Asset
A media asset (image, file, video, or audio) attached to content
AssetFields
Original aspect ratio
Asset category (e.g. post, post_description, avatar, header)
MIME content type
Human-readable file size
Sized image URL (for image assets)
Non-description image on a post (has metadata is_main_image: true). Used to identify gallery/carousel images.
Large-sized image URL (comment images)
Original upload filename
Small-sized image URL (comment images)
Artwork hanging off the asset itself, such as the cover a Host attaches to native audio. Null when the asset has no cover, so a client can tell absence from a real image.
Primary display URL