Data.id

The exchange's identifier for the data provider, as a string. The exchange defines these IDs and should publish them to buyers.

CurrentstringOptionalSince 2.0

Field facts

Path: user.data.id, app.content.data.id, dooh.content.data.id, site.content.data.id
Object: Data
Type: string
Requirement: Optional
Added: OpenRTB 2.0
Spec section: 3.2.21

Buyers key segment lookups on the provider, so keep each provider's id stable across requests.

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

{
  "id": "req-1",
  "user": {
    "data": [
      {
        "id": "dp-17"
      }
    ]
  }
}

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	string	No	No
2.3 to 2.3.1	string	No	No
2.4	string	No	No
2.5 to 2.6-202606	string	No	No