Here is a free Network Merchants module that works with Prestashop versions 1.4x and, 1.5x, and 1.6. The module is based off of the Prestashop Authorize.net module which is in-use in thousands of stores worldwide.
Screenshots of Prestashop NMI Payment Module
This module will allow you to accept payments from the NMI payment gateway with your website
thirty bees all versions
To install this module, simply upload the module from the modules page in the back office of your PrestaShop installation. Once it is uploaded you will be able to install and configure the module.
We can only offer minimal support for our free modules. You are welcome to contact our support team at the link below if you run into any bugs with the module.