curl --request POST \
  --url https://api.example.com/v1/conversations/{conversation_id}/chat \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "content": "<string>",
  "kb_id": "<string>",
  "files": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "size": 123,
      "type": "<string>",
      "url": "<string>",
      "b64_content": "<string>"
    }
  ],
  "model_selection": [
    "<string>"
  ]
}
'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "parts": [
    {
      "parts": [
        {
          "content": "<string>",
          "timestamp": "2023-11-07T05:31:56Z",
          "dynamic_ref": "<string>",
          "part_kind": "system-prompt"
        }
      ],
      "timestamp": "2023-11-07T05:31:56Z",
      "instructions": "<string>",
      "kind": "request",
      "run_id": "<string>",
      "metadata": {}
    }
  ]
}