According to this link, the registration token must be kept secret . Registration token: An ID generated by the FCM SDK for each client app instance. Required for single device and device group messaging. Note that registration tokens must be kept secret.
Read moreWhat is FCM device token?
Firebase Cloud Messaging (FCM) is a messaging solution that lets you reliably send messages at no cost to both Android & iOS devices . Using FCM, you can send data payloads (via a message) to a device for a specific application. Each message can transfer a payload of up to 4KB to a client.
Read moreDoes FCM token change?
To cover all cases, you should adopt a threshold for when you consider tokens stale; our recommendation is two months. Any token older than two months is likely to be an inactive device; an active device would have otherwise refreshed its token .
Read moreHow do I get FCM device token?
It’s my first time using FCM. I download a sample from firebase/quickstart-android and I install the FCM Quickstart.
Read moreHow can I get FCM token for my website?
Configure Web Credentials with FCM
Read moreHow does push notification work Firebase?
The Android push notifications through FCM actually treats the Data Messages as notification messages itself . As the interactions in the data messages are handled by the app itself, FCM’s work is just to deliver a notification and the message content.
Read moreHow do you handle push notifications?
Option 1: In your Settings app
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