How to Add a Merchant Account Training April 05, 2017 13:04 Follow Go to Admin > Configuration. Click Merchant Accounts. Click Add Merchant Account. Fill out the form completely and accurately. When finished, click Submit. Related articles Merchant Account Setup Hosting Infrastructure How to Process Refunds Setting Up Subscription Payments in Authorize.net How to View a Credit Card Transaction Report Comments 0 comments Please sign in to leave a comment.