curl --request POST \
  --url https://operator.io/api/chat \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "messages": [
    {
      "role": "user",
      "parts": [
        {
          "type": "text",
          "text": "Build an agent that predicts AQI for 50 cities. Score daily against actuals."
        }
      ]
    }
  ]
}
'

{
  "chatId": "<string>",
  "text": "<string>"
}