Every business which registers on Appointy, gets a unique URL which is a sub-domain on Appointy. Your user name at Appointy is a part of your unique URL. For example, if your user name is "lalunasalon", then your unique booking URL at Appointy would be http://lalunasalon.appointy.com and as an administrator, your URL will be http://lalunasalon.appointy.com/admin
You can also go to http://www.appointy.com and login using the Login button on the top right.