# Amazon Builder ID
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Amazon Builder ID is an additional Amazon authentication method that may be required to use certain services or features, such as cloning a 3rd party repository with Amazon CodeCatalyst.

For detailed information about the Amazon Builder ID authentication method, see the [Sign in with Amazon Builder ID](https://docs.amazonaws.cn/signin/latest/userguide/sign-in-aws_builder_id.html) topic in the *Amazon Sign-in* User Guide.

For additional information about cloning a repository for CodeCatalyst from Amazon Toolkit for Visual Studio, see the [Working with Amazon CodeCatalyst](https://docs.amazonaws.cn/toolkit-for-visual-studio/latest/user-guide/codecatalyst-overview.html) topic in this User Guide.