The Airport Info API is a comprehensive database of airports worldwide, providing detailed information about each airport using both IATA and ICAO codes. It allows developers to access this information without having to build their own databases, making it ideal for building tracking applications, online flight booking apps, and other travel-related services. The API offers various benefits such as speed, cost-effectiveness, geolocation data, search engine friendliness, and seamless integration with various platforms. It is a must-have API for developers targeting the airline industry and can be easily integrated using languages like Python, PHP, Ruby, and JavaScript.