QR Inquiry

Check the status of a QR payment when the result is unclear or delayed, helping ensure accurate tracking of payment outcomes.

Sequence Diagram

Process Flow

1. Smart Terminal returns response [309 : Inquiry required] to SDK.
2. POS calls receiveResponse() for response handling.
3. SDK returns the response value.
4. POS displays result on screen.
5. User request for QR Inquiry on the POS.
6. POS creates a InquiryQrPaymentRequest() object.
7. POS calls sendRequest() to send payment request.
8. SDK sends the encoded request to Smart Terminal.
9. Smart Terminal returns response [100 : Approved] to SDK. You may refer to Response Codes.
10. POS calls receiveResponse() for response handling.
11. SDK returns the response value.
12. POS displays result on screen.