import Telnyx from 'telnyx';

const client = new Telnyx({
  apiKey: 'My API Key',
});

const response = await client.storage.buckets.usage.getBucketUsage('');

console.log(response.data);

{
  "data": [
    {
      "size": [
        123456
      ],
      "size_kb": [
        123456
      ],
      "num_objects": [
        123456
      ],
      "timestamp": [
        "2020-01-01T00:00:00Z"
      ]
    }
  ],
  "meta": {
    "page_number": [
      2
    ],
    "page_size": [
      25
    ],
    "total_pages": [
      3
    ],
    "total_results": [
      55
    ]
  }
}