IAB Tech Lab releases final Programmatic Auction Definitions to standardize digital ad auction vocabulary
By
Luis Rijo
Summary
IAB Tech Lab has released the final version of its Programmatic Auction Definitions document, a structured glossary and process primer developed through a multi-organization effort that began in 2025. The document aims to give all participants in the programmatic supply chain—from brand teams to sell-side engineers—a shared vocabulary and common understanding of how digital advertising auctions operate. The release follows a public comment period that concluded in late February 2026 and involved major names in advertising measurement and buying.
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IAB Tech Lab yesterday released the final version of its Programmatic Auction Definitions document, a structured glossary and process primer designed to give every participant in the programmatic supply chain - from brand teams to sell-side engineers - a common understanding of how digital advertising auctions work.
The release comes after a process that drew in some of the largest names in the advertising measurement and buying community.
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