Use a Free Subdomain with Square Online
If you don't already own a custom domain and aren't ready to buy one, you can create a free subdomain (e.g. "mybusiness.square.site") for your Square Online site. This helps with getting you up and running quickly while you continue creating your website and building your brand.
If you prefer creating a custom subdomain (e.g. "store.mybusiness.com"), learn how to use a custom subdomain with Square Online.
Use the Preset Subdomain
When you first set up your Square Online site, you’ll automatically get a free subdomain that’s based on your business information.
You can view the current subdomain in your Square Online Overview page by going to Website > Domains. If you’re happy with this subdomain, publish your website from the Square Online site editor whenever you’re ready to go live.
Change Your Subdomain
To use or change a free subdomain:
In your Square Online Overview page, go to Website > Domains.
Select Connect domain.
Select Use a Square subdomain and enter your preferred subdomain name (e.g. "mybusiness.square.site").
Select Change when finished.
Publish your site in the Square Online site editor to see your changes live.