File

{
    "id": "file_3xYz9",
    "object": "file",
    "url": "https://media.beatapi.io/inputs/file_3xYz9.mp3",
    "key": "inputs/file_3xYz9.mp3",
    "mime_type": "audio/mpeg",
    "size_bytes": 1048576,
    "purpose": "input",
    "created_at": 1782210000
}