curl --request POST \
  --url https://cloud.onyx.app/api/chat/send-message-simple-api \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "message": "<string>",
  "chunks_above": 123,
  "chunks_below": 123,
  "full_doc": false,
  "chat_session_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "persona_id": 123,
  "retrieval_options": {
    "chunks_above": 123,
    "chunks_below": 123,
    "full_doc": false,
    "run_search": "always",
    "real_time": true,
    "filters": {
      "source_type": [
        "ingestion_api"
      ],
      "document_set": [
        "<string>"
      ],
      "time_cutoff": "2023-11-07T05:31:56Z",
      "tags": [
        {
          "tag_key": "<string>",
          "tag_value": "<string>"
        }
      ],
      "kg_entities": [
        "<string>"
      ],
      "kg_relationships": [
        "<string>"
      ],
      "kg_terms": [
        "<string>"
      ],
      "kg_sources": [
        "<string>"
      ],
      "kg_chunk_id_zero_only": false
    },
    "enable_auto_detect_filters": true,
    "offset": 123,
    "limit": 123,
    "dedupe_docs": false
  },
  "query_override": "<string>",
  "search_doc_ids": [
    123
  ],
  "structured_response_format": {},
  "use_agentic_search": false
}
'

{
  "answer": "<string>",
  "answer_citationless": "<string>",
  "top_documents": [
    {
      "document_id": "<string>",
      "chunk_ind": 123,
      "semantic_identifier": "<string>",
      "blurb": "<string>",
      "source_type": "ingestion_api",
      "boost": 123,
      "hidden": true,
      "metadata": {},
      "match_highlights": [
        "<string>"
      ],
      "db_doc_id": 123,
      "link": "<string>",
      "score": 0,
      "is_relevant": true,
      "relevance_explanation": "<string>",
      "updated_at": "2023-11-07T05:31:56Z",
      "primary_owners": [
        "<string>"
      ],
      "secondary_owners": [
        "<string>"
      ],
      "is_internet": false
    }
  ],
  "error_msg": "<string>",
  "message_id": 123,
  "cited_documents": {}
}