Can I use coupons or promo codes on orders in the MarketPlace? Some MarketPlace suppliers have promo codes that can be used in MarketPlace. However, this is rare. If you find a better price outside of the MarketPlace or on a MarketPlace supplier’s website, please submit a MarketPlace Price Adjustment Form. Updated on January 31, 2022 Tagged: AdjustmentCouponsFormMarketPlacePricePromo Was this article helpful? Yes No Cant’t find what you are looking for?Sends us a messageContact the KB Team