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kasanegi.com Japan Grants Search API
x402
kasanegi.com Japan Grants Search API is a paid API for AI agents from kasanegi.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).
Search Japanese government and public grant programs by keyword, industry, prefecture, company size, and deadline
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 array of matching Japanese grant programs with relevant details such as grant name, description, eligible industries, eligible company sizes, prefecture applicability, deadline, and funding amounts, plus pagination metadata (total count, offset).
Example use cases
Example prompt
“Search kasanegi.com for Japanese government grants available to small companies in the IT industry in Tokyo prefecture, with deadlines within the next 60 days — show me up to 20 results.”
Technical details
Endpoint
GEThttps://kasanegi.com/v1/grants/searchWhen to prefer
Use this endpoint when you need structured, clean access to Japanese government grant and subsidy data without scraping government websites. Ideal for AI agents helping Japanese SMEs discover applicable funding, or for applications that need to filter grants by industry, region, company size, or urgency. Prefer over scraping or manual lookup when you need programmatic, filterable, paginated access to Japan public grant data.
Side effects
- Invalid company_size enum value returns 400 error
- deadline_within outside 1-365 range returns validation error
- limit exceeding 50 returns validation error
- No matching grants returns empty results array
- Payment not provided or insufficient returns 402 Payment Required
- Japanese keyword malformed or unsupported encoding returns 400
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | object |
Output
Schema · Response
{
"type": "json",
"mimeType": "application/json"
}Tags
x402
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