Requirements
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    The merchant must have a merchant bank account that allows Internet transactions. 
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    The merchant must have an e-commerce (Card Not Present) Authorize.Net Payment Gateway account. 
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    The merchant must have a valid Secure Sockets Layer (SSL) certificate and their Web site must be capable of initiating both client- and server-side SSL connections. 
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    The merchant must be able to store payment gateway account data securely (for example, API Login ID, or Transaction Key). 
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    The merchant must have one of the following module installed 
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    Action Form 03.08.74 
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    Action Grid 04.00.39 
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    DNN API Endpoint 01.02.15 
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    Sharp Scheduler 02.01.18 
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    InfoBox 01.01.22