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SIMID-1.0-simid-apiframework-case

SIMID-1.0-simid-apiframework-case

apiFramework must be exactly "SIMID" (case-sensitive per SIMID §5)

WarningLinearIAB SIMID 1.0 §5

Short answer

SIMID §5 requires apiFramework="SIMID" exactly. Near-miss values (simid, Simid, trailing space) are ignored by spec-compliant players. vastlint still runs the type and URL checks on those near-misses so the rest of the envelope is not skipped.

Why this matters in production

This is a compatibility warning. The creative may load in one player and behave inconsistently in another, especially across web and CTV implementations. Linear SIMID issues affect the handshake between the primary video creative and the interactive layer. When these break, the ad often falls back to plain video or fails interaction entirely.

SIMID §5 requires apiFramework="SIMID" exactly. Near-miss values (simid, Simid, trailing space) are ignored by spec-compliant players. vastlint still runs the type and URL checks on those near-misses so the rest of the envelope is not skipped.

How to fix

Set apiFramework="SIMID" with that exact casing. vastlint fix rewrites the common near-misses.

Broader troubleshooting

If this rule is one part of a bigger SIMID delivery issue, start with the SIMID troubleshooting guide for a checklist covering iframe URLs, HTTPS, fallback media, and player support. If the XML is already clean, test the live tag: a JS file, frame headers, or a missing createSession will not show up in the catalog.

Invalid

<InteractiveCreativeFile type="text/html" apiFramework="simid">
  <![CDATA[https://example.com/creative.html]]>
</InteractiveCreativeFile>

Valid

<InteractiveCreativeFile type="text/html" apiFramework="SIMID">
  <![CDATA[https://example.com/creative.html]]>
</InteractiveCreativeFile>
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Other Linear rules

SIMID-1.0-simid-type-required<InteractiveCreativeFile apiFramework="SIMID"> must have type="text/html"SIMID-1.0-simid-url-empty<InteractiveCreativeFile apiFramework="SIMID"> must contain a non-empty URLSIMID-1.0-simid-url-https<InteractiveCreativeFile apiFramework="SIMID"> URL must use HTTPSSIMID-1.0-simid-url-data-htmlSIMID data: URI must declare text/htmlSIMID-1.0-simid-variable-duration-valuevariableDuration must be "true" when present on a SIMID InteractiveCreativeFileSIMID-1.0-simid-mediafile-requiredLinear SIMID ad must include a video/audio <MediaFile> alongside the interactive creativeSIMID-1.0-simid-interactive-startLinear SIMID creative on VAST 4.2+ should include an interactiveStart tracking eventSIMID-1.0-simid-ssai-no-clientLinear SIMID creative with a Mezzanine but no progressive MediaFile cannot run in SSAI
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