Driftwatch

Cloudflare / Cloudflare API /

Additive

Response field messageRef added

What changed

No action needed unless you validate responses against a closed schema.

Affects GET /accounts/{account_id}/urlscanner/v2/result/{scan_id}.

Who is affected

Code that reads GET /accounts/{account_id}/urlscanner/v2/result/{scan_id} (meta.processors.agentReadiness.checks.discovery.a2aAgentCard.messageRef).

Before and after

WhereBeforeAfter
GET /accounts/{account_id}/urlscanner/v2/result/{scan_id} · meta.processors.agentReadiness.checks.discovery.a2aAgentCard.messageRefabsentpresent

Based on Cloudflare’s published API specification. How severity is decided.