Contact Us

Please use the following resources to find answers to your questions.

Merchant Support

If you still need assistance, our support representatives are available to assist you via e-mail, online chat or phone at 1.877.447.3938.

Support Hours: Monday through Friday, 5 AM to 5 PM Pacific time (closed major holidays)

Reseller Support

Resellers can contact Authorize.Net Reseller Support for help with technical, billing and account questions.

Support Hours: Monday through Friday, 6 AM to 5 PM Pacific time (closed major holidays)

  • Toll Free: 1.888.437.0481
  • Online Chat: Log into the Reseller Interface and click on Live Help
  • E-mail

Affiliate Support

Affiliates can contact Authorize.Net Affiliate Support for help with technical, integration and account questions.

Support Hours: Monday through Friday, 6 AM to 5 PM Pacific time (closed major holidays)

  • Toll Free: 1.866.682.4131

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

Authorize.Net (Utah)
P.O. Box 8999
San Francisco, CA 94128-8999
Tel: 801.492.6450
Fax: 801.492.6489

Authorize.Net (Washington)
P.O. Box 8999
San Francisco, CA 94128-8999
Tel: 425.586.6000
Fax: 425.586.6005

Authorize.Net (United Kingdom)
P.O. Box 3073
Reading
RG1 9YB
United Kingdom

CyberSource Corporation HQ
P.O. Box 8999
San Francisco, CA 94128-8999
Tel: 650.432.7350
Fax: 650.286.6641