Thank you for ordering your NMI usb credit card swiper.  Below you will find simple instructions on how to operate the device.

  • Plug the device into your computer through an available USB port. The light on the swiper will turn green and will be ready.
  • Log into your NMI gateway www.nmi.com. If you have issues logging into your gateway please contact our help desk at 1-801-623-4000.
  • Once logged in select the “Credit Cards” menu to the left and choose the “Sales” option to run a sale.




  • Swipe the credit card through the usb swiper with the mag strip on the back facing outwards.
  • The available credit card information will auto populate in the available fields.  Continue filling out any additional fields such as the customers name, dollar amount, CVV/CID, etc.
  • Scroll to the bottom of the screen and select “Charge”

If you have any issues or would like assistance please contact us during our business hours of Monday – Friday from 7:00 am – 6:00 pm (MST) at 1-801-623-4000.