PubMatic Inc. is a cloud-based digital advertising technology company that operates a sell-side platform (SSP) enabling publishers to automate and optimize the sale of their ad inventory across display, mobile, video, and connected TV (CTV) channels. Its core offerings include real-time bidding infrastructure, header bidding solutions like OpenWrap, data analytics tools, and AI-powered features such as AgenticOS, AI Insights, and agentic workflows that provide real-time benchmarking, demand interpretation, and autonomous campaign optimization. PubMatic facilitates seamless programmatic auctions, transparent reporting, and premium inventory access for buyers including demand-side platforms, advertisers, agencies, and trading desks, helping publishers maximize yield while enhancing buyer experiences. The platform supports omnichannel media, with significant focus on high-growth areas like CTV, mobile apps, interactive ad formats, and pause ads, partnering with over 90% of top streaming platforms and integrating NVIDIA-accelerated computing. Geographically, PubMatic generates the majority of its revenue from the United States, followed by EMEA and APAC. Founded in 2006 and headquartered in Redwood City, California, PubMatic plays a key role in the open internet ecosystem by driving efficiency and innovation in digital ad monetization.