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

{
  "paymentmethods": [
    "paypal",
    "alipay",
    "creditcard",
    "cryptomus"
  ],
  "status": "success"
}