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Firebase API Reference Stay organized with collections Save and categorize content based on your preferences.

The API reference documentation provides detailed information for each of the classes and methods in the Firebase SDK. Choose your preferred platform from the list below.

Other reference documentation

Find detailed information about app configuration settings, or Firebase related tools.

Index of all libraries

View an index of all supported platforms, frameworks, libraries, and tools.

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Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2026-08-19 UTC.

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