VPAID validation rules

These rules cover VPAID usage in VAST documents: <MediaFile apiFramework="VPAID"> in linear ads and <IFrameResource apiFramework="VPAID"> in nonlinear ads. VPAID was deprecated by the IAB Tech Lab in 2019. See the VPAID explained page for background, and SIMID rules for the migration target.

There are 11 rules across 5 categories. Click any rule for the full explanation, spec reference, and a before/after code example.

Detection

VPAID-mediafile-detected

VPAID <MediaFile> detected: VPAID is deprecated by IAB Tech Lab

VPAID-iframeresource-detected

VPAID <IFrameResource> detected in NonLinear creative

Attributes

VPAID-type-invalid

VPAID <MediaFile> type must be application/javascript or application/x-javascript

VPAID-apiframework-casing

apiFramework value is not the canonical "VPAID" (wrong case)

VPAID-width-height-missing

VPAID <MediaFile> missing width or height attribute

Security

VPAID-url-not-https

VPAID script URL must be HTTPS

VPAID-ssai-incompatible

VPAID is incompatible with SSAI (server-side ad insertion)

Compatibility

VPAID-ctv-blocked

VPAID is blocked on most CTV and streaming platforms

VPAID-no-video-fallback

No MP4/video fallback alongside VPAID <MediaFile>

Migration

VPAID-simid-type-mismatch

SIMID <InteractiveCreativeFile> has VPAID-style type (application/javascript)

VPAID-and-simid-both-present

Both VPAID and SIMID creatives present in the same <MediaFiles>

Check your VAST tag for VPAID issues and migration errors.Validate a tag →