HUD - US Department of Housing and Urban Development

aid: hud
name: HUD - US Department of Housing and Urban Development
description: >-
  The U.S. Department of Housing and Urban Development (HUD) provides public REST
  APIs for fair housing data, Fair Market Rents, Income Limits, USPS ZIP code crosswalk
  files, Comprehensive Housing Affordability Strategy (CHAS) data, and housing counseling
  agency search. All HUD User dataset APIs require a free bearer token obtained from
  the HUD User portal; the Housing Counselor search API is publicly accessible without
  authentication.
type: Index
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/hud/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
tags:
  - Housing
  - Government
  - Fair Market Rent
  - Mortgage
  - Community Development
  - Public Housing
  - Section 8
  - Income Limits
apis:
  - name: HUD User Fair Market Rents API
    description: >-
      Provides Fair Market Rent (FMR) data by state, county, and metropolitan
      area. Returns efficiency through four-bedroom rental rates used as the
      basis for Section 8 Housing Choice Voucher payment standards.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://www.huduser.gov/portal/dataset/fmr-api.html
    baseURL: https://www.huduser.gov/hudapi/public/fmr
    tags:
      - Fair Market Rent
      - Housing
      - Section 8
    properties:
      - type: Documentation
        url: https://www.huduser.gov/portal/dataset/fmr-api.html
      - type: Authentication
        url: https://www.huduser.gov/hudapi/public/register
  - name: HUD User Income Limits API
    description: >-
      Returns HUD Income Limits at 30%, 50%, and 80% of Area Median Income (AMI)
      thresholds by geographic area. Used to determine eligibility for HUD
      housing assistance programs.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://www.huduser.gov/portal/dataset/api.html
    baseURL: https://www.huduser.gov/hudapi/public/il
    tags:
      - Income Limits
      - Housing Assistance
      - AMI
    properties:
      - type: Documentation
        url: https://www.huduser.gov/portal/dataset/api.html
      - type: Authentication
        url: https://www.huduser.gov/hudapi/public/register
  - name: HUD User USPS ZIP Code Crosswalk API
    description: >-
      Maps USPS ZIP codes to and from census tracts, counties, CBSAs,
      congressional districts, and county subdivisions. Supports geographic
      lookups and crosswalk queries for housing analysis.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://www.huduser.gov/portal/dataset/uspszip-api.html
    baseURL: https://www.huduser.gov/hudapi/public/usps
    tags:
      - ZIP Code
      - Crosswalk
      - Geography
      - Census
    properties:
      - type: Documentation
        url: https://www.huduser.gov/portal/dataset/uspszip-api.html
      - type: Authentication
        url: https://www.huduser.gov/hudapi/public/register
  - name: HUD User CHAS API
    description: >-
      Comprehensive Housing Affordability Strategy (CHAS) data provides custom
      tabulations of American Community Survey data on housing needs at national,
      state, county, and municipal levels. Used for Consolidated Planning submissions.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://www.huduser.gov/portal/dataset/chas-api.html
    baseURL: https://www.huduser.gov/hudapi/public/chas
    tags:
      - CHAS
      - Housing Affordability
      - Community Planning
      - ACS
    properties:
      - type: Documentation
        url: https://www.huduser.gov/portal/dataset/chas-api.html
      - type: Authentication
        url: https://www.huduser.gov/hudapi/public/register
  - name: HUD Housing Counselor Search API
    description: >-
      Search for HUD-approved housing counseling agencies by name, city, state,
      or geographic coordinates. Returns agency contact information and services
      offered. No API key required.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://data.hud.gov/housing_counseling.html
    baseURL: https://data.hud.gov/Housing_Counselor/search
    tags:
      - Housing Counseling
      - Agency Search
      - Public
    properties:
      - type: Documentation
        url: https://data.hud.gov/housing_counseling.html
common:
  - type: Website
    url: https://www.hud.gov/
  - type: Documentation
    url: https://www.huduser.gov/portal/dataset/api.html
  - type: GitHubOrg
    url: https://github.com/HUD-Data-Lab
  - type: LinkedIn
    url: https://www.linkedin.com/company/us-department-of-housing-and-urban-development/
  - type: Blog
    url: https://www.hud.gov/press/blog
  - type: Pricing
    url: https://www.huduser.gov/portal/dataset/api-terms-of-service.html
  - type: StatusPage
    url: https://data.hud.gov/
  - type: X
    url: https://x.com/HUDgov
  - type: Plans
    url: plans/hud-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/hud-rate-limits.yml
  - type: FinOps
    url: finops/hud-finops.yml
maintainers:
  - FN: Kin Lane
    email: [email protected]