Merchant Support

If you 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)

Help Files for Mobile & Retail

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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
  • Email

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 Sales Inquiries

Merchants that need a payment gateway account can contact us for assistance.

New Reseller Inquiries

For Independent Sales Organizations (ISOs), Merchant Service Providers (MSPs) and other financial institutions that would like to become Authorize.Net resellers.

Partner & Developer Inquiries

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 Inquiries

For feedback regarding design or content found on www.authorize.net, developer.authorize.net, reseller.authorize.net or welcome.authorize.net.

Corporate Offices

Authorize.Net (Utah)

P.O. Box 947
American Fork, UT 84003-0947
Tel: 801.492.6450
Fax: 801.492.6489

Authorize.Net (Washington)

P.O. Box 947
American Fork, UT 84003-0947
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