Amazon Publisher Cloud

Amazon-backed clean room platform uniquely positioned at the intersection of retail data and publisher monetization, leveraging Amazon's first-party shopper signals as a key differentiator

Amazon Publisher Cloud (APC) is a data clean room and collaboration platform launched by Amazon Ads in 2023, designed specifically for publishers to leverage Amazon's vast first-party shopping and behavioral signals. By enabling privacy-safe data matching between publisher first-party data and Amazon's audience intelligence, APC allows publishers to create differentiated, high-value audience segments that can be activated programmatically across Amazon DSP and other demand channels. The platform is built on AWS Clean Rooms technology, ensuring data never leaves its secure environment while still enabling powerful overlap analysis and segment creation. APC addresses a critical industry challenge: as third-party cookies deprecate and signal loss accelerates, publishers need durable, privacy-compliant ways to demonstrate audience value to advertisers. By connecting publisher inventory with Amazon's purchase intent data — covering hundreds of millions of shoppers — APC enables publishers to build premium audience products that command higher CPMs and attract incremental advertiser spend. Early adopters have included major publishers like News Corp, Dotdash Meredith, and BuzzFeed, who use APC to create custom segments tied to real consumer purchase behavior. Within the AdTech ecosystem, Amazon Publisher Cloud represents Amazon's strategic move to position itself as an indispensable infrastructure layer for the open web, not just a walled garden. It competes with Google's Publisher Advertiser Identity Reconciliation (PAIR) and LiveRamp's clean room offerings, but differentiates through the unmatched depth of Amazon's retail and shopping data. The platform reinforces Amazon's broader advertising ambitions and strengthens its DSP by giving buyers access to uniquely enriched publisher inventory.