> For the complete documentation index, see [llms.txt](https://submodel.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://submodel.gitbook.io/docs/getting-started/billing-information.md).

# Billing Information

All billing, including per-hour compute and storage billing, is charged per minute.

For more information on billing questions, see [Billing FAQ](https://github.com/SubModel/docs/tree/main/references/FAQ.md##billing).

## Payment Methods

* **Credit Card**: You can use your credit card to fund your Submodel.ai account. We support major credit card types for funding.
* **Crypto Payments**: Submodel.ai accepts crypto payments, allowing you to fund your account using popular cryptocurrencies.
* **Business Invoicing**: For large transactions, Submodel.ai supports business invoicing through local and international wire transfers. For more details, please [contact us](https://github.com/SubModel/docs/tree/main/references/contact-us.md).

If you're having trouble with your card payments, you can [contact us](https://github.com/SubModel/docs/tree/main/references/contact-us.md) for assistance.