The Travelport iOS Sample Code by Travelport demonstrates API interaction. Developers can integrate hotel booking into live mobile applications. REST architecture details are available at https://support.travelport.com/webhelp/JSON/Content/Overview.htm
Riders on New York City subways are subject to all sorts of sights. For several months, that has included prominent advertisements for the MTA API, the developer program of New York City's transit company. The ad (pictured below) includes the headline, "Our apps are whiz kid certified."
Cabforce; advanced booking service for taxis, minibuses and executive cars; just announced its Cabforce Taxi Content Hub. The new offering provides the Taxi API that developers can integrate with third party travel applications to retrieve routes and rates as well as book flat-rate rides. The API grants full access to Cabforce's platform which organizes a fleet of more than 10,000 cabs and private cars throughout Europe and New York.