To manage users in your Authorize.net account:
From the Authorize.net platform, select Account > User Administration.
To add a user, select + Add User. To edit a user, select Edit User. To delete a user select Delete User.
When adding a user, you must select the type of user you would like to add. Definitions of user roles and permissions are available in the platform itself.
To further customize the new user account, clear the checked boxes next to the user permissions that should be disabled.
Additionally, in User Administration, you may:
Unlock a User Account
View or Edit a User Account
View or Edit an Account Contact
Change a User Role