You can add your Nomad Club card number to your booking via the "Manage booking" section on the website or in the Air Astana app. Enter the passenger's last name in Latin letters and the Booking number (6-digit alphanumeric code). The Booking number is listed on the e-ticket/route receipt you received after purchasing your ticket to your e-mail address.
In the "Manage Bookings" section, click on the "Manage Bookings" tab and select "Update contact information" from the drop-down list. On the open page, enter the required data in the appropriate fields and click "Next".