It is not possible to cancel a refund in progress

Refund policy for Heroes of the Storm in-game purchases.

Checking on the status of a delayed refund.

Money refund policy for purchases of Call of Duty Points.

Friend or family member used payment information without permission and I would like a refund for the purchase(s) made

What to do if you purchased a gift and you sent it to the wrong friend by mistake

Customer Support may ask you for your PayPal billing agreement ID or your order invoice ID when assisting you with a refund

How to resolve this error when redeeming a Blizzard Balance code

Purchased Heroes of the Storm Gems for the Wrong Region

How to resolve the error message "We can’t process this code at this time"