{"page":"/blog/log-level-data","modified":"2026-11-10","license":"https://creativecommons.org/licenses/by/4.0/","columns":["Record type","One row per","Key fields","Who can export it"],"rows":[["Request or bid","Ad request, or bid sent into an auction","Auction ID, seller, deal, floor, bid price, timeout","Publisher ad servers, SSPs, some DSPs"],["Impression (win)","Ad served or counted","Event time, auction ID, exchange, site or app, media cost, fees","All DSPs that offer LLD; ad servers"],["Click","Click on an ad","Event time, auction ID, click ID","DSPs, ad servers"],["Conversion or activity","Action on the advertiser's site or app","Activity ID, attributed impression or click, revenue","DSPs and ad servers with tags or pixels"],["Loss or no-bid","Bid that did not win, or request not bid on","Loss reason, minimum price to win","Rare; some SSPs and ad servers"]],"sourceUrls":[[],[],[],[],[]]}