{
  "slug": "prefectures",
  "title": "都道府県",
  "description": "日本の47都道府県。人口は令和2年（2020年）国勢調査、面積は国土地理院の全国都道府県市区町村別面積調（km²）。",
  "documentation": "/docs/prefectures",
  "count": 47,
  "idField": "code",
  "idAliases": [
    "name",
    "romaji",
    "isoCode"
  ],
  "fields": [
    "code",
    "name",
    "kana",
    "romaji",
    "capital",
    "capitalRomaji",
    "region",
    "area",
    "population",
    "isoCode"
  ],
  "searchFields": [
    "name",
    "kana",
    "romaji",
    "capital",
    "capitalRomaji",
    "region"
  ],
  "storage": "static",
  "endpoints": [
    {
      "path": "/prefectures",
      "description": "このAPIのメタ情報"
    },
    {
      "path": "/prefectures/all",
      "description": "全件取得",
      "query": [
        "limit",
        "offset",
        "sort",
        "order",
        "fields",
        "pretty"
      ]
    },
    {
      "path": "/prefectures/random",
      "description": "ランダムに1件（?count=n で複数、?seed= で再現可能）",
      "query": [
        "count",
        "seed",
        "fields",
        "pretty"
      ]
    },
    {
      "path": "/prefectures/search",
      "description": "部分一致検索（対象: name, kana, romaji, capital, capitalRomaji, region）",
      "query": [
        "q",
        "limit",
        "offset",
        "sort",
        "order",
        "fields",
        "pretty"
      ]
    },
    {
      "path": "/prefectures/fields",
      "description": "フィールド名の一覧"
    },
    {
      "path": "/prefectures/getCode",
      "description": "そのフィールドの全件分の値（?id= を付けると1件分）",
      "query": [
        "id",
        "unique",
        "pretty"
      ]
    },
    {
      "path": "/prefectures/:code",
      "description": "ID 指定で1件"
    },
    {
      "path": "/prefectures/:code/:field",
      "description": "1件の特定フィールドだけ"
    }
  ],
  "examples": [
    "/prefectures/13",
    "/prefectures/東京都",
    "/prefectures/Tokyo",
    "/prefectures/random",
    "/prefectures/all?sort=population&order=desc&limit=5",
    "/prefectures/getCapital",
    "/prefectures/search?q=九州"
  ]
}