import Telnyx from 'telnyx';

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

const csvDownload = await client.phoneNumbers.csvDownloads.retrieve('id');

console.log(csvDownload.data);

{
  "data": [
    {
      "id": "42587e44-3a3e-46de-9255-0c9a7a1d1ec7",
      "record_type": "csv_download",
      "url": "https://www.telnyx.com/sample/42587e44-3a3e-46de-9255-0c9a7a1d1ec7",
      "status": "pending"
    }
  ]
}