Content.langb

The content's language as an IETF BCP 47 tag, which can mark regional and script variants such as es-MX or zh-Hant. Added in OpenRTB 2.6; send this or Content.language, not both.

CurrentstringOptionalSince 2.6-202204

Field facts

Path: app.content.langb, dooh.content.langb, site.content.langb
Object: Content
Type: string
Requirement: Optional
Added: OpenRTB 2.6-202204
Spec section: 3.2.16

Example

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

{
  "id": "req-1",
  "app": {
    "content": {
      "langb": "es-MX"
    }
  }
}

Common mistakes

Sending both language and langb. 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	No	No