Must be paid subscription, legacy free edition won’t work.
1. First enable API access from your G Suite Admin Panel.
Security > API Reference > Enable API Access
2. Next, from profile section, select new user features to Rapid Release, and new products to Automatic.
Company Profile > Profile
3. Add secondary domain, and make it primary, then remove the existing domain
4. You can try it by a command, click “Try it now”.