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

fetch('https://api.phaseo.app/v1/organisations', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "ok": true,
  "limit": 50,
  "offset": 0,
  "total": 10,
  "organisations": [
    {
      "organisation_id": "<string>",
      "name": "<string>",
      "country_code": "<string>",
      "description": "<string>",
      "colour": "<string>"
    }
  ]
}