curl --request POST \
  --url https://api.kie.ai/api/v1/mp4/generate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "taskId": "taskId_774b9aa0422f",
  "audioId": "e231****-****-****-****-****8cadc7dc",
  "callBackUrl": "https://api.example.com/callback",
  "author": "电子音乐DJ",
  "domainName": "music.example.com"
}
'

{
  "code": 0,
  "msg": "",
  "data": {
    "taskId": ""
  }
}