curl --request GET \
  --url https://api.heygen.com/v3/lipsyncs \
  --header 'x-api-key: <api-key>'

{
  "data": [
    {
      "id": "<string>",
      "title": "<string>",
      "duration": 123,
      "video_url": "<string>",
      "caption_url": "<string>",
      "callback_id": "<string>",
      "created_at": 123,
      "failure_message": "<string>"
    }
  ],
  "has_more": true,
  "next_token": "<string>"
}