Access to the service is via the login page. The credentials are sent by GatewaySMS.it after the registration request at the service. You can change your password by clicking on the "Forgot Password" link. You will receive by email a link valid for 24 hours to enter one New Password
By entering the email address with which you registered, you will be sent the link to change your password.
There is no way to know the current password because it is encrypted.
If you don't have an account on GatewaySMS.it yet, just sign up by filling in a simple form. Within a while time you will receive access data to the service.