UserAgent.bitness
The device's bitness, as a string such as "64", taken from the Sec-CH-UA-Bitness hint.
Field facts
- Path
device.sua.bitness- Object
- UserAgent
- Type
- string
- Requirement
- Optional
- Added
- OpenRTB 2.6-202204
- Spec section
- 3.2.29
How it is used
A high-entropy hint, usually read together with architecture.
Example
Where the field sits in a payload, with everything else left out:
{
"id": "req-1",
"device": {
"sua": {
"bitness": "64"
}
}
}Common mistakes
- Sending a number (64) instead of the string "64".
Version history
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 |
Related fields
Other UserAgent fields
For a walkthrough of the whole object, read User-agent client hints and sua.