react-native-firebase/docs/iid/index.md

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Instance ID	Firebase Instance ID provides a unique identifier for each app instance and a mechanism to authenticate and authorize actions.

Instance ID

Instance ID provides a simple API to generate security tokens that authorize third parties to access your app's server side managed resources, for example sending FCM messages.

Getting Started

Install & start using Instance ID with your application. Understand how Instance ID can be used with your application and server side systems. The API reference covers everything required to successfully start using Instance ID.

Learn more

Our documentation is a great place to start, however if you're looking for more help or want to help others, check out the resources below:

• Stack Overflow
• Github Issues