google-auth is the Google authentication library for Python. This library provides the ability to authenticate to Google APIs using various methods. It also provides integration with several HTTP libraries.


oauth2client was recently deprecated in favor of this library. For more details on the deprecation, see oauth2client deprecation.


google-auth can be installed with pip:

$ pip install --upgrade google-auth

google-auth is open-source, so you can alternatively grab the source code from GitHub and install from source.

For more information on setting up your Python development environment, please refer to Python Development Environment Setup Guide for Google Cloud Platform.


The User Guide is the place to go to learn how to use the library and accomplish common tasks.

The Module Reference documentation provides API-level documentation.


google-auth is made available under the Apache License, Version 2.0. For more details, see LICENSE


We happily welcome contributions, please see our contributing documentation for details.