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Which CIM API should I be using

I am new to and would like some advice on the best API to use for my application.  I need to post transactions from a Windows 7 Professional computer.  The customers purchase on account during the month and at the end of the month I would like to charge their credit card.  The customer numbers on my system wil be the same as those being stored in the CIM module. I will be usine PHP to communicate with  I will need to send the customer id along with payment information to to make the credit card payment and receive the authorizeation back. This transaction would be initiated from a windows server, not a website.  Any suggestions as to which API would be the best fit would be greatly appreciated.

Thanks in advance for the help.


Regular CIM should work fine. Since you already have their credit card info on file, you can't use hosted CIM to initiate the profiles. I suggest downloading the PHP SDK, looking in the doc folder for a file called CIM.markdown - it'll contain most of the code samples you'll need.