Bid.cid
The bidder's campaign ID. It names the set of creatives that Bid.iurl represents and helps exchanges with ad quality review.
Field facts
- Path
seatbid.bid.cid- Object
- Bid
- Type
- string
- Requirement
- Optional
- Added
- OpenRTB 2.0
- Spec section
- 4.2.3
How it is used
Exchanges can use it to block a whole campaign after a publisher complaint. Keep it stable for the life of the campaign.
Example
Where the field sits in a payload, with everything else left out:
{
"seatbid": [
{
"bid": [
{
"cid": "cmp-2026-114"
}
]
}
]
}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 | string wit | No | No |
| 2.1 to 2.2 | string | No | No |
| 2.3 to 2.4 | string | No | No |
| 2.5 | string | No | No |
| 2.6-202210 to 2.6-202606 | string | No | No |
Related fields
Other Bid fields
adidadmadomainapiapisattrbundleburlcatcattaxcriddealiddurexpexthhratioidimpidiurllangblanguagelurlmtypenurlpriceprotocolqagmediaratingslotinpodtacticwwratio
For a walkthrough of the whole object, read Bid response anatomy.