curl --request GET \
  --url https://receipts.opencard.io/api/v1/marcet/callbackrequests/{callbackRequestId} \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://receipts.opencard.io/api/v1/marcet/callbackrequests/{callbackRequestId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://receipts.opencard.io/api/v1/marcet/callbackrequests/{callbackRequestId}"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://receipts.opencard.io/api/v1/marcet/callbackrequests/{callbackRequestId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

{
  "callback_path": "/transaction/123456789",
  "callback_content_type": "text/xml",
  "transaction": {
    "id": "txn_001",
    "auth_amount": 99.95,
    "auth_currency": "SEK",
    "auth_date": "2026-06-08",
    "auth_time": "11:12:14",
    "auth_timezone": "Europe/Stockholm",
    "reference_no": "190102519907",
    "auth_code": "ABC123",
    "terminal_id": "0000000015745355",
    "merchant_no": "3462188",
    "merchant_name": "Espresso House",
    "merchant_country": "SE",
    "clearing": "false",
    "auth_masked_card_number": "****1234",
    "type": "CARD_PURCHASE",
    "state": "AUTHORIZED",
    "mcc": "5814"
  }
}