Google Developer Notifications Setup
-
Enable access to API here.

- Navigate to your “Settings” tab at your project, then click the “Stores” button.
- Scroll down to the Google Play Console configuration section and click Connect to Google button under the Google Developer Notification settings.

- You need to copy generated Google Developer Notifications Topic ID, as shown on the screenshot below.

- Open the Google Play Console for your application, then navigate to Monetization setup.
- In the Real-time developer notifications section:
- check the Enable real-time notifications toggle,
- insert your topic ID,
- choose the correct Notification content for your app (with in-app products if you use them),
- click on Save changes,
- click on the Send Test Notification button.

Troubleshooting
Could not connect Qonversion to Google
- Ensure the provided service access key has Pub/Sub Admin role. Create a new service account key with Pub/Sub Admin role as described here
- Wait 24 hours
- Back up your existing key from Qonversion, then update the service key
- Try again connecting Google to Qonversion
Apple Server-to-Server Notifications (S2S) Migrating In-App Subscriptions