> For the complete documentation index, see [llms.txt](https://support.caspen.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.caspen.com/using-caspen/settings/billing.md).

# Billing

**Get started with Billing settings:**

* [Set up invoice preferences](/using-caspen/settings/billing/set-up-invoice-preferences.md) – Manage your invoice default settings. 
* [Set up and manage tax settings](/using-caspen/settings/billing/set-up-and-manage-tax-settings.md) – Create and adjust system-wide and service-specific tax rates.