Pre-booking taxi for Istanbul Airport

You do not need to book a taxi in advance for Istanbul Airport. When you arrive Istanbul Airport, just follow Airport Taxi labels. If you can't see labels, find information desk and ask information desk where the taxis are departing. There is only one taxi company which controls all taxis in Istanbul Airport so all you need to find is the place where you can take taxi from. Whenever you arrive Istanbul Airport, you will definitely find a taxi available for you, prebook is not needed. Before taking taxi, it would be good to read our article for which the link given below.
https://isturkeysafe.com/Is-it-safe-to-take-taxi-in-Turkey