3 Services from airport.openverbs.com

Fuzzy-search airports by name, city, or code with ranked results, optionally filtered by country or airport type

Finds airports nearest to a given latitude/longitude, ordered by great-circle distance, with optional filters for radius, result count, and airport type.

Returns detailed airport information (name, codes, city, country, coordinates, elevation, type) for a given 3-letter IATA or 4-character ICAO code.