Ans. A UPI ID (Unified Payment Interface) lets users send and receive money without filling out their bank details. At the same time, a VPA (Virtual Payment Address) is just a mandatory condition to start making/receiving payments through UPI ID.
Ans. Yes, your bank account details are perfectly safe if you share the payment link because when the customer clicks on the payment link, it will take the customer straight towards making the payment without displaying any of your details.