Do I, as a Merchant, have to use the Settle app? Daniel Doderlein 18 March 2020 11:52 Updated Follow No, you can use the Business Portal to view transaction details. However we recommend that you familiarize yourself with the app, so why not try it? Related articles What should I do if a customer wants to pay with Settle for the first time? Contact information Comments 0 comments Please sign in to leave a comment.