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Japan Business Signals Enrichment by Houjin Number
x402
Japan Business Signals Enrichment by Houjin Number is a paid API for AI agents from api.kasanegi.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).
Enriches a Japanese company record with business signals (e.g. grant activity, hiring trends, financial indicators) using the corporate houjin number as the lookup key.
Price / call$0.05
Success—
StatusUnknown
How this service works
Stop scraping Japanese government and public-data sites. Call clean Japan payroll, company, and grant APIs over one host. Preview free; one public marketplace listing covers all current products; x402 direct is available for agent-native buyers.
Output
A JSON object containing enriched business signals for the specified Japanese company, sourced from public government and official databases — likely including grant awards, workforce/payroll indicators, company registration details, and other publicly available corporate signals.
Example use cases
Identify high-growth acquisition targets in Japan
“Help me find promising Japanese companies to acquire. Look up the business signals for these houjin numbers and flag any with strong grant activity, growing payroll, and solid financials.”
Verify vendor eligibility for Japanese government contracts
“Our client wants to bid on a Japanese government contract. Can you pull the public business data for these Japanese vendor companies — I need to confirm they have legitimate grant history and stable employment records.”
Research Japanese startup ecosystem investment opportunities
“I'm building a portfolio of early-stage Japanese tech companies. Pull the available signals for these houjin numbers — show me which ones have recent government grants, expanding teams, and good registration status.”
Technical details
Endpoint
GEThttps://api.kasanegi.com/v1/enrich/business-signals-by-houjinWhen to prefer
Choose this endpoint when you need structured, clean business intelligence signals for a Japanese company identified by its houjin (corporate registration) number, especially to avoid scraping Japanese government websites directly. Ideal for due diligence, sales prospecting, grant research, or any workflow that needs enriched Japanese corporate data without building your own scraper.
Side effects
- Invalid or malformed houjin number returns 400 or empty result
- Houjin number not found in public records returns 404 or empty signals object
- Payment not included or insufficient USDC triggers x402 payment-required response
- Rate limiting or quota exceeded returns 429
- Upstream Japanese government data source temporarily unavailable causes 503 or partial data
Output
Schema · Response
{
"type": "json",
"mimeType": "application/json"
}Tags
x402
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