Japan Government Data API
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Pay per usage
Search Japanese government procurement, e-Gov open data catalog, and jGrants subsidies via SIP Public Data Gateway API.
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Pay per usage
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kane liu
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13 hours ago
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You can access the Japan Government Data API 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 Integrations settings in Apify Console.
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Each term is searched across all enabled sources in parallel.", "items": { "type": "string" } }, "includeOpenDataPortal": { "title": "Include e-Gov open data catalog", "type": "boolean", "description": "Search Japan's central e-Gov open data catalog for datasets, statistical collections, and ministry open data.", "default": true }, "includeProcurement": { "title": "Include Cabinet Office procurement", "type": "boolean", "description": "Search Cabinet Office procurement and tender notice links.", "default": true }, "includeSubsidies": { "title": "Include jGrants subsidies", "type": "boolean", "description": "Search Japan's jGrants subsidy program listings.", "default": true }, "maxResultsPerSource": { "title": "Max results per source", "minimum": 1, "maximum": 200, "type": "integer", "description": "Maximum records to return per data source (gateway caps at 200).", "default": 50 }, "keyword": { "title": "Legacy keyword (deprecated)", "type": "string", "description": "Backward-compatibility field for older runs. Prefer searchTerms." }, "sources": { "title": "Legacy sources (deprecated)", "type": "array", "description": "Backward-compatibility field for older runs. Prefer includeOpenDataPortal / includeProcurement / includeSubsidies.", "items": { "type": "string", "enum": [ "egov_catalog", "cao_procurement", "jgrants" ] }, "default": [ "egov_catalog", "cao_procurement", "jgrants" ] }, "maxResults": { "title": "Legacy max results (deprecated)", "minimum": 1, "maximum": 200, "type": "integer", "description": "Backward-compatibility field for older runs. 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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 Data API from the options below:
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