import Openregister from 'openregister';

const client = new Openregister({
  apiKey: process.env['OPENREGISTER_API_KEY'], // This is the default and can be omitted
});

const response = await client.company.getHoldingsV1('company_id');

console.log(response.company_id);

{
  "company_id": "<string>",
  "holdings": [
    {
      "company_id": "<string>",
      "relation_type": "shareholder",
      "name": "<string>",
      "nominal_share": 123,
      "percentage_share": 123,
      "start": "<string>",
      "end": "<string>"
    }
  ]
}