Firebase Docs Reference com.google.firebase.iid Classes FirebaseInstanceId This class is the entry point for all server-side Firebase Instance ID actions. Exceptions FirebaseInstanceIdException Represents an exception encountered while interacting with the Firebase instance ID service. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated February 14, 2019.