curl --request GET \
  --url http://sandbox.mintlify.com/v1/pay/balance \
  --header 'X-GatePay-Certificate-ClientId: <x-gatepay-certificate-clientid>' \
  --header 'X-GatePay-Nonce: <x-gatepay-nonce>' \
  --header 'X-GatePay-Signature: <x-gatepay-signature>' \
  --header 'X-GatePay-Timestamp: <x-gatepay-timestamp>'

{
  "status": "SUCCESS",
  "code": "000000",
  "errorMessage": "",
  "data": {
    "ADA": "313.99963295",
    "ALGO": "0",
    "APT": "0",
    "ARB": "0",
    "ATOM": "0",
    "AVAX": "0",
    "BCH": "0"
  }
}