Tryin to stop a payment

• If you see 'apple.com/bill' on your billing statement - Apple Support. Bank/card statements list the merchant, but not the product. Find out more about the charge.
• See your purchase history for the App Store, iTunes Store, and more - Apple Support. The purchase history specifies each charge to your account. Find out what the charge was for.
• See your subscriptions overview - Apple. Find out which subscriptions you have on your account. Cancel the one(s) that you no longer want.
• Request a refund for apps or content that you bought from Apple - Apple Support. In case of accidental or unintended purchases, you may be request a refund.

If you received a message (email, text) about a charge, but not listed on your bank/card statement, then consider if it could be a phishing attempt.

Identify legitimate emails from the App Store or iTunes Store - Apple Support

Recognize and avoid phishing messages, phony support calls, and other scams - Apple Support