I have a credit charge for an app from Appstore, I would like to get a refund. But I do not appear to have any purchases. But I have been charged on my card

See the following Apple articles:

View your purchase history for the App Store, iTunes Store, and other Apple media services

View your purchase history for the App Store, iTunes Store, and other Apple media services - Apple Support

How apps, content, and subscriptions from Apple are billed

How apps, content, and subscriptions from Apple are billed - Apple Support

If you see "apple.com/bill" on your billing statement

If you see "apple.com/bill" on your billing statement – Apple Support (UK)

If you see an unexpected charge

You can request a refund* for a purchase that you don't recognize, but you must pay for the purchase first. You can also cancel a subscription if you don't want to continue it.

*You must request the refund within the refund period.

Refunds are not guaranteed. For more information, see the Terms & Conditions.

Click here for more support and assistance.

Hello ~ You may want to get in touch with your banking institution an/or your credit card company just to make sure your information has not been breached and being used by unauthorized individuals.

~Katana-San~