async function validatePaymentResult(resultToken) {
  const response = await fetch('https://service.pcibooking.net/api/eWalletOperation/validateResults', {
    method: 'POST',
    headers: {
      'Authorization': 'APIKEY your-api-key',
      'Content-Type': 'text/plain'
    },
    body: resultToken
  });
  const data = await response.json();
  return data.valid; // true if the token is authentic
}

import requests

def validate_payment_result(result_token):
    response = requests.post(
        'https://service.pcibooking.net/api/eWalletOperation/validateResults',
        headers={
            'Authorization': 'APIKEY your-api-key',
            'Content-Type': 'text/plain'
        },
        data=result_token
    )
    data = response.json()
    return data['valid']  # True if the token is authentic

{
    "valid": true
}

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