const options = {method: 'GET', headers: {cookie: 'PHPSESSID='}};

fetch('{protocol}://{host}/api/v1/analytics/top-flows', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "range": {
    "from": "2023-12-25",
    "to": "2023-12-25"
  },
  "data": [
    {}
  ]
}