Outbrain DSP, formerly known as Zemanta, is a privately owned, Slovenia-based demand-side platform (DSP) founded in 2007 and acquired by Outbrain in 2017. Employing approximately 30 people, it provides a multi-channel platform for advertisers to manage digital advertising campaigns across display, video, and native formats. The platform uses artificial intelligence and automation to optimize ad placement and creative, prioritizing user engagement and performance metrics over simple impression delivery. Outbrain DSP serves a diverse clientele, including large advertising agencies.