const options = {
  method: 'GET',
  headers: {'x-organization-id': '<x-organization-id>', 'x-api-key': '<api-key>'}
};

fetch('https://api.dcycle.io/v1/custom-kpi-datasets/{dataset_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "organization_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "description": "<string>",
  "created_by": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "updated_by": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "updated_at": "2023-11-07T05:31:56Z",
  "kpis": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "dataset_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "sort_order": 123,
      "created_at": "2023-11-07T05:31:56Z",
      "description": "<string>",
      "unit": "<string>",
      "value_type": "number",
      "required": true,
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ]
}