What is payroll? CardUp Team March 16, 2018 06:11 Updated Follow Payroll refers to the amount you pay employees during each pay period, along with the employee information. CardUp is now able to support payroll via our platform. Related articles How does payroll work on CardUp? What supporting document would I need to upload? What are CardUp rewards? Are CardUp transactions considered as ‘online spend’ on credit cards? Who can sign up for a CardUp for Business account? Comments 0 comments Please sign in to leave a comment.