Get detailed balance

Example response

{
  "balance": {
    "main": "9.36",
    "bonus": "5.00",
    "currency": "USD"
  },
  "email": {
    "tariff_name": "Pay as you go 10 000",
    "finished_time": "2019-04-25 08:03:02",
    "emails_left": 9914,
    "maximum_subscribers": 10000
  },
  "smtp": {
    "tariff_name": "SMTP Free",
    "end_date": "2018-11-21 15:05:39",
    "auto_renew": 1
  },
  "push": {
    "tariff_name": "White Label",
    "end_date": "2018-11-30",
    "auto_renew": 1
  }
}