Creative subtypes (audio and video) value 3 means VAST 3.0
VAST 3.0 inline documents, which introduced ad pods, skip offsets, and standard error codes.
When to send it
Send 3 when the player handles VAST 3.0 inline responses. VAST 3.0 introduced ad pods, the skip offset for skippable linear ads, industry icons, and a standard set of error codes, so it is still the working minimum for many web players.
Buyers that serve skippable creative, or that rely on VAST error codes for troubleshooting, look for 3. Its wrapper counterpart is 6. It is sometimes confused with 7 (VAST 4.0): a VAST 3.0 parser may read many 4.0 documents but will ignore 4.x additions such as the universal ad ID, so list 7 only if the player was tested with 4.0.
Example
{
"imp": [
{
"audio": {
"protocols": [
3
]
}
}
]
}Fields that carry it
Other values in creative subtypes (audio and video)
| Value | Name |
|---|---|
1 | VAST 1.0 |
2 | VAST 2.0 |
4 | VAST 1.0 Wrapper |
5 | VAST 2.0 Wrapper |
6 | VAST 3.0 Wrapper |
7 | VAST 4.0 |
8 | VAST 4.0 Wrapper |
9 | DAAST 1.0 |
10 | DAAST 1.0 Wrapper |
11 | VAST 4.1 |
12 | VAST 4.1 Wrapper |
13 | VAST 4.2 |
14 | VAST 4.2 Wrapper |
15 | VAST 4.3 |
16 | VAST 4.3 Wrapper |
The creative subtypes (audio and video) list page explains the whole list and its common mistakes.