Authorize.Net Payment GatewayProcessing transactions reliably and securely is essential to your business. Authorize.Net, a leading payment gateway since 1996, provides solutions you can trust. More than 350,000 merchants trust Authorize.Net to process transactions, assist in fraud prevention and help their businesses grow.Payment ProcessingAccept a variety of payment types, including all major credit cards, eCheck.Net (electronic checks from bank accounts), gift cards and signature debit cards. Authorize.Net supports multi-channel payments — online, mail order/telephone order, retail and mobile — and subscription billing. You can accept international transactions processed in U.S. dollars.