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Open RTB 2.5 Bid Response

The response for a bid request will have the following structure:

Bid Response Object

AttributeDescription
idID of the bid request (string)
seatbidCollection of bids made by the bidder on behalf of a specific seat.

seatbid

AttributeDescription
bidID of the impression object to which this bid applies (string)

seatbid.bid

AttributeDescription
idID for the bid object chosen by the bidder (string)
impidID of the impression object to which this bid applies (string)
priceBid price in CPM or CPC (float)
admExoClick XML Ad Markup (string)
nurlWin notification URL (string)
cidCampaign ID to assist with ad quality checking (string)
cridCreative ID to assist with ad quality checking (string)
adidAd ID to assist with ad quality checking (same as crid) (string)
adomainAdvertiser domain, or exchange domain (array of strings)
catIAB content categories of the creative (string array)
wWidth of creative (integer)
hHeight of creative (integer)
extExoClick specific extension (object)

seatbid.bid.ext

AttributeDescription
btypePricing Model. Values: 1 = CPM, 2 = CPC. Default = 1 (int).

No Bid Response

To answer a bid request without making an actual bid, an HTTP response code 204 "No Content" will be sent.  

Win Notification

When the parameter Bid Response Object -> Seat Bid Object -> Bid Object -> nurl is in the bid response, a GET request must be performed to such URL.

Examples

You can find detailed examples of the Responses you can receive in the example page.