Asset files contain information needed by creatives.

Please refer to Video Asset File Guide for more information about creating asset files for video creatives.

See request examples.

Asset file types

List of asset files and where they are used as well as parameters type and subtype:

type	subtype	Param where located content	Used in Creatives
`image`		`url`	Image, Video (End Card), Native
`html`		`url`	HTML, Video (End Card)
`video`	`upload`	`url`	Video (by using uploaded video file)
`video`	`vast_code`	`source`	Video (your own VAST code)
`video`	`vast_url`	`url`	Video (Vast code located at url)

Required fields for Image asset files

Image asset files can be used to create Image Create, as Video Creative End Card, Native Creative

HTML asset files can be used to create HTML Creative, Video End Card.

There are 3 kinds of Video asset files:

upload - Vast XML is generated based on the uploaded video file. See File Upload.
vast_code - Asset file is created by given Vast XML code. Should contain MediaFile tag in Vast XML.
vast_url - Vast XML code is located at the given url. Should contain MediaFile tag in Vast XML.

width, height, duration, mime are required params to create correct MediaFile in Vast.

Video Asset files larger than 10MB will be compressed. You cannot use the asset file to create a creative until it has been compressed.