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About multi tenancy

Many b2b apps allocate one subdomain per customer. For example, if my domain is, I may allocate one subdomain per customer like, and so on (clientN can also be the client's name instead)...

In this case, there are two choices for architecting login:

  • One login, many sub domains: A site may have one login page on or on using which all customers can signin / sign up. If clientN signs in, they will be redirected to

  • One login per sub domain: A site may provide one login per customer domain. So clientN logs in via and after signin, they are redirected to

SuperTokens supports both the methods. Please see the next pages to learn more.

Which UI do you use?
Custom UI
Pre built UI