How do I activate the Apple Card on a iPad Air

if you don’t have an iPhone, you can still activate the card. Follow these directions as if you didn’t have the packaging it came in.

If you don't have the Apple Card packaging

If you don't have the packaging that your titanium Apple Card arrived in, follow these steps to activate your card:

1. Open Wallet on your iPhone and tap Apple Card.
2. Tap the more button .
3. Under Physical Card, tap Activate Your Card.
4. Tap "Having trouble activating your card."
5. Tap Do Not Have Card Packaging, then follow the instructions on your screen.

https://support.apple.com/en-us/HT209434

Apple Card requires and iPhone. Use the Wallet app on the iPhone to apply for an Apple Card. If you request a physical card it can be activated using the Wallet app on the iPhone and the packaging that comes with the card.

"Settings" - "Wallet & Apple Pay"; add your card.

But have in your mind that you can't pay f.ex. in a real store like you can with your iPhone. It's only to pay f.ex. in an INet store.

ervau