of type 'hidden_message' was provided without its required 'reasoning' item:
Resolved 💬 2 comments Opened Mar 4, 2026 by asukaminato0721 Closed Mar 5, 2026
💡 Likely answer: A maintainer (github-actions[bot], contributor)
responded on this thread — see the highlighted reply below.
It return this
{
"type": "error",
"error": {
"type": "invalid_request_error",
"message": "Item 'msg_00d90d93e50680f70169a861b3f7f88191a5f73add42e50ddb' of type 'hidden_message' was provided without its required 'reasoning' item: 'rs_00d90d93e50680f70169a861b06dec8191956d6677d0d2c2d8'.",
"param": "input"
},
"status": 400
}thread ID 019cb9bc-5b44-7f20-aaec-f842f09df676
2 Comments
Potential duplicates detected. Please review them and close your issue if it is a duplicate.
Powered by Codex Action
This should be fixed by a responses API deploy soon, please report if you see it again