Firebase 401 unauthorized error FCM

android firebase-cloud-messaging
gaurav jain picture gaurav jain · Jun 4, 2016 · Viewed 87.4k times · Source

I'm trying to test out Firebase Cloud messaging APIs as all functionality is not available from console (notably customization of notifications when app is in background). But for some reasons, I cannot get it to work, and it always shows up 401 error. I investigated the reasons for this, and tried it after regenerating new server key, but the error remains constant. Surprisingly, when I generated a new server key, it is not reflected in Firebase console and it shows server key as empty. Also, I tried adding my IP address to the server whitelist IPs but still no luck. I've attached a screenshot of a request that I did with Postman (I substitue the server key in place of serverKey.

I'm stuck on this for a few hours and would really appreciate some help.enter image description here

Answer

S1ngoooor picture S1ngoooor · Nov 1, 2016

I don't know if someone uses the [Web API Key] as the [YOUR_SERVER_KEY] for POSTMAN test and keep getting '401 Error'. [Web API Key] is not [YOUR_SERVER_KEY].

You should go to your Firebase console and check this:

to get the correct Server key.

Hope it help.

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