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Install

Trust the Upsun tap, then install:
To verify the installation, run:

Authenticate

Run the following command to authenticate and to manage your projects:
This command opens a browser tab for you to log in. It also creates certificates on your computer for SSH. After logging in, you see a list of your projects and tips for getting started. If you experience authentication issues or want to force a login, run upsun login. To install and authenticate the CLI in a CI system or app container using a build hook, see Authenticate using an API token.

Update the CLI

To update the CLI, run the appropriate command for your platform:

Upgrade from the legacy CLI

Follow the installation instructions above. Once installed, the CLI guides you through removing the legacy CLI.
Last modified on July 10, 2026