SIMID validation rules

These rules cover the <InteractiveCreativeFile> element and related SIMID usage in VAST 4.x documents. SIMID (Secure Interactive Media Interface Definition) is the IAB Tech Lab standard that replaced VPAID for interactive video ad creatives. See the SIMID explained page for a full spec overview.

There are 10 rules across 5 categories. Click any rule for the full explanation, spec reference, and a before/after code example.

Attributes

SIMID-apiframework-missing

apiFramework attribute missing on <InteractiveCreativeFile>

SIMID-apiframework-casing

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

SIMID-type-missing

type attribute missing on <InteractiveCreativeFile>

SIMID-type-invalid

type attribute must be "text/html" for SIMID creatives

SIMID-variable-duration-value

variableDuration must be "true" or "false" if present

Security

SIMID-url-not-https

SIMID creative URL must be HTTPS

SIMID-url-empty

<InteractiveCreativeFile> URL is empty

Fallback

SIMID-video-fallback-missing

No <MediaFile> video fallback alongside SIMID creative

Placement

SIMID-nonlinear-placement

SIMID nonlinear creative not nested inside <NonLinearAds>

Compatibility

SIMID-vast-version

<InteractiveCreativeFile> requires VAST 4.0 or later

Validate the VAST XML wrapping your SIMID creative.Validate a tag →