Bid request

A request sent from a supply-side platform (SSP) or ad exchange to a bidder (part of a DSP).

The request contains various pieces of information about the context of the ad (page content, URL, etc.) and the user (e.g. cookie data).

Based on the data in the bid request, the bidder can match it against the advertiser’s campaign criteria and decide whether or not to bid on the impression.


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