Concentration

# How dependent a destination is on its markets
curl "https://api.tourismapi.com/v1/stats/concentration?country=JP" \
  -H "X-API-Key: $TOURISM_API_KEY"

const res = await fetch("https://api.tourismapi.com/v1/stats/concentration?country=JP", {
  headers: { "X-API-Key": process.env.TOURISM_API_KEY }
});
if (!res.ok) throw new Error(`Tourism API ${res.status}`);
const { meta, data } = await res.json();
console.log(meta.data_as_of, data);

import os, requests

r = requests.get(
    "https://api.tourismapi.com/v1/stats/concentration?country=JP",
    headers={"X-API-Key": os.environ["TOURISM_API_KEY"]},
    timeout=10,
)
r.raise_for_status()
body = r.json()
print(body["meta"]["data_as_of"], body["data"])

$ch = curl_init("https://api.tourismapi.com/v1/stats/concentration?country=JP");
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER     => ["X-API-Key: " . getenv("TOURISM_API_KEY")],
]);
$body = json_decode(curl_exec($ch), true);
print_r($body["data"]);

{
    "meta": {
        "request_id": "req_9de815f403",
        "data_as_of": "2026-10-20T04:48:18Z",
        "count": 1,
        "country": "JP",
        "method": {
            "window": "2025-09 to 2026-08",
            "markets": 39,
            "top": {
                "South Korea": 26.5,
                "Taiwan": 18.9,
                "China": 13,
                "United States": 8.5,
                "Hong Kong": 6.6
            },
            "scale": "Herfindahl index 0 to 10000 on percentage shares"
        }
    },
    "data": {
        "hhi": 1391,
        "top3_share_pct": 58.5,
        "window": "2025-09 to 2026-08",
        "markets": 39,
        "top": {
            "South Korea": 26.5,
            "Taiwan": 18.9,
            "China": 13,
            "United States": 8.5,
            "Hong Kong": 6.6
        }
    }
}