API
API Deprecation Notice Generator
Feature, replacement, and sunset date, turned into real RFC 8594 Deprecation/Sunset HTTP headers plus a docs notice - not an invented custom format.
HTTP response headers (RFC 8594)
Deprecation: date="Thu, 31 Dec 2026 00:00:00 GMT" Sunset: Thu, 31 Dec 2026 00:00:00 GMT Link: <https://docs.example.com/migration/v2-users>; rel="deprecation"
Docs notice (markdown)
> **Deprecated:** `GET /v1/users` is deprecated (replaced by a paginated endpoint) and will be removed on **2026-12-31**. > Use `GET /v2/users` instead. > See https://docs.example.com/migration/v2-users for migration details.
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