Innovid legacy state trackers validate their recognized path fields.

The official Tag Assistant recognizes a five-part state tracker on the Innovid servedby host. Numeric tuple values and the impression identifier receive template checks.

The source does not define a server rejection schema or complete event vocabulary. Session correctness requires surrounding capture context.

Apply the contracts within their published source scope.

The source does not define a server rejection schema or complete event vocabulary. Session correctness requires surrounding capture context.

What this pack matches

Hosts: servedby.innovid.com
Paths: /state/
Vendor docs: help.innovid.com/hc/en-us/articles/28042598512284-Innovid-Tag-Assistant-User-Guide

Rules

Codes are stable. A finding in CI, MCP, or the playground lands on the same id.

Field	Required	What it checks	Rule ids	Source
`placement_id`	recommended	Official diagnostic recognizer uses a decimal-digit group for this tuple position. Completeness advice only.	`vendor.innovid-legacy-state.param.placement_id.missing` `vendor.innovid-legacy-state.param.placement_id.empty` `vendor.innovid-legacy-state.param.placement_id.invalid`	docs
`creative_id`	recommended	Official diagnostic recognizer uses a decimal-digit group for this tuple position. Completeness advice only.	`vendor.innovid-legacy-state.param.creative_id.missing` `vendor.innovid-legacy-state.param.creative_id.empty` `vendor.innovid-legacy-state.param.creative_id.invalid`	docs
`version_id`	recommended	Official diagnostic recognizer uses a decimal-digit group for this tuple position. Completeness advice only.	`vendor.innovid-legacy-state.param.version_id.missing` `vendor.innovid-legacy-state.param.version_id.empty` `vendor.innovid-legacy-state.param.version_id.invalid`	docs
`event_id`	recommended	Official diagnostic recognizer uses a decimal-digit group for this tuple position. Completeness advice only.	`vendor.innovid-legacy-state.param.event_id.missing` `vendor.innovid-legacy-state.param.event_id.empty` `vendor.innovid-legacy-state.param.event_id.invalid`	docs
`impression_id`	recommended	Official recognizer retains the fifth tuple member as an opaque impression ID.	`vendor.innovid-legacy-state.param.impression_id.missing` `vendor.innovid-legacy-state.param.impression_id.empty`	docs

Validate a payload

pixellint validate url "$ARTIFACT" --rulepack vendor/innovid-legacy-state

Or paste it into the playground. Same engine, in the browser, nothing sent anywhere.

cargo install pixellint · npm install pixellint