> For the complete documentation index, see [llms.txt](https://docs.callfa.st/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.callfa.st/payments-and-billing.md).

# Payments & Billing

- [How billing works](https://docs.callfa.st/payments-and-billing/how-billing-works.md)