curl --request POST \
  --url https://api.bytez.com/models/v2/captioner/caption-gen \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "text": "<string>",
  "messages": [
    {
      "role": "system",
      "content": "<string>"
    }
  ],
  "url": "<string>",
  "base64": "<string>",
  "question": "<string>",
  "context": "<string>",
  "candidate_labels": [
    "<string>"
  ],
  "stream": true,
  "json": true,
  "params": {
    "min_length": 123,
    "max_length": 123,
    "temperature": 123
  }
}'

{
  "error": null,
  "output": "A cat sitting on a windowsill."
}