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Home > Merchant Resources > Business Resources

Merchant Gateways

AuthorizeNet Gateway
The Authorize.Net Payment Gateway is available to merchants seven days a week, 24 hours a day. The payment gateway offers many features and options that can be tailored to specific merchant business models.
 
You may contact a support representative 6 AM to 6 PM PST, via e-mail support@authorize.net or call toll-free 877-447-3938.

Click here to log into the AuthorizeNet Gateway

USMS Gateway
Our USMS Payment Gateway enables you to authorize, settle, and manage credit card and electronic check payments.

Username
Password

Global Access Advantage Gateway
Global Payments' Global Access @dvantage (GA@) provides a direct connection to merchant transaction data. In addition to quick access to merchant data, GA@ allows you to research batch details and reports. For assistance, please contact the GA@ Help Desk 1-800-688-5378.

Click here to log into GAA Gateway

 
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U.S. Merchant Systems is a registered ISO/MSP for HSBC Bank USA, N.A. Buffalo, NY. Member FDIC.