Japan Public Tender Search — 日本入札情報検索 Actor

Search and monitor Japanese government procurement tenders from the official 官公需情報ポータルサイト（中小企業庁） API. Covers ~7,700 public agencies nationwide.

Data source: 官公需情報ポータルサイト（中小企業庁）https://www.kkj.go.jp/
Disclaimer: 入札参加判断は必ず原文（source_url）を確認のこと。

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What it does

This Actor provides two tools via Apify's MCP gateway:

Tool	Purpose	Typical use
search_tenders	One-shot keyword/prefecture/category search	Ad-hoc research, lead generation
get_new_tenders	Incremental diff — returns only records new since last run	Scheduled daily monitoring → Slack/email/Sheets

Results are returned as clean, normalized JSON (dates as YYYY-MM-DD, category as goods/construction/services, prefecture names resolved from JIS codes, attachments as name+URL pairs).

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Quick Start

Run on Apify

1. Click Try for free on the Actor page
2. Set at least one of: Keyword, Project Name, Organization, or Prefecture
3. Click Start
4. Results appear in the Dataset tab

Run via API / MCP

{
  "tool": "search_tenders",
  "keyword": "クラウド OR システム",
  "prefecture": "東京都",
  "category": "services",
  "max_results": 50
}

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Tools / Input Schema

Common parameters (both tools)

Parameter	Type	Description	Example
tool	string	search_tenders or get_new_tenders	"search_tenders"
keyword	string	Search expression. AND/OR/ANDNOT/NOT/() supported	"クラウド AND セキュリティ"
project_name	string	Filter by tender title (partial match)	"情報システム"
organization	string	Filter by contracting organization (partial match)	"国土交通省"
prefecture	string	Prefecture name or JIS code, comma-separated	"東京都,神奈川県" or "13,14"
category	enum	goods / construction / services	"services"
procedure_type	enum	open / simplified_open / simplified_designated	"open"
certification	string	Required grades, comma-separated	"A,B"
issued_from	date	Public notice date range start (YYYY-MM-DD)	"2026-01-01"
issued_to	date	Public notice date range end (YYYY-MM-DD)	"2026-12-31"
deadline_from	date	Submission deadline range start
deadline_to	date	Submission deadline range end
include_description	boolean	Include full announcement text (large)	false

At least one of keyword / project_name / organization / prefecture is required.

search_tenders only

Parameter	Type	Default	Description
max_results	integer	50	Max records returned (1–1000)

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Output Schema

Each record in the Dataset:

{
  "id": "base64-encoded key (unique tender ID)",
  "title": "案件名",
  "organization": "発注機関名 or null",
  "prefecture": "東京都 or null",
  "city": "千代田区 or null",
  "category": "goods | construction | services | null",
  "procedure_type": "open | simplified_open | simplified_designated | null",
  "certification": ["A", "B"],
  "issued_date": "2026-07-01",
  "tender_deadline": "2026-07-31 or null",
  "opening_date": "2026-08-01 or null",
  "delivery_deadline": "2026-09-30 or null",
  "location": "履行場所 or null",
  "item_code": "品目分類 or null",
  "description": "公告全文 (only when include_description=true) or null",
  "source_url": "https://...",
  "source_file_type": "pdf | html | null",
  "attachments": [{ "name": "仕様書", "url": "https://..." }],
  "fetched_at": "2026-07-07T03:00:00.000Z",
  "source": "官公需情報ポータルサイト（中小企業庁）https://www.kkj.go.jp/"
}

get_new_tenders additionally outputs a summary record with _type: "summary" containing new_count.

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Monitoring Setup — 新着入札の自動監視

1. Create a Task on Apify from this Actor
2. Set input: your search condition (keyword, prefecture, etc.) with tool: "get_new_tenders"
3. Schedule the Task: daily at 09:00 JST (0 0 * * * UTC)
4. Add a Webhook on Task completion:
   • Slack: use Apify's built-in Slack integration
   • Google Sheets: use the Apify → Google Sheets integration
   • Email: use Apify's email notification

The Actor persists seen tender IDs in Apify Key-Value Store, so each run returns only genuinely new tenders since the previous run.

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Pricing

Event	Price	When charged
apify-actor-start	$0.00005	Every run start
tender-record	$0.002	Each result returned by search_tenders
new-tender-found	$0.005	Each new tender found by get_new_tenders

Rough monthly cost examples:

• Ad-hoc search (100 results/month): ~$0.20
• Daily monitoring, 1 condition, ~2 new tenders/day: ~$0.30/month
• Daily monitoring, 5 conditions, ~10 new tenders/day: ~$1.50/month

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Data Source & Attribution

Data is retrieved from the 官公需情報ポータルサイト operated by the 中小企業庁 (Small and Medium Enterprise Agency, Japan).

• Portal: https://www.kkj.go.jp/
• API guide: https://www.kkj.go.jp/doc/ja/api_guide.pdf

This Actor uses the official public API and does not scrape HTML pages.

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Limitations

• Coverage is not exhaustive. Agencies using password-protected procurement systems are excluded. Some agencies may publish with a delay or not at all.
• ~1 day lag. Tenders appear on the portal approximately one business day after the agency publishes them.
• URLs may expire. source_url and attachment URLs point to agency websites that may remove files after the tender closes.
• National agencies only for award results. search_award_results (v0.2, coming soon) will only cover agencies using the government GEPS system — local government award results are not included.
• This Actor does not automate bid submission or any official procurement process.