> ## Documentation Index
> Fetch the complete documentation index at: https://enhancedradar.com/docs/api/llms.txt
> Use this file to discover all available pages before exploring further.

# List airlines

> Lists the airlines that the airline_id filter accepts.

Lists the airlines `airline_id` accepts. Airlines are ordered by `airline_id`.

## Response

**airlines** `array`

The airlines.

**airline**

**airline\_id** `integer`

Unique id of the airline. Pass it as `airline_id`.

**icao** `string`

Three-letter ICAO designator. Callsigns starting with it belong to the airline.

**iata** `string | null`

Two-letter IATA designator.

**telephony** `string | null`

Radio telephony designator, e.g. `UNITED`.

**name** `string`

Name of the airline.

## Billing

Free. See [Pricing](https://enhancedradar.com/docs/api/docs/api/pricing.md).

```bash cURL theme={null}
curl -H "Authorization: Bearer $ER_API_KEY" "https://api.enhancedradar.com/api/v0/airlines"
```

```json 200 theme={null}
{
  "airlines": [
    {
      "airline_id": 2,
      "icao": "AAB",
      "iata": null,
      "telephony": "ABG",
      "name": "ABELAG AVIATION"
    }
  ]
}
```


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