import Telnyx from 'telnyx';

const client = new Telnyx();

const response = await client.oauth.introspect({ token: 'token' });

console.log(response.client_id);

{
  "active": true,
  "scope": "<string>",
  "client_id": "<string>",
  "exp": 123,
  "iat": 123,
  "iss": "<string>",
  "aud": "<string>"
}