Imp.qty

A Qty object stating how many impressions one play of the ad counts as, for screens seen by more than one person at once. Added in OpenRTB 2.6-202211, mainly for digital out-of-home.

CurrentobjectOptionalSince 2.6-202211

Field facts

Path: imp.qty
Object: Imp
Type: object
Requirement: Optional
Added: OpenRTB 2.6-202211
Spec section: 3.2.4

How it is used

The bid price stays a CPM, and the multiplier turns it into a cost per play: a 10.00 CPM bid on a play with a multiplier of 42 costs 0.42. The ${AUCTION_MULTIPLIER} macro lets notice URLs confirm the quantity actually won.

Example

Where the field sits in a payload, with everything else left out:

{
  "id": "req-1",
  "imp": [
    {
      "qty": {
        "multiplier": 42,
        "sourcetype": 1,
        "vendor": "geopath.org"
      }
    }
  ]
}

Version history

Added in OpenRTB 2.6-202211, and present in the latest snapshot. The table shows how each version's spec text types the field.

Versions	Type in the spec	Required	Deprecated
2.6-202211 to 2.6-202606	object	No	No

Versioned rules that name this field

openrtb.2.6-202211.imp_qty_bidrequest_dooh OpenRTB 2.6-202211 added Qty and DOOH support for digital out-of-home inventory.

Related fields

Other Imp fields

For a walkthrough of the whole object, read Bid request anatomy.