Bid Object

Attribute	Type	Description	Example
id	string; required	Bidder generated bid ID to assist with logging/tracking.	"1fwdsg1gdsgwfdb"
impid	string; required	ID of the Imp object in the related bid request	"23fsdfsdg-12312fds-44f4-12dfsfa-824f7221d116"
price	float; required	Bid price expressed as CPM although the actual transaction is for a unit impression only. Note that while the type indicates float, integer math is highly recommended when handling currencies (e.g., BigDecimal in Java).	1.15
adid	string	ID of a preloaded ad to be served if the bid wins.	"1378ygfvn928ouyghf19oiuhg03r"
nurl	string	Win notice URL called by the exchange if the bid wins; optional means of serving ad markup.	"http://example.com/win/1378ygfvn928ouyghf19oiuhg03r?won=${AUCTION_PRICE}&impid={AUCTION_IMP_ID}&auction=${AUCTION_ID}&bidid=${AUCTON_BID_ID}"
lurl	string	Loss notice URL called by the exchange when a bid is known to have been lost. ${AUCTION_PRICE} macro is supported.	"http://example.com/loss/1378ygfvn928ouyghf19oiuhg03r?final_price=${AUCTION_PRICE}&reason=${AUCTION_LOSS}"
adm	string	Optional means of conveying ad markup in case the bid wins; supersedes the win notice if markup is included in both.	"AD"
adomain	string array, required	Advertiser domain for block list checking. This can be an array of for the case of rotating creatives. Exchanges can mandate that only one domain is allowed.	["test-domain.com"]
bundle	string	Bundle or package name of the app being advertised, if applicable; intended to be a unique ID across exchanges.	android: "com.test.app" iOS: "8120398"
iurl	string	URL without cache-busting to an image that is representative of the content of the campaign for ad quality/safety checking.	"http://example.com/i/1378ygfvn928ouyghf19oiuhg03r?won="
cid	string	Campaign ID to assist with ad quality checking; the collection of creatives for which iurl should be representative.	"12341"
crid	string	Creative ID to assist with ad quality checking.	"231"
cat	string array	IAB content categories of the creative.	["IAB3-1"]
attr	integer array	Set of attributes describing the creative.	[1,2,13]
h	integer	Height of the creative in pixels.	480
w	integer	Width of the creative in pixels.	320
ext	object	Placeholder for bidder-specific extensions to OpenRTB. BidMachine can receive only "imptrackers"here.	`{"imptrackers": ["https://tracker1.com/ad?price=${AUCTION_PRICE}&cur=${AUCTION_CURRENCY}",` `"https://tracker1.com/ad?avid=[ADVERTISER_ID]&pricePaid=[PRICE_PAID]&priceBid=[BID_PRICE]"]}`
burl	string	Billing notice URL called by the exchange when a winning bid becomes billable (When impressions occures).	"http://example.com/bill_imp/1378ygfvn928ouyghf19oiuhg03r?won=${AUCTION_PRICE}&impid={AUCTION_IMP_ID}&auction=${AUCTION_ID}&bidid=${AUCTON_BID_ID}"