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Authorize.net Support Page

Listed below, you will find documentation for the various Authorize.net integration methods.  Please review this documentation prior to calling Authorize.net Support.

Authorize.net Support can be reached toll free: 877.447.3938 (6am-6pm PST)

Authorize.Net offers several methods for connecting Web sites and point-of-sale (POS) systems to the payment gateway for submitting transactions. Web merchants can choose the method that is right for them, according to their customization requirements. Retail and mobile merchants integrate to the payment gateway via third-party hardware and software solutions that have been certified to Authorize.Net’s security and performance standards.

Web Merchants

Advanced Integration Method (AIM) Implementation Guide
Authorize.Net recommends Web merchants implement AIM, a highly secure, merchant-initiated server-to-server connection for submitting transactions to the payment gateway. AIM provides merchants with a high degree of control over each phase of the customer’s online transaction experience, including the payment form and receipt page. View this guide (PDF)


Simple Integration Method (SIM) Implementation Guide

The Simple Integration Method (SIM) is ideal for Web merchants with basic customization needs. The Authorize.Net Payment Gateway can handle all the steps in the secure transaction process — payment data collection, data submission and the response to the customer — while keeping Authorize.Net virtually transparent. View this guide (PDF).


Certified Shopping Carts

Choosing an Authorize.Net certified shopping cart to connect to the payment gateway can be an ideal solution for merchants with minimal Web development resources or capabilities. Shopping carts are Internet companies that provide payment form solutions for merchant Web sites. See our Certified Shopping Cart Directory.


Mail Order/Telephone Order Merchants

MOTO merchants can submit transactions by logging into the Authorize.Net Merchant Interface and keying information into our Virtual Terminal, or by using our Batch Upload tool.