const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://blackbox.dasha.ai/api/v1/calls/statistics/statuses', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "statuses": {
    "Unknown": 123,
    "Created": 123,
    "Pending": 123,
    "Queued": 123,
    "Completed": 123,
    "Failed": 123,
    "Canceled": 123,
    "Running": 123
  }
}