Applying verification, contextual, or audience data inside the DSP before a bid is placed, so unsuitable impressions are never bought. Pre-bid segments from IAS, DoubleVerify, Peer39, and others are available in every major DSP and carry a CPM fee.
Related terms
Cite this entry:
Agency Echelon. "Pre-Bid." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/pre-bid/