Online marketplaces have digitally transformed the way consumers discover and purchase goods, make payments, and get merchandise delivered. And sellers can reduce costs, attract new customers, eliminate eCommerce overhead (securing domains, hosting, inventory systems, fulfillment systems, etc.) and leave the heavy lifting to pre-built marketplace software. Developers looking for Marketplace APIs are in the right place. To receive updates about Marketplace APIs, click the TRACK THIS CATEGORY button below. And, if you want updates from other ProgrammableWeb categories, be sure to click the track button on those category pages as well.