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Playground demo key · api.reefapi.com
post/japan-re/v1/areas1 credit

List Japan's 47 prefectures with their romaji slug, kanji name and SUUMO region/JIS codes — use it to discover or validate the `prefecture` value before searching. Pass an optional query to filter by name.

Parameters
request preview
curl -X POST https://api.reefapi.com/japan-re/v1/areas \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{}'

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Playground · ReefAPI