Open RTB Bid Response Specifications

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

Bid Response Object

Attribute	Required?	Descripción
id	Yes	ID of the bid request (string)
seatbid	Yes	Collection of bids made by the bidder on behalf of a specific seat.

Attribute	Required?	Descripción
bid	Yes	ID of the impression object to which this bid applies (string)

Attribute	Required?	Descripción
id	Yes	ID for the bid object chosen by the bidder (string)
impid	Yes	ID of the impression object to which this bid applies (string)
price	Yes	Bid price in CPM or CPC (float)
adm	Yes	ExoClick XML/JSON Ad Markup (string)
nurl	Yes	Win notification URL
cid	No	Campaign ID to assist with ad quality checking (string)
crid	Recommended	Creative ID to assist with ad quality checking (string)
iurl	Recommended	URL of creative
ext	No	ExoClick specific extension (object)

Note:The nURL must be notified in order to ensure campaign capping and avoid getting the same response every time.

Attribute	Required?	Descripción
btype	Recommended	Pricing Model. Values: 1 = CPM, 2 = CPC. Default = 1 (int). Note*: When response is for an Email Clicks zone request, 1 = Smart CPC.

Note: Only Push Notification and Native ad formats may bid with the CPC pricing model.

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.

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