Google GCM server returns Unauthorized Error 401

Question

I am using GCM services to push information from server. If I use browser key it shows the sucess mesaage as : {"multicast_id":4849013215736515938,"success":1,"failure":0,"canonical_ids":0,"results":[{"message_id":"0:1348742583011905%2adac3a0f9fd7ecd"}]} but i did not get any notifications on device. And if I use server key it shows Unauthorized Error 401. My code is shown below:

$apiKey = "xxxxx"; $registrationIDs = array("xxxxxxxx"); $message = "testing Process"; $url = 'https://android.googleapis.com/gcm/send'; $fields = array(         'registration_ids'  => $registrationIDs,         'data'              => array("message"=>$message),         ); $headers = array(          'Authorization: key=' . $apiKey,         'Content-Type: application/json'         ); $ch = curl_init(); curl_setopt( $ch, CURLOPT_URL, $url ); curl_setopt( $ch, CURLOPT_POST, true ); curl_setopt( $ch, CURLOPT_HTTPHEADER, $headers); curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true ); curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0); curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0);  curl_setopt( $ch, CURLOPT_POSTFIELDS, json_encode($fields) );  $result = curl_exec($ch); if(curl_errno($ch)){ echo 'Curl error: ' . curl_error($ch); } curl_close($ch); echo $result; 

Please help me for this issue. Thanks in advance.

Answer 1

Did you whitelist the IP of your server? This is not necessary by default for the browser key, but it is for the server key.

You can check it here:

https://code.google.com/apis/console/#project:[YOUR PROJECT NUMBER]:access