Audit of OpenAI, Anthropic and Groq OpenAPI specs finds 215 removed keys

A developer diffed the published OpenAPI specs of OpenAI, Anthropic and Groq, tracking 2,802 operations and parameters. 215 keys disappeared from the documents, including 33 that appeared and vanished on the same day and 27 whole operations.

• 2,802 keys tracked across three vendors, 215 no longer published
• 33 keys appeared and vanished on the same day, 14 of them on 2025-03-22
• 27 operations removed, including six OpenAI Assistants file endpoints
• Anthropic's user_profile_id parameter in /v1/messages lasted 67 days