How can I redeem my voucher (Vakantieveilingen / Groupon / Ticketveiling / etc.)? Click here for all information about redeeming your voucher. Related articles I am having problems redeeming my voucher (Vakantieveilingen / Airmiles / Ticketveiling / Groupon / etc.). Can you help? How can I contact Ticketmaster? Where and for what can a Ticketmaster Gift Card be used? I have experienced an error while redeeming my voucher and now my code doesn't work? How can I check the balance on my Ticketmaster Gift Card?