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FHFA House Price Index Lookup
x402
FHFA House Price Index Lookup is a paid API for AI agents from payai.agentstools.dev, paid per call via x402, $0.015/call, status unknown (last checked 2026-09-15).
Returns the FHFA House Price Index for a US geography, including current index level, YoY/QoQ/5-year growth rates, momentum flags, and recent history.
Price / call$0.015
Success—
StatusUnknown
How this service works
The FHFA House Price Index for a geography: the current index level plus year over year, quarter over quarter and five year growth, with momentum flags and a short history. State and metro CBSA levels are covered directly; county and ZIP resolve to the state level index. Public domain, US only.
Output
Returns the current FHFA House Price Index level for the requested geography, along with year-over-year, quarter-over-quarter, and 5-year percentage growth figures, momentum flags indicating whether growth is accelerating or decelerating, and a short historical series of recent index observations. County and ZIP inputs resolve to the state-level index.
Example use cases
Home buyer market research
“I'm thinking of buying a home in Austin, Texas — can you pull the FHFA house price index for there and tell me how prices have moved year over year and whether the market is gaining or losing momentum?”
Real estate investment due diligence
“I'm evaluating a rental property investment in the Charlotte CBSA. Can you get the current FHFA HPI, the 5-year growth rate, and the last 12 quarters of price history so I can see the trend?”
State-level market comparison
“Compare home price momentum between Florida and Colorado — I need the current FHFA HPI, year-over-year change, and whether prices are accelerating or decelerating in each state.”
Technical details
Endpoint
GEThttps://payai.agentstools.dev/realestate/pricesWhen to prefer
Use this endpoint when you need official US government housing price index data (FHFA HPI) for states, metro CBSAs, counties, or ZIP codes, including growth rates and momentum signals. Prefer this over commercial real estate APIs when public-domain, authoritative benchmark data is required for research, investment analysis, or compliance purposes. Note that county and ZIP inputs resolve to state-level granularity.
Side effects
- Invalid or unrecognized geo input returns an error
- Non-US geographies are not supported
- Range parameter out of bounds (must be 1–40) returns validation error
- Ambiguous geo string with type='auto' may resolve to unexpected geography level
- County FIPS or ZIP resolves to state-level only, not fine-grained local data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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