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Trying to setup SIM - HTTP 500 error

So we currently use a locally hosted form through First Data.


I am trying to convert it to Authorize.Net  and inital tries are generating an HTTP 500 Internal server error when trying to pass my form data to the payment form.


I am passing my Login ID but the piece I think I am missing it how to formulate the Fingerprint to be able to display the form. I see it discussed on page 28 of SIM developer guide but not sure how to pass that information to the web site.






Fingerprint hash issues wouldn't cause an HTTP 500 error.

Are you able to provide the data you're attempting to send, with any Transaction Keys, CC#s, expiration dates, and CVV data censored?

And are you positive you're sending it via HTTP POST?

"Move fast and break things," out. "Move carefully and fix what you break," in.
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