import Telnyx from 'telnyx';

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

const messagings = await client.mobilePhoneNumbers.messaging.list();

console.log(messagings.data);

{
  "data": [
    {
      "record_type": "messaging_settings",
      "id": "2126210528794641864",
      "phone_number": "++13127367407",
      "messaging_profile_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "created_at": "2019-01-23T18:10:02.574Z",
      "updated_at": "2019-01-23T18:10:02.574Z",
      "country_code": "US",
      "type": "longcode",
      "traffic_type": "P2P",
      "messaging_product": "P2P",
      "features": {
        "sms": {
          "domestic_two_way": true,
          "international_inbound": true,
          "international_outbound": true
        }
      }
    }
  ],
  "meta": {
    "total_pages": 3,
    "total_results": 55,
    "page_number": 2,
    "page_size": 25
  }
}