{"uid":"cap_vU7oI69SjzHkQe_FdDErt","slug":"fhfa-house-price-index-lookup-1248b23e","name":"FHFA House Price Index Lookup","description":"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.","url":"https://payai.agentstools.dev/realestate/prices","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["geo"],"properties":{"geo":{"type":"string","description":"A state, metro CBSA code, county FIPS, ZIP, or address"},"type":{"enum":["auto","state","county","cbsa","zip","address"],"type":"string","description":"How to read geo (auto reads a 5-digit number as a ZIP)"},"range":{"type":"integer","maximum":40,"minimum":1,"description":"Most recent N index observations of history"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.015","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_z954-E6Ir-SL2cixfU1Go","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"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.","exampleAgentPrompt":"What's the current FHFA House Price Index for the Denver metro area, and how has it changed year over year and over the last 5 years? Show me the last 8 quarters of history.","exampleUseCases":[{"title":"Home buyer market research","prompt":"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?"},{"title":"Real estate investment due diligence","prompt":"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?"},{"title":"State-level market comparison","prompt":"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."}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:55:37.425Z","isFirstParty":false}