IATA Airport Code

GET/v0/iata/airport

Validates a 3-letter IATA airport code as defined by the International Air Transport Association. When recognised, the response includes the airport name, city, country, ICAO code, IANA timezone, and airport type. Useful for travel and booking applications.

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Query Parameters

Parameter	Type	Required	Description
value	string	Yes	3-letter IATA airport code (e.g. `WAW`, `JFK`, `LHR`). Input is case-insensitive.

Example Request

curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://api.isvalid.dev/v0/iata/airport?value=WAW"

Response Fields

Field	Type	Description
valid	boolean	Whether the value matches the IATA format (3 uppercase letters)
found	boolean	Whether the code is present in the built-in directory. Absent when `valid` is `false`
iata	string	Normalised (uppercase) IATA airport code
icao	string	4-letter ICAO code for the same airport
name	string	Full official name of the airport
city	string	City served by the airport
countryCode	string	ISO 3166-1 alpha-2 country code
countryName	string \| null	Full English name of the country
timezone	string	IANA timezone identifier (e.g. `Europe/Warsaw`)
type	string	`large_airport` or `medium_airport`

Example Response

{
  "valid": true,
  "found": true,
  "iata": "WAW",
  "icao": "EPWA",
  "name": "Warsaw Chopin Airport",
  "city": "Warsaw",
  "countryCode": "PL",
  "countryName": "Poland",
  "timezone": "Europe/Warsaw",
  "type": "large_airport"
}

Example Response — unknown code

{ "valid": true, "found": false }

Example Response — invalid format

{ "valid": false }