function handle_emb_file() {
    $api_url = "http://ewa.wilcom.com/4.5/api/info";
    $app_id = "45d6ea2f";
    $app_key = "cee1890fc1f53e397e413e4c4bfbc7fa";

    $response = wp_remote_post($api_url, [
        'method'    => 'POST',
        'headers'   => [
            'appId'  => $app_id,
            'appKey' => $app_key,
        ],
        'timeout' => 15,
    ]);

    if (!is_wp_error($response)) {
        $status_code = wp_remote_retrieve_response_code($response);
        $response_body = wp_remote_retrieve_body($response);
        echo "<p>HTTP Status Code: $status_code</p>";
        echo "<p>API-svar: $response_body</p>";
    } else {
        echo "<p style='color:red;'>Anslutningsfel: " . esc_html($response->get_error_message()) . "</p>";
    }
}