{
  "opencollection": "1.0.0",
  "info": {
    "name": "HUD User CHAS ZIP Code Crosswalk API",
    "version": "1.0.0"
  },
  "request": {
    "auth": {
      "type": "bearer",
      "token": "{{bearerToken}}"
    }
  },
  "items": [
    {
      "info": {
        "name": "ZIP Code Crosswalk",
        "type": "folder"
      },
      "items": [
        {
          "info": {
            "name": "ZIP Code Crosswalk Query",
            "type": "http"
          },
          "http": {
            "method": "GET",
            "url": "https://www.huduser.gov/hudapi/public/usps",
            "params": [
              {
                "name": "type",
                "value": "",
                "type": "query",
                "description": "Crosswalk type code: 1 = ZIP to County, 2 = ZIP to Census Tract, 3 = ZIP to CBSA, 4 = ZIP to Congressional District, 5 = County to ZIP, 6 = Census Tract to ZIP, 7 = CBSA to ZIP, 8 = Congressional District to ZIP, 9 = ZIP to County Subdivision, 10 = County Subdivision to ZIP"
              },
              {
                "name": "query",
                "value": "",
                "type": "query",
                "description": "The geographic identifier to look up. For ZIP-to-X queries, provide the 5-digit ZIP code. For X-to-ZIP queries, provide the appropriate geographic code (e.g., 5-digit FIPS for county, 11-digit FIPS for census tract, CBSA code, etc.)"
              },
              {
                "name": "year",
                "value": "",
                "type": "query",
                "description": "Year for crosswalk data (2nd quarter data)"
              },
              {
                "name": "quarter",
                "value": "",
                "type": "query",
                "description": "Quarter for crosswalk data (1-4)"
              }
            ]
          },
          "docs": "Returns crosswalk data mapping ZIP codes to and from other geographic units. Supports multiple crosswalk types including ZIP-to-county, ZIP-to-census tract, ZIP-to-CBSA, ZIP-to-congressional district, and ZIP-to-county subdivision."
        }
      ]
    }
  ],
  "bundled": true
}