To receive payment via QR code, go to the Market section, and select Provide Services.
Select the QR Payment option.
Your personal QR code will show on this page, and You can show the QR code directly to the customer so they can scan and complete the payment.
Or you can use the Share option to send it so they can complete their payment by scanning the QR code.
You can also tap the Save option to save your QR code in your mobile gallery and use it whenever needed.