When using Apple or Google Pay to fund your account, the card number (or the last four digits), and expiry date on our platform may differ from the actual card details. This is due to the extra security layer applied by Google Pay and Apple Pay, that generate a tokenized (random) number and expiry date.
GooglePay doesn’t offer you to check the real number on their application.
On iOS, you can check the actual number in your Apple Pay Wallet:
If a card you’re using with Google Pay or Apple Pay is no longer active, please check this article.