Can I use my HyperJar card to get cash back in a shop? December 14, 2020 22:59 Updated Follow No, at the moment it is not possible to use HyperJar to get cash back from shops. Related articles Why won't my card work at Pay at Pump filling stations? Why won't my card work at an ATM? What is the limit for contactless transactions? Can I transfer money from my HyperJar account back to my bank? Why won't my card work on a betting site? Comments 0 comments Please sign in to leave a comment.