# Overview

Using a Drop-in script can help you to handle more advanced use cases like,

  • Setting checkout and portal callbacks.
  • Modifying the plan quantity dynamically.
  • Adding/removing addons on demand.
  • Prefilling customer information and shipping information in the checkout.

You can easily create a checkout page by adding a script generated for the plan-item on your HTML page.

Learn more about the customizations and capabilities.