curl --request GET \
  --url https://openplatform.gateapi.io/merchant/open/institution/v1/pay/fixedaddress/list \
  --header 'X-GatePay-Certificate-ClientId: <x-gatepay-certificate-clientid>' \
  --header 'X-GatePay-Nonce: <x-gatepay-nonce>' \
  --header 'X-GatePay-On-Behalf-Of: <x-gatepay-on-behalf-of>' \
  --header 'X-GatePay-Signature: <x-gatepay-signature>' \
  --header 'X-GatePay-Timestamp: <x-gatepay-timestamp>'

{
  "status": "SUCCESS",
  "code": "000000",
  "errorMessage": "",
  "data": {
    "total": 2,
    "list": [
      {
        "channelId": "smart_shop1",
        "chain": "ETH",
        "address": "0xE2b3fA811f04FD5Ac6559007795D6Fc74365126B",
        "currencies": [
          "USDC"
        ],
        "callbackUrl": "https://www.abc.com/callback",
        "desc": "",
        "ChainShowEn": "ETH /ERC20",
        "createTime": 1727603135221,
        "updateTime": 1727603135221,
        "is_risk": 0
      }
    ]
  }
}