日本の当局の更新一覧Japan Authority Updates (FSA・BOJ・MOF)

金融庁・日本銀行・財務省の新着情報 RSS を 5 分ごとに読み、各項目を JSON で返す API です。AI エージェントが x402(USDC)で 1 回ごとに払って使います。

An API that reads the "what's new" RSS feeds of Japan's Financial Services Agency (FSA), Bank of Japan (BOJ) and Ministry of Finance (MOF) every 5 minutes and returns the items as JSON. AI agents pay per call with x402 (USDC).

Machine-readable summary: https://sition-data-api.sition-data-api-worker.workers.dev/llms.txt

情報源 / Sources

authority当局 / AuthorityRSS
FSA金融庁 / Financial Services Agencyhttps://www.fsa.go.jp/fsaNewsListAll_rss2.xml
BOJ日本銀行 / Bank of Japanhttps://www.boj.or.jp/rss/whatsnew.xml
MOF財務省 / Ministry of Financehttps://www.mof.go.jp/news.rss

項目の中身 / Item fields

窓口と値段 / Endpoints and prices

endpoint値段 / priceparameters内容 / returns
GET /v1/health無料 / free—健康状態(feed_status)だけ
Feed health (feed_status) only.
GET /v1/jp-authorities/preview無料 / free—1 時間以上前に公開された項目のうち新しい 3 件(authority・title_ja・published_at だけ)
The newest 3 items published at least 1 hour ago (authority, title_ja, published_at only).
GET /v1/jp-authorities/latest$0.02—Japanese authority (FSA, BOJ, MOF) updates published in the last 24 hours.
GET /v1/jp-authorities/since$0.01t: ISO-8601 timestamp with Z or ±hh:mm (not in the future). Returns items with observed_at > t, oldest first.Japanese authority (FSA, BOJ, MOF) updates first observed after timestamp t.
GET /v1/jp-authorities/search$0.05from: YYYY-MM-DD (00:00:00Z) or ISO-8601 timestamp. Returns items with published_at >= from.
to(任意 / optional): YYYY-MM-DD (23:59:59Z) or ISO-8601 timestamp; default now. At most 92 days after from.
authority(任意 / optional): FSA, BOJ or MOF.
Search Japanese authority (FSA, BOJ, MOF) updates by publication date range and authority.

有料の窓口は items・count・truncated・feed_status・source_note・generated_at を返します。latest と search は published_at の新しい順、since は observed_at の古い順で、どれも最大 500 件です。 / Paid endpoints return items, count, truncated, feed_status, source_note and generated_at. latest and search are newest published first; since is oldest observed first; each returns at most 500 items.

使い方の決まり / Rules

MCP

POST https://sition-data-api.sition-data-api-worker.workers.dev/mcp — MCP streamable HTTP(セッションなし・JSON 応答) / stateless, JSON responses. 有料のツールは x402 の MCP 方式です。払わずに呼ぶと、PaymentRequired を structuredContent に入れたエラー結果が返ります。支払いは _meta["x402/payment"] に付けて呼び直します。 / Paid tools use the x402 MCP transport: an unpaid call returns an error result with PaymentRequired in structuredContent; retry with the payment in _meta["x402/payment"]. 入力の誤り・stale・未開店は、支払いを求めずにエラー結果を返します。 / Bad input, stale and not-open return an error result without asking for payment.

tool値段 / pricearguments
jp_authorities_health無料 / free—= GET /v1/health
jp_authorities_latest$0.02—= GET /v1/jp-authorities/latest
jp_authorities_since$0.01t= GET /v1/jp-authorities/since
jp_authorities_search$0.05from, to?, authority?= GET /v1/jp-authorities/search

支払い / Payment

応答の例 / Example response (latest; values are examples)

{
  "items": [
    {
      "id": "fsa-20261027-1a2b3c4d",
      "authority": "FSA",
      "authority_ja": "金融庁",
      "title_ja": "信用格付業者の登録について公表しました。",
      "summary_ja": "",
      "url": "https://www.fsa.go.jp/news/r8/shouken/20261027/20261027.html",
      "published_at": "2026-10-27T06:00:00Z",
      "observed_at": "2026-10-27T06:00:18Z",
      "source_feed": "https://www.fsa.go.jp/fsaNewsListAll_rss2.xml",
      "backfilled": false
    },
    {
      "id": "boj-20261027-5e6f7a8b",
      "authority": "BOJ",
      "authority_ja": "日本銀行",
      "title_ja": null,
      "summary_ja": null,
      "url": "https://www.boj.or.jp/...",
      "published_at": "2026-10-27T05:30:00Z",
      "observed_at": "2026-10-27T05:33:02Z",
      "source_feed": "https://www.boj.or.jp/rss/whatsnew.xml",
      "backfilled": false
    }
  ],
  "count": 2,
  "truncated": false,
  "feed_status": {
    "last_checked_at": "2026-10-27T06:05:00Z",
    "stale": false,
    "feeds": {
      "FSA": {
        "last_ok_at": "2026-10-27T06:05:00Z",
        "last_error": null
      },
      "BOJ": {
        "last_ok_at": "2026-10-27T06:05:01Z",
        "last_error": null
      },
      "MOF": {
        "last_ok_at": "2026-10-27T06:05:02Z",
        "last_error": null
      }
    }
  },
  "source_note": "出典: 金融庁・日本銀行・財務省の各公式サイト(各項目の url)",
  "generated_at": "2026-10-27T06:07:41Z"
}

権利と出典 / Rights and attribution

運営 / Operator: SITION — https://sition.jp