Yes. Your Classmade address already works, and Pro can connect a verified custom domain. Domain setup stays separate because it changes public routing and should not be mixed into ordinary visual settings.
Can I use my own domain?
Yes
Want to do that now?
You can make the change right in your Classmade dashboard.
Still need a hand?
If something about your Classmade store, payment or Resource is not working, we're here.