API reference/Real Estate/House Price Index

House Price Index

free

Live data

Index level, 1-year and 5-year % change for the US, a state or a metro.

GET/api/v1/real-estate/house-prices

Data source

FHFA House Price IndexUS Federal Housing Finance Agency · public-domain · updates Monthly / quarterly

Query parameters

Parameter	Description	Try value
`place` string	USA (default), state code, or metro id
`periods` number	History length (default 12)
`apikey` string required	Your API key. Can also be sent as the `X-API-Key` header.	demo key used here

Response envelope

Success: { data, meta: { sources, fetchedAt, cached } }. Errors: { error: { code, message } } with HTTP 400, 401, 404, 502, 503 or 504.

curl "https://api.sectorapi.com/api/v1/real-estate/house-prices?place=CA&apikey=YOUR_API_KEY"

Calls the live source

Example response

{
  "data": {
    "place": "CA",
    "name": "California",
    "level": "State",
    "series": "purchase-only, quarterly",
    "baseIndex": "1991 = 100",
    "latest": {
      "period": "2026-Q2",
      "index": 417.15
    },
    "changePct": {
      "oneYear": -0.2,
      "fiveYear": 17.31
    },
    "history": [
      {
        "period": "2026-Q2",
        "index": 417.15
      },
      {
        "period": "2026-Q1",
        "index": 419.76
      },
      {
        "period": "2025-Q4",
        "index": 419.4
      }
    ]
  }
}