How are invoice/credit note numbers set in Chargebee?

_**This article covers: **How to add a prefix to the invoice/credit note numbers? _

The invoice/credit note numbers are auto-generated in a number sequence starting from 1. However, you may mask the numbers by using Chargebee's advanced customization options.

You can customize the invoice/credit note numbers by configuring - a prefix, the number of digits and a starting number. To configure this, navigate to Settings > Configure Chargebee > Customize Invoices, Credit Notes, and Quotes.

Refer to this documentation for the complete details on customizing the invoice numbers.