Ok thanks

But when i have load on this exaple scripts on to server and try to get on
http://www.mydomain.com/login.php or /client_add.php I get 'login_failedThe login failed. Username or password wrong. SOAP Error: The login failed. Username or password wrong.' but i gave my admin login and psswd; and yet 'The requested URL /ispconfig3/interface/web/remote/index.php was not found on this server.'
Edit OK i have to make a NEW REMOTE acc for user

in panel of ISP
but still i dont know how to creat an account externaly
There is no any ready-to-use appl in wchich you can make a new account by a signup-form?