Advertising Guide
				VAST tag technical specs

- VAST tags are supported for devices running iOS 12 and later. 
- Ad formats are supported for Workbench and Google Ad Manager: 
- Only VAST 2.0 and 3.0 tags containing linear ads and skippable linear ads are supported. 
- Progressive loading only. 
- Apple IPs (17.*) Allow Listed or not blocked. 
- VPAID, VAST 1.0, VAST 4.0 tags aren’t supported. 
- VAST tags aren’t supported for Google Campaign Manager on Apple News. 
- HTTPS protocol is required. 
- Macros embedded within ad or VAST tags aren’t supported and should be removed from tags for use on Apple News. Macros usually begin with a % sign. These will not be expanded and may cause the tags to function incorrectly. 
Supported vendors (VAST)
- Celtra 
- Dianomi 
- Flashtalking 
- Innovid 
- Kargo 
- Sizmek 
- Teads 
- Transmit.Live 
- Unruly