curl --request GET \
  --url https://api.kie.ai/api/v1/mp4/record-info \
  --header 'Authorization: Bearer <token>'

{
  "code": 200,
  "msg": "success",
  "data": {
    "taskId": "988e****c8d3",
    "musicId": "e231****-****-****-****-****8cadc7dc",
    "callbackUrl": "https://api.example.com/callback",
    "musicIndex": 0,
    "completeTime": "2025-01-01 00:10:00",
    "response": {
      "videoUrl": "https://example.com/s/04e6****e727.mp4"
    },
    "successFlag": "SUCCESS",
    "createTime": "2025-01-01 00:00:00",
    "errorCode": null,
    "errorMessage": null
  }
}