What changed
No action needed unless you validate responses against a closed schema.
Affects GET /v9/domains/{domain}/verification.
Who is affected
Code that reads GET /v9/domains/{domain}/verification (expiresAt).
Before and after
| Where | Before | After |
|---|---|---|
| GET /v9/domains/{domain}/verification · expiresAt | absent | present |
Based on Vercel’s published API specification. How severity is decided.