What changed
The documented set of values is gone, so anything can appear. Every exhaustive switch and generated enum over this field is now incomplete.
Affects WebhookEndpointBody reachable from 3 operations.
any value can now appear
Who is affected
Code that reads OpenAI's WebhookEndpointBody objects, used by 3 OpenAI operations.
Before and after
| Where | Before | After |
|---|---|---|
| WebhookEndpointBody.object | "webhook_endpoint" | absent |
Based on OpenAI’s published API specification. How severity is decided.