got scammed by buyer who not giving my payment

1

i sold an tw apex for 90.50 (got just 80) and i deliverd the item and he just removed me after a sec and he did the trade on hold, what do i need to do? i took screenshots and sent a massage to gameflip with the screenshots.
i need to worry about it?

2

Just to make sure that you actually sold something, does your listing appear in https://gameflip.com/listings/sold ? Please give your invite code or order ID so a moderator can help you.

3

620b730f-2ddc-4670-aeda-508de791ce29
thats my tw apex scam code

4

Hello!

Please contact us at support@gameflip.com, and send us all evidence that you have about this case.

We will be able to provide you further help then.

Thanks!