API documentation you can find here
At the moment available card balance and statements for given card
npm install privatbank-api --save
const Merchant = require('privatbank-api');
merchant = new Merchant({
id: '16164213',
password: 'fasdfqwr234vzx1234asddfsdf',
country: 'UA'
});
merchant.balance('5512123466651234')
.then((balance) => console.log('Balance', balance));
merchant.statement('5512123466651234', '01.01.2017', '15.03.2017')
.then((statements) => console.log('Statements', statements));