Ryan,
Most CC authorizing services such as CyberCash or Authorize.net do this.
Use Authorize Only instead of Authorize-Capture options. This will find
out whether the funds are available. You can then turn around and void
the transaction immediately. Authorize net have a very good explanation
on how to do this. See
http://www.authorizenet.com/support/userguide/online/show.php3?pg=23
regards,
larry
--
Larry C. Lyons
ColdFusion/Web Developer
EBStor.com
8870 Rixlew Lane, Suite 201
Manassas, Virginia 20109-3795
tel: (703) 393-7930 x253
fax: (703) 393-2659
http://www.ebstor.com
http://www.pacel.com
email: [EMAIL PROTECTED]
Chaos, panic, and disorder - my work here is done.
--
Ryan wrote:
>
> Anyone ever heard of a credit card validation service (via the web)?
> I would like to be able to verify if a credit card is valid before
> passing the email along to billing.
>
> I know I can validate the NUMBER, using mod10, but I would like to
> pass some service the number, name on card, exp date, etc and see
> if its valid, and maybe even see if a purchase of $XX would go through.
>
> Thanks for any info.
>
> Ryan
>
>
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