Metric.ext

Exchange-specific extensions for this metric. The spec defines nothing inside it, so its contents depend entirely on the exchange's own documentation.

CurrentobjectOptionalSince 2.5

Field facts

Path: imp.metric.ext
Object: Metric
Type: object
Requirement: Optional
Added: OpenRTB 2.5
Spec section: 3.2.5

Example

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

{
  "id": "req-1",
  "imp": [
    {
      "metric": [
        {
          "ext": {}
        }
      ]
    }
  ]
}

Version history

Added in OpenRTB 2.5, 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
2.5 to 2.6-202606	object	No	No

Other Metric fields

type
value
vendor