const response = await fetch('https://service.pcibooking.net/api/eWalletAccounts', {
  method: 'GET',
  headers: {
    'Authorization': 'APIKEY your-api-key'
  }
});
const credentials = await response.json();
credentials.forEach(cred => {
  console.log(cred.credentialsId, cred.name);
});

import requests

response = requests.get(
    'https://service.pcibooking.net/api/eWalletAccounts',
    headers={'Authorization': 'APIKEY your-api-key'}
)
credentials = response.json()
for cred in credentials:
    print(cred['credentialsId'], cred['name'])

[
    {
        "credentialsId": "my-googlepay",
        "name": "GooglePay"
    },
    {
        "credentialsId": "my-applepay",
        "name": "ApplePay"
    }
]

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