This REST API uses API key for authentication and queries for specific airlines check-in links with output in JSON format. The most important feature of AirHex's API is that all data is up-to-date since AirHex release updates once a day which saves developers and managers time on content management when airlines changes logos/iata codes/names. AirHex is a service with daily updated supplemental travel content, which includes airline logos, airline check-in URL's and handy purified IATA database. This kind of content is required to build and improve travel websites and mobile apps UX and build additional services. All available content are matched with airline IATA codes.