const { FedaPay, Balance } = require('fedapay');
/* Replace YOUR_SECRETE_API_KEY with your real API key */
FedaPay.setApiKey("YOUR_SECRETE_API_KEY");
/* Specify whether you want to run your query in test or live mode */
FedaPay.setEnvironment('sandbox'); //or setEnvironment('live');
/* Show balance */
const balance = await Balance.retrieve( ID, params = {}, headers = {} );

[
  {
    "id": 123,
    "amount": 123,
    "mode": "<string>",
    "account_id": 123,
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
]