curl --request POST \
  --url https://www.ailabapi.com/api/portrait/effects/smart-skin \
  --header 'Content-Type: multipart/form-data' \
  --header 'ailabapi-api-key: <api-key>' \
  --form image='@example-file' \
  --form 'retouch_degree=<string>' \
  --form 'whitening_degree=<string>'

{
  "request_id": "",
  "log_id": "",
  "error_code": 0,
  "error_code_str": "",
  "error_msg": "",
  "error_detail": {
    "status_code": 200,
    "code": "",
    "code_message": "",
    "message": ""
  },
  "data": {
    "image_url": ""
  }
}