Kayak is a search engine focuses on traveling industry, started by Kayak Software Corporation. It was founded in 2004 to provide better travel search to all users who keep search on internet regarding travel information. The company was initially started as travel search company by Steve Hafner, the founder of the company. With the coming of 2012, the company acquired by princeline.com, an American travel company which help users to claim discount rates for travelling. Apart from Kayak, it also running few subsidiaries, including KAYAK.co.uk, checkfelix.com, and swoodoo.com. The company operates it all business from its headquarters situated in Norwalk, CT, United States. The company offers its services all over the world, and offers information of many hotels around the world. Kayak.com provides information regarding cheapest air, hotel, cruise and car rental prices. The search engine can be used in many languages such as English (US, UK, India, Danish, Finnish, French, German, Italian, Norwegian, Spanish & Swedish. The company is being operate by approximately 133 members. The postal and official address, email address and phone number (helpline) of Kayak service center is given above. The helpline of Kayak service center may or may not be toll free.