I use FCM to send push notifications, my code works fine in Chrome, but I'm struggling with Firefox. I got an answer like this
{"multicast_id":8241088978207626504,"success":0,"failure":1,"canonical_ids":0,"results":[{"error":"InvalidRegistration"}]} 0 .
my full API request shown below
https://fcm.googleapis.com/fcm/send
heading
TTL: 60
User-Agent: Fiddler
Host: fcm.googleapis.com
Authorization: key = aBCABC-aBCABC
Content-Type: application / json
Content-Length: 250
body
{ "To": "gAAAAABYObKnhmk29O7z_ZeLomoG_7CwG6ZNUZpMz5SxB8XPizuUtNKYLyPMrMB7nR-IQo83L51DWvzAAqIau5c0LEWRE0CiwWO78Dn6JPwrVGqBqfZFJnHT1HuboZb9OrTdPknEXYvc", "data": { "hello": "This message is a group of devices Cloud Cloud Firebase!",}}
But this code works fine on Android, please give any suggestion. thank