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Chishiru Japan Land Price API
x402
Chishiru Japan Land Price API is a paid API for AI agents from api.chishiru.jp, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-11).
Returns official land price data for a given geographic coordinate in Japan, sourced from government open data.
Price / call$0.05
Success—
StatusUnknown
How this service works
Pay-per-call land data for any point in Japan from government open data: zoning, hazard zones, land prices, evacuation sites, earthquake records, climate, terrain, ground motion. x402 (USDC on Base), no API key.
Output
Returns a JSON object containing land price data for the queried coordinate, including a land_id (encoded lat/lng/resolution), zoning module data with building coverage ratio (bcr_pct), floor area ratio (far_pct), Japanese zone name (zone_ja), use area classification (use_area_ja), a receipt object with receipt ID and expiry, and API version metadata.
Example use cases
Tokyo property investment due diligence
“I'm considering buying land in Tokyo near Shibuya — can you pull the official government land price and zoning classification for coordinates 35.6595° N, 139.7004° E so I know the assessed value and what can be built there?”
Japan real estate app data enrichment
“I have a listing at 34.6937° N, 135.5023° E in Osaka — fetch the official land price data from Chishiru so I can show buyers the government-assessed value and use area designation on the listing page.”
Pre-purchase hazard and price check
“Before I make an offer on a property at 35.1815° N, 136.9066° E in Nagoya, can you look up the official land price from government records so I can compare it to the asking price?”
Technical details
Endpoint
GEThttps://api.chishiru.jp/v1/land/price?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need official Japanese government land price and zoning data for a specific geographic point, especially for real estate due diligence, property valuation, or geospatial enrichment in Japan. It is uniquely suited for agents needing authoritative per-coordinate land assessments without requiring an API key, using pay-per-call USDC micropayments via x402.
Side effects
- Coordinate outside Japan — no land record exists for the given lat/lng
- Coordinates in unpopulated or rural area with no government land price record
- Invalid lat/lng format causing request rejection
- Payment failure via x402/USDC resulting in 402 response before data is returned
- Rate limiting or service unavailability returning 5xx error
Output
Schema · Response
{
"type": "json",
"example": {
"land_id": "35.6810_139.7670_500",
"modules": {
"zoning": {
"data": {
"bcr_pct": 80,
"far_pct": 900,
"zone_ja": "市街化区域",
"use_area_ja": "商業地域"
},
"status": "ok"
}
},
"receipt": {
"id": "rcpt_...",
"expires_at": "..."
},
"service": "land",
"api_version": "1"
}
}Tags
x402
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