Originally Posted by
gregorius
As mia noted in the Altitude Reserve thread (
https://www.flyertalk.com/forum/32726533-post1562.html) regarding this same question, WM's newer terminals are trying to detect whether a physical card was swiped or the signal was emulated so they can throw out the emulated swipes.
I was just trying to buy VGC at WM and was paying with SP, got the message - Payment Type not allowed. Cashier also said that it's cash or debit, but it was working before
Edit: Tried walmart pay -> Chase pay route, still no go. Cashier said walmart pay can't be used for GCs.