import Telnyx from 'telnyx';

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

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

console.log(inboundChannels.data);

{
  "data": {
    "channels": 7,
    "record_type": "inbound_channels"
  }
}