curl --request POST \
  --url https://order.edisglobal.com/kvm/v2/get/account-balance \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data email=yourwhmc_email \
  --data pw=yourwhmc_password

{
  "balance": {
    "amount": "20.00",
    "currency": "EUR"
  },
  "status": "success"
}