More than 3 million U.S. consumers pay for utilities, rent, club fees, and other bills every month through Doxo, which links to more than 45,000 billers. Consumers can pay using a credit card, a debit card, or a bank deposit account. Privately held Doxo reaches billers through Mastercard Remote Payment and Presentment Service and the automated clearinghouse. The average household income of a Doxo customer is $58,000, only $1,000 below the national average. Some billers have Doxo as a payment option at their websites. Consumers also find Doxo when they search for an online bill payment optio...