import Openregister from 'openregister';

const client = new Openregister({
  apiKey: 'My API Key',
});

const response = await client.company.getContactV0('company_id');

console.log(response.vat_id);

{
  "source_url": "<string>",
  "email": "<string>",
  "phone": "<string>",
  "vat_id": "<string>"
}