First Activate the contact less ordering from eZee Optimus backoffice.

Switch to eZee Backoffice>>Master>>Payment>>Edit >> Activate contact less

Copy the link as per the below screenshot and paste it in the Guest portal setting in eZee Optimus.

Do visit on live chat support if you have any further queries for the eZee Optimus.
eZee Optimus Live chat Support

Related Topic:-

What are the digital menu and contactless dine-in in eZee Optimus?