The Air-Port-Codes API is an information retrieval solution for broad categories of datasets in the global air transport industry. Its provider is a leading vendor of customized airport code data for the global air travel industry. The API is anchored on the multi, single, and countries endpoints that support the finding of airport lists on the basis of search terms, finding of a particular airport on the basis of an IATA code, and the retrieval of ISO’s for all countries, respectively. Although the API is compatible with any programming language, the provider recommends the use of AJAX request and CURL script on the front end and backend, respectively. The Air-Port-Codes API is a full release that is accompanied by sufficient documentation. It returns JSON formatted responses and is accessible in four different plants ranging between USD5 and USD100.