When you[understand howApp Checkwill affect your users](https://firebase.google.com/docs/app-check/monitor-metrics)and you're ready to proceed, you can enableApp Checkenforcement.

The following steps describe how to enable enforcement forFirebase AI Logic,Data Connect,Realtime Database,Cloud Firestore,Cloud Storage,Authentication, Google Identity for iOS, Maps JavaScript API, and Places API (New). Once you enable enforcement for a product, all unverified requests to that product will be rejected.

1. Open the[**App Check**](https://console.firebase.google.com/project/_/appcheck)section of theFirebaseconsole.

2. Expand the metrics view of the product for which you want to enable enforcement.

3. Click**Enforce**and confirm your choice.

Note that it can take up to 15 minutes after you enable enforcement for it to take effect.