📄️ Overview
Add-ons are a useful feature that allows you to add a fixed charge that is not recurring to one-off invoices. This can be used to apply one-time fees such as a setup fee, one-time payment, or customer success fee.
📄️ Create one-off invoices from add-ons
One-off invoices allow you to bill immediately one or several add-ons to a customer. This guide will show you how to create a one-off invoice for a specific customer using the add-ons.