Scanned Apple gift card and my balance not updating

There is no such history of which I am aware, other than anything you may have retained.

Read this article about how to check your Apple ID balance.--> Check your Apple Account balance - Apple Support

- If you think that your Apple ID balance is incorrect, sign out of the App Store or iTunes Store, then sign back in and check the balance again. If you still think that the balance is incorrect, check your purchase history to see if a subscription renewed or you bought an item that used the funds. You may also have owed money for a past purchase and Apple immediately debited your account once Apple saw money was available to pay for the purchase. Read this support article for directions about how to see your purchase history in the App Store or iTunes Store [mobile device, computer, or web] --> View your purchase history for the App Store and other Apple media services - Apple Support

If you still have problems:

Click here --> Choose your country or region - Official Apple Support Select your country, then a product. If you don't see one that handles your issue then keep experimenting with selections until you reach one that gets you a chat session or a telephone call and get the representative to redirect you.

or:

Contact Apple for support and service --> Contact Apple Support - Apple Support

One redeemed the gift cards are basically useless. You cannot determine when or where they were redeemed. There is no history other than what you may have yourself retained.

If you can't redeem your Apple Gift Card, App Store Card, or App Store & iTunes Gift Card - Apple Support

says:

"If you see a message that says that your card has already been redeemed,

you might have already redeemed it. Sign out of the App Store or iTunes

Store on all of your devices, then sign back in. This refreshes your

Apple Account balance. Learn how to check your Apple Account balance."