import AIInbx from 'aiinbx';

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

const response = await client.emails.reply('emailId', { from: '[email protected]', html: 'html' });

console.log(response.emailId);

{
  "emailId": "<string>",
  "threadId": "<string>",
  "messageId": "<string>"
}