UID§3.2.28 · Bid Request
This object contains a single user identifier provided as part of extended identifiers. The exchange should ensure that business agreements allow for the sending of this data.
| Attribute | Type | Description |
|---|---|---|
| id | string | The identifier for the user. |
| atype | integer | Type of user agent the ID is from. It is highly recommended to set this, as many DSPs separate app-native IDs from browser-based IDs and require a type value for ID resolution. Refer to List: Agent Types in AdCOM 1.0Enum Agent Types · 4 values1An ID which is tied to a specific web browser or device (cookie-based, probabilistic, or other). 2In-app impressions, which will typically contain a type of device ID (or rather, the privacy-compliant versions of device IDs). 3A person-based ID, i.e., that is the same across devices. 500+Vendor-specific codes. |
| ext | object | Placeholder for vendor specific extensions to this object. |
Field descriptions are published in the official IAB Tech Lab OpenRTB 2.6 spec (CC-BY 3.0) · enumeration values sourced from AdCOM 1.0 · first-draft proofreading