Take a look at Verisign PayFlow Pro and PayFlow Link...
>Hello All,
>
>I would like to get some feedback on what products VFP users are using for Credit Card Processing. I am looking for something that will integrate easily with VFP and will provide management reports or status of transactions and xfer of funds to/from banking accounts. I have seen ActiveX controls as well as HTTP interfaces on products on the web and can work with either.
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>Thanks in advance