[mothered]

does exist something that can check the status of a giftcard? like if a giftcard is working or not without redeeming it, if yes does amazon have this stuff and check the giftcards if they really don't work and not replacing it for the customer

They're aware that the GC Is working but as said, the objective Is to remain adamant that It's not functioning on your end.

Using this approach has worked several times.