Hi @<1561885921379356672:profile|GorgeousPuppy74> , sorry, I missed this. In the open source server, you can't create new users using the UI, but you can change the server configuration and add fixed users (see here ). This, however, is not "dynamic" and requires server restart. You can however create new credentials for an existing user, assuming you have the user's user name and password (a fixed user) using the auth.create_credentials endpoint which requires no payload and returns a new set of credentials for the calling user.