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

# Archive

- [QR Payment (Old version)](https://docs.galaxypay.vn/upc/archive/qr-payment-old-version.md): You can create and manage QR Payment  in two different ways:  Using our API or our portal
- [API create QR](https://docs.galaxypay.vn/upc/archive/qr-payment-old-version/api-create-qr.md)
- [API query status](https://docs.galaxypay.vn/upc/archive/qr-payment-old-version/api-query-status.md)
- [How to test](https://docs.galaxypay.vn/upc/archive/qr-payment-old-version/how-to-test.md)
- [API create PaymentLink](https://docs.galaxypay.vn/upc/archive/api-create-paymentlink.md)