> For the complete documentation index, see [llms.txt](https://tech.x2bee.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tech.x2bee.com/api/api-en/back-office-api-reference/payment-bo-api.md).

# Payment BO API

- [Refund Management](https://tech.x2bee.com/api/api-en/back-office-api-reference/payment-bo-api/refund-management.md)
- [Interest Free Installment Guide Management](https://tech.x2bee.com/api/api-en/back-office-api-reference/payment-bo-api/interest-free-installment-guide-management.md)
- [Payment Method Management](https://tech.x2bee.com/api/api-en/back-office-api-reference/payment-bo-api/payment-method-management.md)
- [Payment History Lookup](https://tech.x2bee.com/api/api-en/back-office-api-reference/payment-bo-api/payment-history-lookup.md)
- [Merchant Management](https://tech.x2bee.com/api/api-en/back-office-api-reference/payment-bo-api/merchant-management.md)
- [Account Verification Management](https://tech.x2bee.com/api/api-en/back-office-api-reference/payment-bo-api/account-verification-management.md)
- [Models](https://tech.x2bee.com/api/api-en/back-office-api-reference/payment-bo-api/models.md)