BidResponse.ext

Bidder-specific extensions to the response. The spec defines nothing inside it, so its contents follow whatever the bidder and exchange agreed.

CurrentobjectOptionalSince 2.0

Field facts

Path
ext
Object
BidResponse
Type
object
Requirement
Optional
Added
OpenRTB 2.0
Spec section
4.2.1

Example

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

{
  "ext": {}
}

Version history

Added in OpenRTB 2.0, and present in the latest snapshot. The table shows how each version's spec text types the field.

VersionsType in the specRequiredDeprecated
2.0 to 2.2objectNoNo
2.3 to 2.6-202606objectNoNo

Other BidResponse fields

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