# Japan Grants Detail API

> Japan Grants Detail API is a paid API for AI agents from api.kasanegi.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).

Returns detailed information about a specific Japanese government grant by ID

## Facts

- Endpoint: GET https://api.kasanegi.com/v1/grants/detail
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/japan-grants-detail-api-6ec80478
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_UZvu5knpgy3b_eeL7wvFp

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability japan-grants-detail-api-6ec80478
```

Example prompt: Can you pull up the full details for Japanese government grant ID J-2024-0512 — I need the eligibility requirements, funding amount, application deadline, and the administering ministry.

## When to prefer this

Use this endpoint when you have a specific Japanese government grant ID and need full structured details about it — eligibility, funding amounts, deadlines, and administering body — without scraping Japanese government websites. Ideal for AI agents doing due diligence on grant opportunities for Japanese businesses or startups.

## Known failure modes

- Invalid or unknown grant ID returns 404 or empty result
- Missing required grant ID parameter returns 400 bad request
- Payment not provided or insufficient USDC returns 402 payment required
- Rate limiting or quota exceeded returns 429
- Grant data temporarily unavailable returns 503

## 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 structured details about a specific Japanese government grant, including name, description, eligibility criteria, funding amounts, application deadlines, and the administering government body.

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "mimeType": "application/json"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/japan-grants-detail-api-6ec80478/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.kasanegi.com](https://www.zero.xyz/host/api.kasanegi.com/llms.txt)