OpenAI API surfaces
AI API lifecycle database
Shutdown dates, official migration paths, and provider-owned evidence. Checked 2026-08-14.
APIStatusShutdownOfficial migration
Assistants API
deprecated
2026-08-26
Responses API and Conversations API
Videos API
deprecated
2026-09-24
No official replacement listed
Reusable prompts API
deprecated
2026-11-30
Move reusable prompt content into your application code
Evals API
deprecated
2026-11-30
Promptfoo
No matching API lifecycle entry.
API migrations are report-only until a deterministic rule can preserve the affected state model and request semantics. SunsetPR never invents a replacement when the official source lists none.