Public preview · Automatic monitoring and email alerts are not enabled

Build snapshot for UTC 2026-09-03, not live metrics. JavaScript recalculates date states for the current UTC day; sources are not reverified.

API CHANGE WATCH / An independent field guide

AI APIs,
changes made clear.

New models, API changes and migration deadlines, clearly separated. Less digging through docs. More time to build.

Listed providers11Public developer APIs
Upcoming deadlines6With a stated date
Within 90 days3Prioritize these
Upcoming critical events3Shutdown risk

Plan ahead

Migration dates to keep in view

Explore all events →
OpenAI
CriticalVerified

Model lifecycle · Sep 26, 2025

4 legacy completion models reach shutdown

OpenAI lists Sep 28, 2026 as the shutdown date for 4 legacy model identifiers.

25d leftSep 28, 2026

Action notices · no stated deadline

All actions →

No countdown does not mean no action: compatibility risks and review candidates remain visible.

Product updates

All updates →

Newest announcements first; undated records last. New models do not imply required migration.

The provider directory

11 providers. Primary sources.

Official marks identify providers, not partnerships or endorsements. All lifecycle data links back to primary sources.

Listed providers are not active monitors. This is a bounded, manually reviewed catalog; automatic monitoring is OFF. Source registry and limits →