import Telnyx from 'telnyx';

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

const accessIPAddressResponse = await client.accessIPAddress.create({ ip_address: 'ip_address' });

console.log(accessIPAddressResponse.id);

{
  "id": "<string>",
  "ip_address": "<string>",
  "source": "<string>",
  "status": "pending",
  "user_id": "<string>",
  "description": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}