# Introduction
The documentation provided below outlines the various use cases that can be set up with PanelAlpha in conjunction with an integrated billing platform. For the majority of our customers, WHMCS serves as the most commonly used billing system. Therefore, the examples described in the following articles of the "Billing Scenarios" section demonstrate the configuration and workflows using WHMCS. However, it is important to note that you can integrate PanelAlpha with any other billing platform using the API to achieve the same scenarios.
Each use case is divided into two sections:
- Workflow - this section provides an explanation of how the scenario works from both the end-customer and billing perspectives
- Configuration - Here, you will find a step-by-step process explaining how to set up PanelAlpha in combination with WHMCS, serving as an example
Before you begin the setup process, please ensure that you have completed all of the following steps:
- Installation
- Server Configuration
- Plan Configuration
- Installation and configuration of the WHMCS module (this step is only applicable to users who utilize WHMCS as their billing system)