curl --request GET \
  --url https://ramp-sandbox.hexarails.ai/payment/estimate \
  --header 'X-API-Key: <api-key>'

{
  "status": "SUCCESS",
  "data": {
    "rate": "0.9950",
    "deductAmount": "10130.25",
    "bankCharge": "80.00",
    "bankAccount": {
      "bankName": "DBS Bank",
      "accountNo": "1234567890",
      "currency": "USD",
      "beneficiaryName": "John Doe"
    }
  }
}