I mistakenly purchased a app how do I get refund I

How to request a refund:

1. Go to reportaproblem.apple.com. 
2. Sign in with your Apple ID and password.
3. If you see the "Report" or "Report a Problem" button next to the item that you want to request a refund for, click it.
4. Follow the instructions on the page to choose the reason why you want a refund and submit your request.

If you can't request a refund on reportaproblem.apple.com:

If the charge is pending, you canʼt request a refund yet. After the charge goes through, try to request a refund again.

If you have an unpaid order, you need to pay for that order before you request a refund. You might need to update your payment information.

Get more information about refunds

See how long refunds take.

For more information about refund requests or for other refunds that you can’t request on reportaproblem.apple.com, contact Apple Support.

Problem with a subscription?

You can request a refund. You can also cancel the subscription.

If you or a family member bought an item by accident

If you or a family member bought an item by mistake, set up Screen Time to prevent unintentional purchases in the future. You can require a password for purchases, prevent some types of purchases, or disable purchasing completely. Set up Screen Time.

Thanks,

EpicX