# Page Not Found

The URL `using-caspen/settings/billing/payment-methods` does not exist.

You might be looking for one of these pages:
- [Billing](https://support.caspen.com/using-caspen/settings/billing.md)
- [Set up and manage tax settings](https://support.caspen.com/using-caspen/settings/billing/set-up-and-manage-tax-settings.md)
- [Set up invoice preferences](https://support.caspen.com/using-caspen/settings/billing/set-up-invoice-preferences.md)
- [Add a new payment method](https://support.caspen.com/using-caspen/billing/payments/add-a-new-payment-method.md)
- [Scheduling](https://support.caspen.com/using-caspen/settings/appointments.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://support.caspen.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://support.caspen.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/using-caspen/settings/billing.md`)
- Use `Accept: text/markdown` header for content negotiation