The request was missing an Authentification Key FCM Token
<p>I am trying to hit using postman firebase url but it is giving me error. 
I have setup all the things but it still it is giving me error</p>

<p>Here is the error which I am getting on postman</p>

<pre><code>&lt;HTML&gt;
    &lt;HEAD&gt;
        &lt;TITLE&gt;The request was missing an Authentification Key (FCM Token). Please, refer to section &amp;quot;Authentification&amp;quot; of the FCM documentation, at https://firebase.google.com/docs/cloud-messaging/server.&lt;/TITLE&gt;
    &lt;/HEAD&gt;
    &lt;BODY BGCOLOR="#FFFFFF" TEXT="#000000"&gt;
        &lt;H1&gt;The request was missing an Authentification Key (FCM Token). Please, refer to section &amp;quot;Authentification&amp;quot; of the FCM documentation, at https://firebase.google.com/docs/cloud-messaging/server.&lt;/H1&gt;
        &lt;H2&gt;Error 401&lt;/H2&gt;
    &lt;/BODY&gt;
&lt;/HTML&gt;


These things I am adding &lt;br/&gt;
url = 'https://fcm.googleapis.com/fcm/send'&lt;br/&gt;
method = POST&lt;br/&gt;
Headers &lt;br/&gt;
Authorization = 'FIREBASE_SERVER_API_KEY'&lt;br/&gt;
Content-Type = application/json&lt;br/&gt;
Body = 
"{"registration_ids":["ids"],"priority":"high\",\"data\":{\"notification_id\":76,\"title\":\"dvxcv\",\"description\":\"xcvxv\",\"image\":\"/uploads/image/image/37513/Screenshot_from_2016-10-17_10_43_59.png\"}}"
</code></pre>