Site.publisher

A Publisher object for the entity that sells the site's inventory to the exchange. Since 2.6 that entity is defined by who gets paid, so it can be an intermediary rather than the site owner.

CurrentobjectOptionalSince 2.0

Field facts

Path: site.publisher
Object: Site
Type: object
Requirement: Optional
Added: OpenRTB 2.0
Spec section: 3.2.13

How it is used

Publisher.id should match a seller_id in the exchange's sellers.json, which is how buyers connect the request to a named seller and check it against Source.schain.

Example

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

{
  "id": "req-1",
  "site": {
    "publisher": {
      "id": "pub-8953",
      "name": "Example City Media",
      "domain": "citymedia.example"
    }
  }
}

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.

Versions	Type in the spec	Required	Deprecated
2.0 to 2.2	object	No	No
2.3 to 2.3.1	object	No	No
2.4	object	No	No
2.5 to 2.6-202606	object	No	No