The Portal Parameters page is the page that allows you to change the parameters of the subscription portal that you display to your users. They can be accessed here: https://dashboard.uicheck.io/parametersβ
Allow customers to cancel subscriptions: When turned off, your customers won't be able to cancel their subscriptions through the UiCheck portal
Subscription and Cancel URLs: where the user is redirected where subscribing to a plan through the UiCheck Portal.