Sunset Sentinel API

Deprecation intelligence / synthetic data

See API sunsets before they become incidents.

A reproducible assessment turns deprecation signals into ranked migration work, calendars, issue drafts, and owner-ready checklists.

Fixed scenario time: . Generated offline from bundled fixtures.

SYNTHETIC safe for public review RFC-aware lifecycle signals Deterministic at every build

Migration queue

Risk register

Ranked by urgency and consumer blast radius. Scores come directly from the committed assessment.

Synthetic API lifecycle records ordered by migration priority
Target State Sunset Consumers Priority
fixture-api GET /v1/orders Deprecated 30 Sep 2026 Checkout Web 75
fixture-api GET /v1/search Date unknown Not declared Operations Reporter 60
partner-catalog Service scope Scheduled 31 Jan 2027 Checkout Web 45

Runtime artifact

A real CLI assessment, rendered for review

The image is generated from the same JSON used by this page. It is not a product mockup.

Terminal-style Sunset Sentinel assessment showing three ranked synthetic API lifecycle records
Rebuilt by scripts/generate_demo_image.py from the committed synthetic assessment.

Reviewable outputs

Take the evidence into your workflow

Each file is generated from the bundled examples with no network access.

Reproduce it

One offline command, five operational formats.

python scripts/demo.py
  1. ImportOpenAPI, manual feed, and consumer fixtures
  2. AssessLifecycle state, urgency, and blast radius
  3. ExportJSON, Markdown, calendar, checklist, and issues