Since 1996, Authorize.Net has been a leading provider of payment gateway services, managing the submission of payment transactions to the processing networks on behalf of merchant customers. On November 1, 2007, CyberSource Corporation acquired Authorize.Net. Collectively, the companies processed approximately 1.1 billion transactions in 2006, representing $65 billion of e-commerce.Authorize.

Above text was excerpted from: http://authorizenet.net/company/aboutus/