How to refund purchases not made by me with my iPhone?

Hello~ You may go to upper right hand corner and click on Get Support or How to Contact Us - Apple. Have you shared your Apple ID with anyone? Take a look here:

If you think your Apple ID has been compromised - Apple ...

~Katana-San~

pchat65 wrote:

someone is hacking my phone and using it to make purchase

[Re-Titled by Moderator]

The odds of that are virtually non-existent.

What, exactly, are you seeing?