const response = await fetch('https://service.pcibooking.net/api/eWalletOperation', {
  method: 'GET',
  headers: {
    'Authorization': 'APIKEY your-api-key'
  }
});
const wallets = await response.json();
wallets.forEach(wallet => {
  console.log(wallet.Name, wallet.MerchantAccountPropertyNames);
});

import requests

response = requests.get(
    'https://service.pcibooking.net/api/eWalletOperation',
    headers={'Authorization': 'APIKEY your-api-key'}
)
wallets = response.json()
for wallet in wallets:
    print(wallet['Name'], wallet['MerchantAccountPropertyNames'])

[
    {
        "Name": "GooglePay",
        "MerchantAccountPropertyNames": [
            "MerchantId",
            "MerchantName"
        ]
    },
    {
        "Name": "ApplePay",
        "MerchantAccountPropertyNames": [
            "MerchantId",
            "DomainName",
            "DisplayName"
        ]
    }
]

{
    "code": -125,
    "message": "Bad input data",
    "moreInfo": "...",
    "errorList": null
}