Facebook controls all the transaction process.
If you suspect that there’s been fraudulent transaction on your account, you should immediately contact Facebook:
https://www.facebook.com/help/
I´ve received a bill for a purchase I didn´t make. What should I do if I suspect fraudulent activity? (Facebook)
Last Updated: 1294d
If you suspect that there’s been fraudulent transaction on your account, you should immediately contact Facebook:
https://www.facebook.com/help/