Authorize.net Client Services

Client Services is available 24/7. You can reach us through online chat, submitting a support case, or via phone.

Starting an Online Chat

1. Sign into the Merchant Interface or the Partner Interface.
2. Select Start Chat from the bottom right of the screen.

Submitting a Support Case

1. Sign into the Merchant Interface or the Partner Interface.
2. Select Support Cases -> General Support Request.

Contacting Client Services via Phone

Merchant Support:

• US: 877.447.3938
• UK/Europe: +44 (0) 203 564 4844
• AUS: +61 1800 019 932

Partner Support:

• US: 888.437.0481
• UK/Europe: +44 (0) 203 564 5370

Affiliate Partner Support:

• US: 866.682.4131
• UK/Europe: +44 (0) 203 564 5370

New Merchants

Merchants that need a payment gateway account may contact Sales for assistance:

Email Inquiry

• US: 1.888.323.4289
• Canada: 1.877.580.2077
• International: +44 (0) 203 564 4843

New Partners

For Independent Sales Organizations (ISOs), Merchant Service Providers (MSPs) and other financial institutions that would like to become an Authorize.net partner, please contact Sales for assistance:

Email Inquiry

New Developers

For companies with products or services that require a payment gateway–shopping cart developers, point-of-sale systems developers, Web developers, Web hosting, Internet Service Providers (ISP) or any company with merchant customers–and wish to explore business development opportunities:

Developer Center Contact Form