Contact Us

Customer Support

• Knowledge Base – Answers to the most common questions.
• Merchant Interface Demos – Tutorials about managing your account.
• Developer FAQs – Answers to technical questions.
• Help Files for Web and MOTO merchants – Comprehensive, searchable information.
• Help Files for Retail and Mobile merchants – Comprehensive, searchable information.

If you still need assistance, our support representatives are available to assist you via e-mail, online chat or phone at 877-447-3938.

Support Hours: Monday through Friday, 6 AM to 6 PM Pacific time (closed January 1 and December 25).

Reseller Support

• Toll Free: 888-437-0481
• Online Chat: Log into the Reseller Interface and click on Live Help
• E-mail

Other Inquiries

• Merchant Inquiry Form - Merchants that need a payment gateway account can contact us for assistance.
• Reseller Inquiry Form - For Independent Sales Organizations (ISOs), Merchant Service Providers (MSPs) and other financial institutions that would like to become Authorize.Net resellers.
• Partner and Developer Inquiry Form - For companies with products or services that require an Internet Protocol (IP) payment gateway—Shopping Cart Developers, Point-of-Sale Systems Developers, Web Developers, Web Hosting Companies, Internet Service Providers (ISP), Systems Integrators and Value Added Resellers, Companies with Merchant Customers—and wish to explore business development opportunities.
• Webmaster - For feedback about our Web site.

Corporate Offices

CyberSource Corporation HQ
1295 Charleston Rd.
Mountain View, CA 94043
Tel: 650-965-6000
Fax: 650-625-9145