Reference / Glossary / Infrastructure and standards
Bid Response
A buyer's reply to a bid request: the price offered, the creative to serve, and tracking URLs. Responses must arrive within the seller's timeout, usually 100 to 300 milliseconds, or the bid is discarded.
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Cite this entry:
Agency Echelon. "Bid Response." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/bid-response/