import Telnyx from 'telnyx';

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

const response = await client.porting.listUkCarriers();

console.log(response.data);

{
  "data": [
    {
      "id": "96dfa9e4-c753-4fd3-97cd-42d66f26cf0c",
      "cupid": "895",
      "name": "Telnyx UK Limited",
      "alternative_cupids": [
        "895"
      ],
      "record_type": "porting_uk_carrier",
      "created_at": "2021-03-19T10:07:15.527000Z",
      "updated_at": "2021-03-19T10:07:15.527000Z"
    }
  ]
}