How to pay for my storage using gift cards?

Hello Phell8,

Thank you for reaching out to Apple Support Communities, and we'll be happy to help in any way we can.

To answer your question, yes, your Apple account balance can be used to pay for iCloud storage. This does include the Apple account balance that would be present from redeeming a gift card as described in this article: Payment methods that you can use with your Apple ID

How to redeem your Apple Gift Card or App Store & iTunes gift card

"Redeem a gift card with your iPhone, iPad, or iPod touch

1. Find the 16-digit code on the back of the card. For some gift cards, you might need to peel or gently scratch off the label to see the code.
2. On your iPhone, iPad, or iPod touch, open the App Store app.
3. At the top of the screen, tap the sign-in button  or your photo.
4. Tap Redeem Gift Card or Code. If you don’t see Redeem Gift Card or Code, sign in with your Apple ID.
5. Tap Use Camera and follow the instructions on the screen. If you have trouble redeeming the card, tap Enter Code Manually, then follow the instructions on the screen.
6. Tap Done.

Can't redeem your gift card?

In the United States, when you redeem a gift card to your Apple Account balance, the balance might appear in Apple Wallet.

Learn more about using Apple Wallet"

We hope this helps.

Cheers!