Billing team please help

I have a tiny db but somehow ended up with a D8 instance for June and a $351.27 bill.  I'm trying to contact the billing team about it but there is no link in the GWallet receipt as per the help ("For billing questions, click on the "Contact Google" link that appears with your Google APIs order on Google Checkout. This will open a form that you can use to send questions to the billing team.").

Can anyone at Google help get me in touch with them?