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How to Add a User to Your NMI Payment Gateway

How to add and manage user accounts in the NMI payment gateway, including assigning permissions and sending login invites.

Updated over 3 months ago

Overview

NMI allows you to create multiple user accounts so team members can securely access transactions, reporting, and refunds without sharing login credentials. Only users with administrative permissions can add or manage users.


Step 1: Log in to Your NMI Dashboard

Log in using your Primary or Administrative NMI user account.
Only users with access to administrative settings can add new users.


Step 2: Navigate to User Accounts

From the left navigation menu:

  1. Click Options

  2. Select Settings

  3. Click User Accounts

This is where all existing NMI users are managed.


Step 3: Add a New User

  1. Click Add New User

  2. Enter the user’s information:

    • First name

    • Last name

    • Email address

    • Username

    • Title (optional)


Step 4: Assign Permissions

Choose what the new user can access in the NMI dashboard. Common permissions include:

  • Viewing transactions and reports

  • Issuing refunds

  • Accessing the virtual terminal

  • Managing customer vault data

  • Administrative access

Only grant permissions that are necessary for the user’s role.


Step 5: Save and Send Invite

Click Create User to save.

NMI will automatically send the user an email with a link to set their password.
The password setup link is valid for 24 hours. If it expires, you can resend it from the User Accounts page.


Important Notes

  • The Primary user cannot be deleted.

  • Usernames must be unique within NMI.

  • If a user leaves your organization, their access should be removed immediately for security purposes.


Pro Tip

If a team member only needs to process refunds or view transactions, you can limit their permissions without giving full administrative access.

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