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

# Payments and tax

- [Payment gateways](https://docs.commercelayer.io/data-model/payments-and-tax/payment-gateways.md): Supported payment gateway types and how to assign them to markets
- [Payment methods](https://docs.commercelayer.io/data-model/payments-and-tax/payment-methods.md): The payment source types you can offer per market and how they connect to payment gateways
- [Tax calculation](https://docs.commercelayer.io/data-model/payments-and-tax/tax-calculation.md): How automatic tax calculation works and the calculators, categories, and rules that power it


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