openrtb.3.0.request_response

What it means

OpenRTB 3.0 changes the structure around request, response.

OpenRTB 3.0 split the transaction into Request and Response payload objects under the layered architecture.

Why it matters

A structural shift changes where data lives, so a payload shaped for an earlier version does not map cleanly onto 3.0.

How to fix it

Reshape the payload to the 3.0 layout for request.

Paste your bid request into the tester and select OpenRTB 3.0 to see whether this rule fires against your payload.

Reference

• Specification section: Bid Request Payload / Bid Response Payload
• Source: OpenRTB 3.0 final specification

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