Serial.println("HTTP get method :");
Serial.print("AT\\r\\n");
GSMModule.println("AT"); /* Check Communication */
Serial.print("AT+SAPBR=3,1,\"CONTYPE\",\"GPRS\"\\r\\n");
GSMModule.println("AT+SAPBR=3,1,\"CONTYPE\",\"GPRS\""); /* Connection type GPRS */
Serial.print("AT+SAPBR=3,1,\"APN\",\"uinternet\"\\r\\n");
GSMModule.println("AT+SAPBR=3,1,\"APN\",\"uinternet\""); /* APN of the provider */
Serial.print("AT+SAPBR=1,1\\r\\n");
GSMModule.println("AT+SAPBR=1,1"); /* Open GPRS context */
Serial.print("AT+SAPBR=2,1\\r\\n");
GSMModule.println("AT+SAPBR=2,1"); /* Query the GPRS context */
Serial.print("AT+HTTPINIT\\r\\n");
GSMModule.println("AT+HTTPINIT"); /* Initialize HTTP service */
Serial.print("AT+HTTPSSL=1\\r\\n");
GSMModule.println("AT+HTTPSSL=1"); /* Initialize SSL service */
Serial.print("AT+CMEE=1\\r\\n");
GSMModule.println("AT+CMEE=1"); /* Initialize Errors service */
Serial.print("AT+HTTPPARA=\"CID\",1\\r\\n");
GSMModule.println("AT+HTTPPARA=\"CID\",1"); /* Set parameters for HTTP session */
Serial.print("AT+HTTPPARA=\"URL\",\"42a149e7.ngrok.io/api\"\\r\\n");
GSMModule.println("AT+HTTPPARA=\"URL\",\"42a149e7.ngrok.io/api\""); /* Set parameters for HTTP session */
Serial.print("AT+HTTPPARA=\"USERDATA\",\"Authorization sr=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\"");
GSMModule.println("AT+HTTPPARA=\"USERDATA\",\"Authorization sr=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\""); /* Set Content parameters for HTTP session */
Serial.print("AT+HTTPPARA=\"CONTENT\",\"application/json\"");
GSMModule.println("AT+HTTPPARA=\"CONTENT\",\"application/json\""); /* Set Content parameters for HTTP session */
Serial.print("AT+HTTPDATA=" + String(reading.length()) + ",100000");
GSMModule.println("AT+HTTPDATA=" + String(reading.length()) + ",100000"); /* Set parameters for HTTP session */
Serial.print(reading);
GSMModule.println(reading); /* Set parameters for HTTP session */
Serial.print("AT+HTTPACTION=1\\r\\n");
GSMModule.println("AT+HTTPACTION=1"); /* Start POST session */
Serial.print("AT+HTTPREAD\\r\\n");
GSMModule.println("AT+HTTPREAD"); /* Read data from HTTP server */
Serial.print("AT+HTTPTERM\\r\\n");
GSMModule.println("AT+HTTPTERM"); /* Terminate HTTP service */
Serial.print("AT+SAPBR=0,1\\r\\n");
GSMModule.println("AT+SAPBR=0,1"); /* Close GPRS context */