We announced the upcoming end-of-support for the AWS CLI v1. For dates, additional details, and information on how to migrate, please refer to the linked announcement. For more information see the AWS CLI version 2 installation instructions and migration guide.
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Security Token Service (STS) enables you to request temporary, limited-privilege credentials for users. This guide provides descriptions of the STS API. For more information about using this service, see Temporary Security Credentials .