curl --request POST \
  --url https://flow.seekr.com/v1/threads/{thread_id}/messages \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "content": "<string>",
  "meta_data": {}
}
'

{
  "thread_id": "<string>",
  "role": "<string>",
  "content": "<string>",
  "id": "<string>",
  "object": "thread.message",
  "created_at": "2023-11-07T05:31:56Z",
  "parts": [
    {
      "type": "<string>",
      "text": "<string>",
      "id": "<string>",
      "metadata": {}
    }
  ],
  "agent_id": "<string>",
  "run_id": "<string>",
  "meta_data": {}
}