Developer Portal

Programmatic access to FMR, Income Limits, and CHAS data. Try requests live, then ship with the SDK of your choice.

Interactive explorer

Endpoint

Year

Geography

GET https://www.huduser.gov/hudapi/public/fmr/data/2026/DC

Response

200 OK

{
  "year": "2026",
  "state": "DC",
  "area_name": "Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area",
  "fmr": {
    "studio": 1872,
    "one_br": 1986,
    "two_br": 2412,
    "three_br": 3115,
    "four_br": 3702
  },
  "metadata": {
    "calculation_method": "40th percentile gross rent",
    "source": "ACS 5-year + CPI rent index"
  }
}

Code samples

curl

Python

JavaScript

curl -H "Authorization: Bearer $HUD_TOKEN" \
  "https://www.huduser.gov/hudapi/public/fmr/data/2026/DC"

import requests

r = requests.get(
    "https://www.huduser.gov/hudapi/public/fmr/data/2026/DC",
    headers={"Authorization": f"Bearer {token}"},
)
print(r.json())

const res = await fetch("https://www.huduser.gov/hudapi/public/fmr/data/2026/DC", {
  headers: { Authorization: `Bearer ${token}` },
});
const data = await res.json();