Okay so I have a Prestashop store that currently uses the Authorize.net module. We have switched our payment gateway over to NMI(Network Merchants, Inc) and need to have this module modified to work with NMI's API.
I've talked to NMI and they have told me many customers just modify the existing authorize.net module to work with there gateway and they said it is fairly simple.
If you think you can handle this job, please send me a message and give me a quote. Thanks