Extreme Reach impression templates receive field advice.

Partial warning-only completeness advice for the exact cp-imp endpoint published by ART19. It compares common provisioned template slots, preserves empty and opaque values, and does not claim receiver-wide requiredness or coverage of duration, error, click, safety or skip callbacks.

What this pack matches

Hosts: beacons.extremereach.io
Paths: /cp-imp
Vendor docs: art19.zendesk.com/hc/en-us/articles/360056140072-Setting-Up-3rd-Party-Measurement-Extreme-Reach

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
`cid`	recommended	The published ART19 cp-imp template includes this provisioned campaign slot. Missing presence differs from that template. Identifier syntax, values and empty-slot receiver behavior remain open. Presence diagnostic severity: warning. Fix: Compare with the provisioned tag and the cited producer template. Other integrations can intentionally differ.	`vendor.extreme-reach-cp-imp.param.cid.missing`	docs
`creative_id`	recommended	The published ART19 cp-imp template includes this provisioned creative slot. Missing presence differs from that template. Identifier syntax, values and empty-slot receiver behavior remain open. Presence diagnostic severity: warning. Fix: Compare with the provisioned tag and the cited producer template. Other integrations can intentionally differ.	`vendor.extreme-reach-cp-imp.param.creative_id.missing`	docs
`line_item`	recommended	The published ART19 cp-imp template includes this provisioned line-item slot. Missing presence differs from that template. Identifier syntax, values and empty-slot receiver behavior remain open. Presence diagnostic severity: warning. Fix: Compare with the provisioned tag and the cited producer template. Other integrations can intentionally differ.	`vendor.extreme-reach-cp-imp.param.line_item.missing`	docs

Validate a payload

pixellint validate url "$ARTIFACT" --rulepack vendor/extreme-reach-cp-imp

Try this failing payload in the playground. An example with a validation finding.

https://beacons.extremereach.io/cp-imp?cid=campaign&line_item=line

cargo install pixellint · npm install pixellint