Using Priority's Free MX Express Mobile Processing App as a Backup


If your merchants need to be out and about while transacting or are looking for a powerful backup processing solution, MX Merchant offers a mobile Android/iOS app built to suit their needs. MX Express is an easy to use application that allows merchants to accept mobile card payments (with or without card reader) with optional gratuity.

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Setting Up Your Merchants for MX Express

Creating and MX Merchant Account
Before your merchants can log into MX Express, they will need to create an MX Merchant Account by following the steps below.

  1. Have your merchant navigate to

  2. Click the "Sign In" link in the top right of the screen

  3. Click the "Create New User" link the right toolbar

  4. Your merchant will need to enter an email Priority Payments has on file. Once they click "Verify" They will receive an email to create a password and complete the setup. 

Logging In and Using MX Express
Once your merchant's account is setup, they can use the same account created for MX Merchant  to log into MX Express by following the steps below:

  1. Make sure the merchant has downloaded the MX Express app from the Apple or Android store

  2. Have them log in using the same credentials when creating their MX Merchant account

  3. Once they agree to the Terms of Service, they are ready to process

  4. For instructions on how to use the app, click on the video below (make sure you have selected to Display Images for This Email) or visit this link.

Questions? Please contact (877) 515-6464 or email

Want To Promote MX Express to Your Merchants?

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