import Telnyx from 'telnyx';

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

const response = await client.storage.buckets.usage.getAPIUsage('', {
  filter: { end_time: '2019-12-27T18:11:19.117Z', start_time: '2019-12-27T18:11:19.117Z' },
});

console.log(response.data);

{
  "data": [
    {
      "categories": [
        {
          "bytes_sent": [
            123456
          ],
          "bytes_received": [
            123456
          ],
          "ops": [
            123456
          ],
          "successful_ops": [
            123456
          ],
          "category": [
            "put_obj"
          ]
        }
      ],
      "total": {
        "bytes_sent": [
          123456
        ],
        "bytes_received": [
          123456
        ],
        "ops": [
          123456
        ],
        "successful_ops": [
          123456
        ]
      },
      "timestamp": [
        "2020-01-01T00:00:00Z"
      ]
    }
  ]
}