It wanted to scan the back of my dl but Indian dls are totally blank at the back. Then it said my webcam wasn't good enough and showed me a QR code to use for my mobile. The link never opened. Tried it 3 times and 5 minutes later I just googled the next alternative site and bought it from there.
Lesson being use this only if it is totally necessary. You may lose paying customers in your overzealousness to be super tech savvy to KISS sites using a Paypal button.