curl --request GET \
  --url https://api.liteapi.travel/v3.0/data/iataCodes \
  --header 'X-API-Key: <api-key>'

{
  "data": [
    {
      "code": "AAA",
      "name": "Anaa Airport",
      "latitude": -17.3526,
      "longitude": -145.51,
      "countryCode": "PF"
    },
    {
      "code": "AAB",
      "name": "Arrabury Airport",
      "latitude": -26.693,
      "longitude": 141.048,
      "countryCode": "AU"
    },
    {
      "code": "AAC",
      "name": "El Arish International Airport",
      "latitude": 31.0733,
      "longitude": 33.8358,
      "countryCode": "EG"
    },
    {
      "code": "AAD",
      "name": "Adado Airport",
      "latitude": 6.0958,
      "longitude": 46.6375,
      "countryCode": "SO"
    }
  ]
}