Unwanted pending purchase

The standard procedure is you have to pay for the item and then ask Apple for a refund, which may or may not be granted.

Confirm you have canceled any subscription automatic renewal (if you simply delete an app this does not cancel subscriptions):

Review the information in this support article by clicking on the link to learn how to cancel a subscription from Apple. ➔ If you want to cancel a subscription from Apple - Apple Support If you subscribed to this in the EU from a third party, see: About purchases not billed through the App Store or the App Store's In-App Purchase system - Apple Support instead.

• "If you signed up for a free or discounted trial subscription and you don't want to renew it, cancel it at least 24 hours before the trial ends."

• An existing subscription will normally continue until the end of its term and may then renew automatically. Stopping automatic renewal is effectively canceling it. "If you don’t see Cancel Subscription, then the subscription is already canceled and won't renew." The "Expires" date means the current subscription will just run until then. Note special conditions for some countries: About canceling subscriptions in Germany, Israel, South Africa, or Türkiye - Apple Support

• Read the article to see what to do about subscriptions that do not appear in your list. If you still can't find a subscription, contact Apple Support using the link at the end of the support article.

• Canceling a subscription does not automatically start a refund.

If you wish to pursue a refund, follow the directions in this support article about how to request a refund for apps or content that you bought from Apple ➔ Request a refund for apps or content that you bought from Apple - Apple Support

Read this support article for information about how long it takes to receive a refund (if one is granted), and how to check the status of a refund for apps or content that you bought from Apple --> Check the status of a refund for apps or content that you bought from Apple - Apple Support

You are welcome to contact Apple about this but in 20 years I have never seen anybody state here that they got Apple to shortcut the standard procedure.

If you contacted Support and the issue wasn't resolved, no one here can help you. No one here works for Apple or has access to your account.

Trial subscriptions must be canceled 24 hours before it is scheduled to end or it will become a paid subscription.

Managing auto-renewing subscriptions -

If you want to cancel a subscription from Apple - Apple Support

Until you resolve the defaulted payment your account will remain frozen and you won't be able to use it.

M1 Mac mini, macOS 14.5;  Watch, series 7 GPS/cellular, watchOS 10.5; iPhone 12 Pro, iOS 17.5; TV 4th Gen, tvOS 17.5; HomePods, audioOS 17.5 and Airport Express w/ Airplay 2