Japan Government Tenders (KKJ Portal)

Search public tender notices from Japan's national ministries, independent administrative agencies and local governments in one place, and get them as clean JSON.

This Actor uses the official search API of the 官公需情報ポータルサイト (Kankoju Information Portal), run for the Small and Medium Enterprise Agency of Japan: https://www.kkj.go.jp/s/. No API key is needed.

What you get

One row per tender notice:

Field	Example
title	清掃業務委託
organization	国立研究開発法人国立がん研究センター
prefecture / city	東京都 / 中央区
category / categoryJa	services / 役務
procedureTypeJa	一般競争入札
publishedDate, tenderStartDate, openingDate, deliveryDeadline	2026-10-26 (YYYY-MM-DD)
noticeUrl, attachments	links to the notice on the ordering organization's site
description	first 500 characters of the notice text (or all of it with Include full notice text)
matchedKeywords	which of your keywords found this notice
source, sourceUrl	the data source and a link to the portal

Values are kept in Japanese as published; field names are English. Fields the portal does not have for a notice are null.

How to use

• Keywords: Japanese words, one search per word, e.g. 清掃 (cleaning), システム (IT system), 印刷 (printing), 警備 (security). You can write 清掃 AND 病院 or 印刷 OR 製本 inside one word. Up to 20 words per run.
• Prefectures: Tokyo, 東京都 or 13. Empty = all of Japan.
• Organization name, category (goods / construction / services), procedure type, date range of the notice.
• If you give no dates, the last 7 days are searched.
• At least one keyword, prefecture or organization name is required.

The same notice found by two keywords is returned once, with both keywords in matchedKeywords. The log shows how many notices matched and how many were returned (at most 1000 per keyword — narrow the search to see more).

Good to know

• The portal adds notices about one day after the ordering organization publishes them, and does not guarantee that every notice is included. Always check the original notice (noticeUrl) before you bid.
• To keep the load on the public service small, this Actor sends one request at a time, 1.5 seconds apart, and at most 20 requests per run (retries included). Searches that cannot run are skipped and shown in the log.
• With Include full notice text, one run returns at most 2000 notices: the max results per keyword is lowered up front (for example 3 keywords → 666 each).
• Some fields (e.g. category, deadlines) are not filled for every notice by the portal.
• Notice texts are public documents from the ordering organizations and can include the names of officials (for example the head of the organization who signs the notice). They are returned as published. If you store or reuse them, follow the personal-data laws that apply to you.

Data source and terms

This Actor uses the search API of the 官公需情報ポータルサイト (https://www.kkj.go.jp/s/). Use of the data follows the portal's terms of use (https://www.kkj.go.jp/s/?tc=1). The portal and the ordering organizations do not guarantee the content; you use the information at your own responsibility. This Actor is not made or endorsed by the portal's operator.