Payment Integration Authorize.Net Estimated reading: 1 minute 252 views Log into the Merchant Interface.Click Account from the main toolbar.Click Settings in the main left-side menu.Click API Credentials & Keys.Select New Transaction Key.Click Submit to continue.Request and enter the PIN for verification.Your new Transaction Key is displayed.If the Disable Old Transaction Key Immediately box is not checked, the old Transaction Key will automatically expire in 24 hours. When the box is checked, the Transaction Key expires immediately.Go to Admin Panel -> Payments & Ads -> Payment Configuration, find Authorize.net and edit the following options:Enable Authorize.net Payment Method by clicking on the toggle.Authorize.net Mode – Choose Live (In case your app is in Live mode).Authorize.Net API LOGIN ID – Your API Login ID.Authorize.Net TRANSACTION KEY – TRANSACTION KEY you copied in the previous chapter.