Code C++ - [expand]
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#include <ESP8266WiFi.h>
const int ledpin1 = 5;
const int ledpin2 = 4;
const int ledpin3 = 15;
const int input1 = 13;
const int input2 = 14;
const int input3 = 12;
int counter = 0;
const char* host =  "dweet.io";
//// WiFi parameters
//const char* ssid = "Tedata2017";
//const char* password = "10009000*" ;
const char* ssid = "Omar";
const char* password = "11112222" ;
//const char* key="omar2009";
String thingName = "omar67";
String hi = "How are you";
void setup() {
  // put your setup code here, to run once:
 
  Serial.begin(115200);
  delay(10);
  //Connect to WiFi Network
  Serial.println();
  Serial.println();
  Serial.print("Connecting to ");
  Serial.print(ssid);
  Serial.println("...");
 
  WiFi.begin(ssid, password);
  int retries = 0;
  while ((WiFi.status() != WL_CONNECTED) && (retries < 15)) {
    retries++;
    delay(500);
    Serial.print(".");
  }
  if (retries > 14) {
    Serial.println(F("WiFi conenction FAILED"));
  }
  if (WiFi.status() == WL_CONNECTED) {
    Serial.println(F("WiFi connected!"));
    Serial.println("IP address: ");
    Serial.println(WiFi.localIP());
  }
  Serial.println(F("Setup ready"));
 
}
 
String getDweetString() {
  WiFiClient client;
  String  dweetHttpGet = "POST /dweet/for/";
  dweetHttpGet = dweetHttpGet + String(thingName) + "?";
  dweetHttpGet = dweetHttpGet + String(hi) ;
  dweetHttpGet = dweetHttpGet + " HTTP/1.1\r\n" +
                 "Host: " +
                 host +
                 "\r\n" +
                 "Connection: close\r\n\r\n";
  dweetHttpGet = dweetHttpGet + " HTTP/1.1\r\n" + "Host: " + host + "\r\n\r\n";
  //String url = "/dweet/for/";
  //  url += thingName;
  //  url += "?";
  //  url += "hi=";
  //  url += hi;
  //
  //
  //  Serial.print("Requesting URL: ");
  //  Serial.println(url);
  //
  //  // This will send the request to the server
  //  client.print(String("GET ") + url + " HTTP/1.1\r\n" +
  //               "Host: " + host + "\r\n" +
  //               "Connection: close\r\n\r\n");
 
  delay(10);
  return dweetHttpGet;//this is our freshly made http string request
 
}
 
void sendDweet() {
  WiFiClient client;
  const int httpPort = 80;
 
  //connect to dweet.io
  if (!client.connect(host, httpPort)) {
    Serial.println("connection failed");
    return;
  }
  else {
    Serial.println("connection 1");
 
  }
  getDweetString();
  client.print(getDweetString());
  delay(10); //wait...
  while (client.available()) {
 
    String line = client.readStringUntil('\r');
    Serial.print(line);
  }
  Serial.println();
  Serial.println("closing connection");
 
}
 
void loop() {
  // put your main code here, to run repeatedly:
  Serial.print("Sending dweet to ");
  Serial.print(host);
  Serial.print("/follow/");
  Serial.print(thingName);
  Serial.println();
 
  sendDweet(); //send data to dweet.io
  delay(2000);
 
}