Kortpress | We answer frequently asked questions

What is a UUID?

A UUID (Universally Unique Identifier) is a 128-bit number used to identify information in computer systems. A synonym for this is also the term GUID (Globally Unique Identifier).

Do I need to be a member of the Apple Developer Program?

To create and sign passes, you need to be a member of the Apple Developer Program. There a certificate will be created for you, which will be stored in your account with Kortpress and with which you can sign the pass. You cand find further information about the apple developer program at: https://developer.apple.com/programs/

What are Apple Credentials and what are they used for?

To be able to create Passes and Cards for iOS on the Kortpress web application, you need to have various files. This includes credentials,, which contains Team Identifier, Pass Type Identifier, Pass Certificate and the associated password. You can get these files as member of the Apple Developer Program for iOS. You can find further information about the apple developer program and kortpress at: https://letsdev.de/en/blog/apple-developer-program

How can a pass be loaded onto a smartphone?

Kortpress offers a landing page with the download links and a QR code at the same time. This means that a pass can be conveniently installed on the smartphone. Furthermore, the individual URLs can also be supplied, via which the pass can be loaded onto the device. These URLs can be delivered to your target groups via e-mail, SMS, iMessage or other services.

What graphics do I need to create a pass?

Different photos, graphics and logos are required for each pass. You can find information about the format when uploading on Kortpress web application. Please note that your media must be created and uploaded in a PNG format. Your logo should be transparent (without background) and in a sufficiently high quality. If you need help with the creation with the preparation, please contact us! Our support will be happy to assist you.

How do push notifications work with Apple Passes?

Push notifications are an ideal customer engagement tool to draw attention to a targeted offer or important information. However, due to technical restrictions, push notifications are always combined with a pass update. Users also have the option of deactivating these notifications. Google itself does not support push notifications yet.

How can a notification be issued for a specific location?

Notifications can be defined in the Kortpress web application in the "Lock screen" area. By entering an address with a defined radius, a notification can be displayed on the user's device of the user. The corresponding pass can be opened directly from the lock screen.

How can I log in to the Kortpress.io app and how is the associated voucher created?

First, download the Kortpress.io app. The app is available for free at the App Store for iOS and at Google Play for Android. To log in, you can create a voucher (QR code) in the web application (Kortpress Cloud) and then scan it with your smartphone.
To create a voucher, go to the dashboard in the web app (Kortpress Cloud). Under "MORE", select the "APP MANAGER" entry. Here you can generate a voucher (QR code).

When is a pass active?

A pass and all its individual installations are active and therefore billable as long as they are assigned to your account. After a pass has been deleted, it is no longer active and is therefore no longer considered for billing.

What is a transaction?

Kortpress records all transactions related to a pass. This includes pass creation, pass updates, pass installations, push notifications and much more.

What is a pass update?

A pass update is a change to an existing pass or template that affects passes. Due to technical restrictions, a pass update is also necessary for sending push notifications.

How is the total number of passes calculated?

The total number of passes is the sum of the created passes and the passes that have been installed multiple times.

How can I change my tariff during an active subscription?

You can easily switch to another rate model during an active subscription. To do this, log in to the Kortpress Cloud, click on the Kortpress logo in the Navigation menu and go to the "Control Center". In the Control Center, click on "Contract-Details" and then click on "Change Tariff". Now select your desired tariff. The tariff change will take place in the following month.

What are Beacons?

Beacons are small transmitters or receivers that can send signals at specific time intervals using Bluetooth. Our Kortpress technology can pick up these signals in order to send notifications to the installed pass at defined areas (e.g. at the checkout zone).

What is a P12 key?

A P12 key is a certificate from Apple that is used by various security and encryption programs. You need this certificate as part of the credentials to create Passes and Cards. A membership in the Apple Developer Program is required to obtain and use this file.

What happens to deleted passes?

Your customers can restore their Passes that have been deleted from their smartphone at any time, by adding the passes to their mobile wallet again. Assuming they are actively stored in the Kortpress web application.

Which QR Code types are supported?

With Kortpress.io you are able to scan besides QR Codes other commonly used barcode types: Code 128, PDF 417 and Aztec-Code.