curl --request POST \
  --url https://cloud.onyx.app/api/chat/send-chat-message \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "message": "<string>",
  "llm_override": {
    "model_provider": "<string>",
    "model_version": "<string>",
    "temperature": 123
  },
  "allowed_tool_ids": [
    123
  ],
  "forced_tool_id": 123,
  "file_descriptors": [],
  "internal_search_filters": {
    "source_type": [],
    "document_set": [
      "<string>"
    ],
    "time_cutoff": "2023-11-07T05:31:56Z",
    "tags": [
      {
        "tag_key": "<string>",
        "tag_value": "<string>"
      }
    ]
  },
  "deep_research": false,
  "origin": "unset",
  "parent_message_id": -1,
  "chat_session_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "chat_session_info": {
    "persona_id": 0,
    "description": "<string>",
    "project_id": 123
  },
  "stream": true,
  "include_citations": true,
  "additional_context": "<string>"
}
'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}