Setup Firebase Cloud Messaging
To make use of Gleap Push Notifications you must add the Firebase Cloud Messaging service to your app or website. Learn how to get started with FCM here.Getting your Firebase Cloud Messaging Token
Open your project in Firebase and open the project settings. Click on “Cloud Messaging” and, if it is not already enabled, activate the Firebase Cloud Messaging API (V1).
serviceAccountKey.json.

serviceAccountKey.json file. Finally, save your configuration.

Subscribe to the Gleap user topic
The last step to complete the push notification setup is to subscribe to the user topic, which Gleap will send the push notifications to. First, in order to proceed, it is necessary to obtain the registration token from Firebase. For more detailed information, please refer to the documentation provided by Firebase here.Notification images
When a changelog or news article with a featured image is sent as a push notification, Gleap includes the image in the web push payload (notification.image). Browsers that support notification images (e.g. Chrome and Edge) display it automatically — no additional setup is required.