DataXu, the leading provider of programmatic marketing software, today announced the DataXu Validated Inventory Marketplace. The DataXu Validated Inventory Marketplace ensures advertisers are running on ad inventory whose source has been verified as authentic, eliminating exposure to counterfeit and diverted inventory from unauthorized middlemen. Comprised of real publishers and their authorized resellers, the DataXu Validated Inventory Marketplace is continuously monitored by best-in-class technology and is curated by DataXu media supply chain quality experts.