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Japan Government Subsidies & Grants (jGrants)

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Open Japanese government subsidy calls (補助金) from the official jGrants public API run by the Digital Agency. English field schema, source attribution embedded in every record, optional per-subsidy detail enrichment.

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JP Open Data

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21 days ago

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Lead generation

Automation

You can access the Japan Government Subsidies & Grants (jGrants) programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

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      "inputSchema": {
        "type": "object",
        "properties": {
          "keyword": {
            "title": "Keyword",
            "type": "string",
            "description": "Optional, default 補助金 (\"subsidy\", matches broadly). Full-text search keyword, minimum 2 characters (upstream API requirement; Japanese works best, e.g. IT導入, ものづくり, 創業).",
            "default": "補助金"
          },
          "acceptanceOnly": {
            "title": "Currently accepting only",
            "type": "boolean",
            "description": "Optional, default true. If enabled, only subsidies whose application window is currently open are returned (upstream acceptance=1). Disable to include closed/upcoming calls.",
            "default": true
          },
          "includeDetail": {
            "title": "Fetch per-subsidy detail",
            "type": "boolean",
            "description": "Optional, default false. If enabled, the actor calls the detail API once per record (politeness-throttled, ~1 record / 1.2 s) and adds usePurpose, industry, subsidyRate, application periods, and attachment METADATA (file names only — binaries are never downloaded). Each detail is one API request, so coverage is capped by `maxApiRequests`.",
            "default": false
          },
          "usePurpose": {
            "title": "Use purpose (利用目的)",
            "type": "string",
            "description": "Optional server-side filter. Must match one of the portal's Japanese labels verbatim, e.g. 新たな事業を行いたい, 設備整備・IT導入をしたい, 販路拡大・海外展開をしたい, 研究開発・実証事業を行いたい, 人材育成を行いたい, 資金繰りを改善したい, まちづくり・地域振興支援がほしい. A non-matching value is not an error: the run completes with 0 items and a warning (see README \"Empty results?\")."
          },
          "industry": {
            "title": "Industry (業種)",
            "type": "string",
            "description": "Optional server-side filter. Japan Standard Industrial Classification division label in Japanese, verbatim — e.g. 製造業, 情報通信業, 建設業, 卸売業、小売業, 宿泊業、飲食サービス業, 医療、福祉. A non-matching value is not an error: the run completes with 0 items and a warning."
          },
          "targetAreaSearch": {
            "title": "Target area (対象地域)",
            "enum": [
              "",
              "全国",
              "北海道",
              "青森県",
              "岩手県",
              "宮城県",
              "秋田県",
              "山形県",
              "福島県",
              "茨城県",
              "栃木県",
              "群馬県",
              "埼玉県",
              "千葉県",
              "東京都",
              "神奈川県",
              "新潟県",
              "富山県",
              "石川県",
              "福井県",
              "山梨県",
              "長野県",
              "岐阜県",
              "静岡県",
              "愛知県",
              "三重県",
              "滋賀県",
              "京都府",
              "大阪府",
              "兵庫県",
              "奈良県",
              "和歌山県",
              "鳥取県",
              "島根県",
              "岡山県",
              "広島県",
              "山口県",
              "徳島県",
              "香川県",
              "愛媛県",
              "高知県",
              "福岡県",
              "佐賀県",
              "長崎県",
              "熊本県",
              "大分県",
              "宮崎県",
              "鹿児島県",
              "沖縄県"
            ],
            "type": "string",
            "description": "Optional server-side filter: 全国 (nationwide programmes) or one prefecture (programmes targeting that prefecture). Via API the English name (\"Tokyo\"), JIS code (\"13\") or Japanese name is accepted and mapped to the portal label.",
            "default": ""
          },
          "targetNumberOfEmployees": {
            "title": "Target company size (従業員数)",
            "enum": [
              "",
              "従業員数の制約なし",
              "5名以下",
              "20名以下",
              "50名以下",
              "100名以下",
              "300名以下",
              "900名以下",
              "901名以上"
            ],
            "type": "string",
            "description": "Optional server-side filter on the eligible company size (portal labels, verbatim).",
            "default": ""
          },
          "sort": {
            "title": "Sort by",
            "enum": [
              "acceptance_end_datetime",
              "acceptance_start_datetime",
              "created_date"
            ],
            "type": "string",
            "description": "Optional, default acceptance_end_datetime (application deadline, soonest first with order=ASC).",
            "default": "acceptance_end_datetime"
          },
          "order": {
            "title": "Sort order",
            "enum": [
              "ASC",
              "DESC"
            ],
            "type": "string",
            "description": "Optional, default ASC.",
            "default": "ASC"
          },
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            "title": "Max items",
            "minimum": 1,
            "maximum": 5000,
            "type": "integer",
            "description": "Optional, default 100. Maximum number of records to output (1..5000). The list API returns the full hit set in one request; this truncates client-side (after upstream sorting).",
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          },
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            "title": "Max API requests per run",
            "minimum": 1,
            "maximum": 200,
            "type": "integer",
            "description": "Optional, default 60. Hard safety cap on upstream API requests in one run (1 request is the list; with includeDetail each record costs 1 more). When the cap is hit the run still SUCCEEDS with the records collected so far (remaining records carry list-level fields only).",
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          },
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            "title": "Proxy configuration",
            "type": "object",
            "description": "Optional. Apify proxy settings. Default: NO proxy (direct connection works). The actor backs off exponentially on 429/5xx and fails visibly on a persistent block — it never attempts rate-limit evasion.",
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              "useApifyProxy": false
            }
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              "defaultKeyValueStoreId": {
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              "defaultDatasetId": {
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              "usage": {
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  }
}

Japan Government Subsidies & Grants (jGrants) OpenAPI definition

OpenAPI is a standard for designing and describing RESTful APIs, allowing developers to define API structure, endpoints, and data formats in a machine-readable way. It simplifies API development, integration, and documentation.

OpenAPI is effective when used with AI agents and GPTs by standardizing how these systems interact with various APIs, for reliable integrations and efficient communication.

By defining machine-readable API specifications, OpenAPI allows AI models like GPTs to understand and use varied data sources, improving accuracy. This accelerates development, reduces errors, and provides context-aware responses, making OpenAPI a core component for AI applications.

You can download the OpenAPI definitions for Japan Government Subsidies & Grants (jGrants) from the options below:

OpenAPI.json

If you’d like to learn more about how OpenAPI powers GPTs, read our blog post.

You can also check out our other API clients:

Japan Government Subsidies & Grants (jGrants) API in Python

Japan Government Subsidies & Grants (jGrants) API in JavaScript

Japan Government Subsidies & Grants (jGrants) API through CLI

Japan Government Subsidies & Grants (jGrants) API

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