Koneksi ESP 8266

#include <AltSoftSerial.h>
#include <stdlib.h>

String apiKey = "835210516a36e5e3b45916ede3dxxxxx";
AltSoftSerial ser;
#define SSID "Wifi" //SSID
#define PASS "Pass" //Password
void setup()
{                   
  ser.begin(9600);                // RX -> D8 ; TX -> 9 (Tetap) arduino uno
  delay(3000);
  if(ser.find("OK")){
    Serial.println("GET HERE");
   }  
  ser.println("AT+RST");
  delay(2000);
  ser.println("AT+CWMODE=1");
  delay(2000);
  String cmd="AT+CWJAP=\"";
  cmd+=SSID;
  cmd+="\",\"";
  cmd+=PASS;
  cmd+="\"";
  ser.println(cmd);
  delay(5000);
  cmd="";
}

void loop()
{               
  int val = 0;
  String cmd = "AT+CIPSTART=\"TCP\",\"";
  cmd += "geeknesia.com";
  cmd += "\",80";
  ser.println(cmd);
  delay(2000);
  cmd="";
  if(ser.find("Error"))
  {
    return;
  }
  String getStr = "GET /api/data?api_key=835210516a36e5e3b45916ede3dxxxxx&attributes={\"humidity\":\"65\"}";    
  getStr += "\r\n\r\n";  
  cmd = "AT+CIPSEND=";
  cmd += String(getStr.length());
  ser.println(cmd);
  delay(2000);
  if(ser.find(">"))
  {
    ser.print(getStr);
  }
  else
  {
    ser.println("AT+CIPCLOSE");
  }
  cmd="";
  delay(1000);  
}