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GET
Read a named source market series
Fetch fresh official FHFA quarterly Purchase-Only state HPI for this account’s retained market ID. series=purchase_only_sa or purchase_only_nsa; unit index_1991_q1_100. Optional inclusive from/to must be quarter-start dates (YYYY-01/04/07/10-01), 1991 onward. Periods are quarter-start dates. Costs 50 credits per successful dataset request; no results in range returns404 with zero credits. Published history is revised and release-lagged. Includes source methodology, attribution and low-sample warning where provided. Not median price, property valuation, rents, comparables or property transaction history. Selectors expire after24h; existing7-day idempotency replay remains a prior response snapshot.
Check live capabilities before calling. Source: FHFA House Price Index®. Both operations fetch fresh official data and cost50 credits on success; errors and idempotent replays cost0. Published history can be revised.

Authorizations

x-api-key
string
header
required

Path Parameters

market_id
string
required
Minimum string length: 1

Query Parameters

series
string
required
from
string<date>
to
string<date>

Response

Successful response; meta discloses source completeness

data
object
required
meta
object
required