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

# Core Concepts

- [Overview](https://docs.rocketfuel.inc/core-concepts/overview.md)
- [Partners](https://docs.rocketfuel.inc/core-concepts/partners.md)
- [Merchants](https://docs.rocketfuel.inc/core-concepts/merchants.md)
- [Shoppers](https://docs.rocketfuel.inc/core-concepts/shoppers.md)
- [Exchanges](https://docs.rocketfuel.inc/core-concepts/exchanges.md)
- [QR Payments](https://docs.rocketfuel.inc/core-concepts/qr-payments.md)
- [Bank Payments](https://docs.rocketfuel.inc/core-concepts/bank-payments.md)
- [Invoices](https://docs.rocketfuel.inc/core-concepts/invoices.md)
- [Settlements](https://docs.rocketfuel.inc/core-concepts/settlements.md)