import Telnyx from 'telnyx';

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

const invoices = await client.invoices.list();

console.log(invoices.data);

{
  "meta": {
    "total_results": 20,
    "total_pages": 1,
    "page_number": 1,
    "page_size": 20
  },
  "data": [
    {
      "invoice_id": "48eff763-ea80-4345-b688-78249eb165a8",
      "file_id": "454ea3b0-9eaa-4fa9-992e-6d9f31c0a37e",
      "period_start": "2023-11-01",
      "period_end": "2023-11-30",
      "paid": true,
      "url": "https://api.telnyx.com:443/v2/invoices/48eff763-ea80-4345-b688-78249eb165a8"
    }
  ]
}