import Telnyx from 'telnyx';

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

const response = await client.messaging.rcs.listBulkCapabilities({
  agent_id: 'TestAgent',
  phone_numbers: ['+13125551234'],
});

console.log(response.data);

{
  "data": [
    {
      "record_type": "rcs.capabilities",
      "phone_number": "+13125551234",
      "agent_id": "TestAgent",
      "agent_name": "Testing agent",
      "features": [
        "<string>"
      ]
    }
  ]
}