import Nuntly from '@nuntly/sdk';

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

const response = await client.messages.reply('imsg_01kabn43yqyxn2bx4ve84mczd3');

console.log(response.id);

{
  "data": {
    "id": "<string>",
    "threadId": "<string>",
    "fromAddress": "<string>",
    "subject": "<string>"
  }
}