firebase - FCM with Postman - The request was missing an Authentication Key (FCM Token) -


enter image description here

//body this

{     "to":     "/topics/news"     ,     "data":{         "extra_information": "this information"     },

//notification need give

"notification":{             "title": "chitchat group",             "text": "you may have new messages",             "click_action":"chatactivity"         }     }

the 401 error pertains authorization key invalid or incorrect.

when using postman, add key= prefix value of authorization, so:

key=aaa...

see stack overflow documentation did sending downstream fcm messages using postman.

also, notification message payload, text isn't 1 of valid parameters, think looking message instead.


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