poly login

Sign in to an existing Agent Studio account and save API key credentials for the CLI. Works against any region.

For first-time onboarding, poly setup runs this same sign-in flow plus shell completion, AI agent skills, and project setup in one command.

poly login:

1. Prompts for a region if --region is not supplied.
2. Opens a browser window for sign-in via the Auth0 device authorization flow.
3. Fetches or creates an API key for your user and saves it to ~/.poly/credentials.json under the chosen region.

Run poly login once per region you need access to — credentials for multiple regions are stored side by side in the credential file.

Examples:

poly login
poly login --region us-1
poly login --region euw-1
poly login --region uk-1
poly login --region studio

Flag	Description
--region	Region to log in to. Choices: us-1, euw-1, uk-1, studio. If omitted, you are prompted to pick one.