Upselling is the practice that allows you to invite your customers to purchase a higher-end product, an upgrade, or an additional item in order to make a more profitable sale. The 2Checkout Public API supports upsell campaigns through which you can recommend catalog products to your shoppers.
Use the UpSell object in order to recommend products to customers via SOAP API 6.0.
|UpsellingDisplayType||String||Set upsell settings display type. Can be overlay, interstitial.|