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Locus House Price Index & Property Scan
x402
Locus House Price Index & Property Scan is a paid API for AI agents from api.locus.report, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Scans local records, parcel rules, and risk signals for a US property to surface factors affecting its use, cost, plans, or future value.
Price / call$0.05
Success—
StatusUnknown
How this service works
FHFA house price index trend for a state. Perfect for: 'house price index for a state', 'home price appreciation in a state', 'HPI year-over-year for an area', 'state home price trend', 'how much have home prices risen in a state'. Returns the FRED-hosted FHFA all-transactions HPI for the state of a US point: latest index, year-over-year percent change, and units. State-level. Historical index, not a forecast. Key-gated (FRED); charge-free when unkeyed, on failure, or no data.
Output
Returns a JSON object with a report ID, list of caveats, local records array, and a generation timestamp — surfacing parcel rules, risk signals, and factors that may affect the property's use, cost, development plans, or future value.
Example use cases
Example prompt
“Can you run a Locus property scan on 742 Evergreen Terrace, Springfield, IL to check local records, parcel rules, and any risk signals that might affect its value or future use?”
Technical details
Endpoint
POSThttps://api.locus.report/api/locus-house-price-indexWhen to prefer
Use this endpoint when you need a quick, low-cost ($0.05) preliminary scan of local records, parcel rules, and risk signals for a US property — especially useful before a purchase decision, development plan, or investment analysis. Prefer this over full property data APIs when you need a fast early-stage signal rather than a comprehensive appraisal.
Side effects
- Missing both address and zip returns a validation error
- Invalid or unrecognized US address may return empty records array
- Non-US addresses are not supported
- Payment of 0.05 USDC not fulfilled returns 402 Payment Required
- Malformed JSON input returns 400 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| address | string | |
| latitude | number | |
| longitude | number |
Output
Schema · Response
{
"type": "json",
"example": {
"id": "locus_example",
"caveats": [
"Example artifact; not live data."
],
"records": [],
"generatedAt": "2026-01-01T00:00:00.000Z"
}
}Tags
x402
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