Payflex debited my money without completing the order at Takealot and there have no contact details the number that I got from Google and Payflex app is not working so does the Email address is invalid

Payflex debited my money without completing the order at Takealot and there have no contact details the number that I got from Google and Payflex app is not working so does the Email address is invalid.I want my money back