App.kwarray

Keywords about the app as an array of strings, the structured alternative to App.keywords. Added in OpenRTB 2.6; only one of the two may be present.

Currentstring arrayOptionalSince 2.6-202204

Field facts

Path: app.kwarray
Object: App
Type: string array
Requirement: Optional
Added: OpenRTB 2.6-202204
Spec section: 3.2.14

Example

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

{
  "id": "req-1",
  "app": {
    "kwarray": [
      "puzzle",
      "casual",
      "offline"
    ]
  }
}

Common mistakes

Sending kwarray alongside keywords. The validator reports the pair as mutually exclusive.

Version history

Added in OpenRTB 2.6-202204, 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
2.6-202204	Added in the first 2.6 release, published without a structured text archive; the 2.6-202210 republication is the first tagged text.
2.6-202210 to 2.6-202606	string array	No	No