# Invoices

Go to Billing -> Invoices (<https://app.caspen.com/invoices>)

Before creating an invoice, make sure you have set up the invoice defaults under the Settings -> [billing](https://support.caspen.com/using-caspen/settings/billing "mention") section so your invoices include all the necessary details, such as payment terms, tax options and invoice numbering.

### What can be included in an invoice?

* Services
* Services Linked to Appointments (Generated from the calendar)
* Custom items (Where you can create your descriptions as needed)

Invoice Status Definition

* Draft -&#x20;
* Open -&#x20;
* Paid -&#x20;
* Voided -&#x20;
