A Flight API is a way for travel websites, apps, and booking systems to get real-time flight information from airlines and global distribution systems. It lets developers add features like searching for flights, checking availability, pricing, booking, and managing tickets to their platforms. Businesses can give users up-to-date schedules, fare comparisons, and easy booking experiences by using a flight API. It makes things easier, cuts down on manual work, and makes operations run more smoothly. Flight APIs often come with extra features like choosing seats, managing baggage, and cancellations. These features are necessary for building modern travel portals and making customers happier by providing quick and reliable booking options.