const response = await fetch(
  'https://service.pcibooking.net/api/payments/paycard/2821a46d80e14d1b96a7f18f1b81926d/3dToken',
  {
    headers: {
      'Authorization': 'APIKEY your-api-key'
    }
  }
);

const data = await response.json();
console.log(data);

import requests

response = requests.get(
    'https://service.pcibooking.net/api/payments/paycard/2821a46d80e14d1b96a7f18f1b81926d/3dToken',
    headers={'Authorization': 'APIKEY your-api-key'}
)

print(response.json())

{
    "Token": "e13448f6255a496f960d215852f9ccc4",
    "ThreeDSSessionID": null,
    "ThreeDSecIndication": "Authenticated",
    "AuthenticationValue": "AJkBAoEREQAAAAB4hABwcAAAAAA=",
    "Eci": "05",
    "XID": "f0688d0b-6081-4879-9713-e7237d1fddfd",
    "AcsTransactionId": null,
    "Version": "2.1.0",
    "MerchantName": null,
    "SLI": null
}

{
    "code": -1003,
    "message": "Not authorized to access this resource",
    "moreInfo": "Bad or missing authorization data, expected APIKEY",
    "errorList": null
}

{
    "code": -160,
    "message": "Uri not found",
    "moreInfo": "No 3D Secure data exists for this card",
    "errorList": null
}

{
    "code": -150,
    "message": "Internal error",
    "moreInfo": "Failed to retrieve 3D Secure data",
    "errorList": null
}