Driftwatch

Vercel / Vercel REST API /

Additive

Response field slug added

What changed

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

Affects PATCH /v1/projects/{projectIdOrName}/feature-flags/flags/{flagIdOrSlug}.

Who is affected

Code that reads PATCH /v1/projects/{projectIdOrName}/feature-flags/flags/{flagIdOrSlug} (slug).

Before and after

WhereBeforeAfter
PATCH /v1/projects/{projectIdOrName}/feature-flags/flags/{flagIdOrSlug} · slugabsentpresent

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