{"endpoints":{"/closest-flight":{"description":"Find closest flight to coordinates","example":"/closest-flight?lat=37.7749&lon=-122.4194&radius=10&max_altitude=10000","method":"GET","parameters":{"lat":"Latitude (required, -90 to 90)","lon":"Longitude (required, -180 to 180)","max_altitude":"Altitude ceiling in feet (optional, non-negative). Flights above this altitude are ignored.","radius":"Search radius in km (optional, default 10, max 500)"}},"/flights-in-radius":{"description":"Find all flights within a given radius of coordinates","example":"/flights-in-radius?lat=37.7749&lon=-122.4194&radius=10&max_altitude=10000","method":"GET","parameters":{"lat":"Latitude (required, -90 to 90)","lon":"Longitude (required, -180 to 180)","max_altitude":"Altitude ceiling in feet (optional, non-negative). Flights above this altitude are ignored.","radius":"Search radius in km (optional, default 10, max 500)"}},"/health":{"description":"Health check","method":"GET"}},"service":"Flight Finder API","version":"1.0"}