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HolidayCheck Makes Digital Identity Easier for Users

Online travel agency authenticates millions of users across multiple platforms with Auth0

July 24, 2019

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LONDON July 24, 2019 Auth0, a global leader in Identity-as-a-Service (IDaaS), today announced that it has deployed its identity management platform for hotel rating and travel booking portal, HolidayCheck.

In concrete terms, this enables users to simply, securely, and conveniently authenticate themselves via the portal's website or mobile app to book a holiday and submit ratings. In total, HolidayCheck has more than 1 million hotels, 9.4 million hotel ratings, and over 10 million photos and videos.

As the second-largest online travel agency in the German-speaking market, HolidayCheck deals with numerous users every day whose data must be managed securely and smoothly. This is particularly true during the holiday season, when users of the portal have to identify themselves to quickly book last-minute offers. HolidayCheck wants to strengthen trust and loyalty in the brand by accelerating the entire identity management process to offer its customers an Urlauber*-friendly service.

"Auth0's authentication solution allows us to quickly and easily authenticate millions of users each month across multiple platforms, so they can book their holiday with us without a long time delay and give feedback smoothly," says Björn Zapadlo, director of technology at HolidayCheck.

"It's great to work with like-minded individuals who are not only seeing value from your product, but also share your values as a company. A shared focus on trust makes our partnership with HolidayCheck that much better, and we look forward to helping them become the most holidaymaker-friendly company in the world," said Steven Rees-Pullman, GM of EMEA at Auth0.

The Auth0 solution has enabled HolidayCheck to handle more than 21 million authentication transactions in the last 30 days. With Auth0, Zapadlo and his team are improving their ability to personalise the online experience and bookings for many different types of buyers. More details on HolidayCheck's implementation of Auth0 can be found here.

* Urlauber [uːɐlaʊbɐ] is the German term for vacationer, holidaymaker.

About HolidayCheck

HolidayCheck enables every Urlauber to find and book the individually suitable holiday thanks to authentic evaluations, the expertise of their own travel agency, and the knowledge of the community. It is based on over 9.4 million hotel evaluations, its own TÜV-certified online travel agency with around 220 travel experts, and the offers of more than 100 tour operators and other tourism providers. Urlaubers can also find lots of helpful information and inspiration in the travel forum with up to 2.9 million visitors per month, in the HolidayCheck online magazine Away, and on the new HolidayCheck cruise platform. HolidayCheck AG, a subsidiary of the HolidayCheck Group, was founded in 2003 and is based in Bottighofen, Switzerland, near the German border town of Constance.

About Auth0

Auth0 by Okta takes a modern approach to customer identity and enables organizations to provide secure access to any application, for any user. Auth0 is a highly customizable platform that is as simple as development teams want, and as flexible as they need. Safeguarding billions of login transactions each month, Auth0 delivers convenience, privacy, and security so customers can focus on innovation. For more information, visit

Media Contacts:

Silvia Hänig

Mark Fowler
Racepoint Global for Auth0, EMEA
+44 (0) 77 1124 4113

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