YugabyteDB Managed offers a powerful tool for automating tasks and improving productivity, with its CLI, REST API, and Terraform provider. The CLI provides a simple and intuitive way to interact with YugabyteDB resources, while the REST API and Terraform provider offer advanced automation capabilities. To get started, users can install the CLI via Homebrew, create an account, generate an API key, and set up credentials. Once set up, they can create a sandbox cluster and connect to it using various commands. The CLI is available for multiple platforms, open source, easy to install and upgrade, and has full documentation and auto-complete features.