chat

Submit Agent Session Tool Outputs

Persist resolved client tool outputs for the session's open turn.

post/v1/agent_sessions/{session_id}/tool_outputs

Path parameters

session_idstring required

lastMessageIdstring required

The trailing assistant message's id. On mismatch the submission is rejected with HTTP 409 and code agent_session_messages_stale.

Successful Response

Changed in 4 of the 74 revisions of this API.14

Aug 28, 20264016becf04d61See the full diff
- ○
  added the optional property //// to the response with the status
  response-optional-property-added
Aug 25, 2026e4bf71c6ae162See the full diff
- ○
  added the optional property ////// to the response with the status
  response-optional-property-added
- ○
  added the optional property ////// to the response with the status
  response-optional-property-added
This revision also has 15 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog
Aug 21, 20266107b5235c741See the full diff
- ●
  added the new agent_session_tool_approvals_conflict enum value to the response property for the response status
  response-property-enum-value-added
Aug 11, 2026881c8eca38761See the full diff
- ○
  endpoint added
  endpoint-added
This revision also has 16 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog