import Courier from '@trycourier/courier';

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

const profile = await client.profiles.retrieve('user_id');

console.log(profile.profile);

{
  "profile": {},
  "preferences": {
    "categories": {},
    "notifications": {}
  }
}