import Ivy from '@getivy/node-sdk';

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

const balance = await client.balance.retrieve({ currency: 'EUR' });

console.log(balance.balances);

{
  "balances": [
    {
      "currency": "EUR",
      "available": 123
    }
  ]
}