# Billing

This menu is used to purchase the provided Cloudka Portal Service packages, create, and view tickets that have already been created. It can be understood as follows: 

* In a **Postpaid** project with a **Fixed** payment method, it is required to purchase a Package in Manage Service to be able to utilize the Create Ticket service in the List Tickets menu.
* In a **Postpaid Usage Based** project that uses the payment method, **Pay Per Use** can create a Create Ticket on the List Tickets menu without having to purchase Package at Manage Service.
*  In a **Prepaid project** using the payment method, Pay Per Use can create a Create Ticket on the List Tickets menu without having to purchase Package at Manage Service.