Channel.id

An identifier the publisher assigns to the channel. The spec warns that it may not be unique across supply sources.

CurrentstringOptionalSince 2.6-202204

Field facts

Path: app.content.channel.id, dooh.content.channel.id, site.content.channel.id
Object: Channel
Type: string
Requirement: Optional
Added: OpenRTB 2.6-202204
Spec section: 3.2.24

Useful for reporting within one seller. Across sellers, match on Channel.domain or the channel name.

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

{
  "id": "req-1",
  "app": {
    "content": {
      "channel": {
        "id": "ch-12"
      }
    }
  }
}

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