A ProBiller charge on your credit card, debit card, or bank statement usually means a payment was processed through ProBiller for an online ecommerce partner. The descriptor may appear as ProBiller.com, MBI ProBiller, MBI-ProBiller.com, MBI-PROBILLER.COM/RK, ProBiller 855-232-9550, or a similar billing name. What Is the ProBiller Charge? ProBiller is an online payment and billing service… Continue reading ProBiller, MBI ProBiller, or ProBiller.com Charge on Credit Card Statement