Choosing a subdomain

Only subdomains can be used to serve your GitBook documentation. It’s not possible to use an apex domain.

Here are some examples of what you could and could not choose — just replace with your own domain:

Domain typeExampleSupported?

Apex domain

www subdomain

Custom subdomain

Once you have chosen your custom domain, you’re ready to move onto the next step: deciding where to set the custom domain.

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