Using Apple gift cards with a card photo and code on back of card
Is it possible for an individual to use an Apple gift card with only a photo of the card and access to the code on back of the card?
iPad Air 2, iPadOS 15
If the card was purchased and the store where purchased activated the card, the card can be redeemed if all the numbers are legible.
How to redeem your Apple Gift Card or App Store & iTunes gift card - Apple Support