curl --request POST \
  --url https://api.ttapi.io/suno/v1/add-vocals \
  --header 'Content-Type: application/json' \
  --header 'TT-API-KEY: <api-key>' \
  --data '
{
  "custom": false,
  "mv": "chirp-v5",
  "music_id": "<string>",
  "gpt_description_prompt": "夜晚城市 lo-fi 钢琴搭配雨声，柔和人声唱段，主题：“在灯火阑珊处”",
  "prompt": "<string>",
  "title": "<string>",
  "tags": "rock, blues, hip-hop, r&b",
  "negative_tags": "<string>",
  "style_weight": 0.5,
  "weirdness_constraint": 0.5,
  "audio_weight": 0.5,
  "vocal_gender": "Male",
  "isStorage": false,
  "hookUrl": "<string>"
}
'

{
  "status": "SUCCESS",
  "message": "success",
  "data": {
    "job_id": "job_id"
  }
}