What it returns
HUD Fair Market Rents by bedroom for every metro, county and ZIP (Small Area FMR), Section 8 income limits with area median income, and the HUD-USPS ZIP crosswalk to tracts, counties, CBSAs and congressional districts.
Request
POST https://api.pushbuild.com/hud-fair-market-rents/run with a JSON body. Send your key in the X-API-Key header.
| Field | Type | Description |
|---|---|---|
mode | string: fmr, incomeLimits, zipCrosswalk | Fair Market Rents, income limits, or the ZIP crosswalk Default: "fmr". |
state | string | Two-letter code: every metro and county in the state |
areas | string | County FIPS (e.g. 08031) or HUD area codes (e.g. METRO19740M19740), comma separated |
zip | string | Keep only these ZIPs (Small Area FMR areas) |
year | integer | Fiscal year (default latest) |
query | string | ZIP, tract, county FIPS, CBSA or district, e.g. 80202 |
crosswalk | string: zip-county, zip-tract, zip-cbsa, zip-cbsadiv, zip-cd, zip-countysub, tract-zip, county-zip, cbsa-zip, cbsadiv-zip, cd-zip, countysub-zip | Crosswalk direction Default: "zip-county". |
quarter | integer | 1-4 (default latest) |
maxItems | integer | Maximum items to return (1-500). Default: 100. |
Example
curl -X POST https://api.pushbuild.com/hud-fair-market-rents/run \
-H "X-API-Key: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"state": "CO", "maxItems": 20}'Response
{"count": 20, "truncated": false, "seconds": 1.4, "items": [ { ... } ]}Each call returns up to 500 items. Records that fail validation or are not found are flagged in the items and not charged.
Pricing
Pay only for results returned: $0.08 per 1,000 rows. No charge for errors or empty searches.
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