Reseller Panel SSO is used for direct login of clients (sub-users) within the ClouDNS Reseller Control Panel.
API is located on URL: https://panel.cloudns.net/api/sso/
Methods are added at the end of the URL. For example for method login, the URL becomes: https://panel.cloudns.net/api/sso/login
All parameters should be passed to the API by POST or GET.