{
  "opencollection": "1.0.0",
  "info": {
    "name": "Census Microdata API",
    "version": "2026-05-25"
  },
  "request": {
    "auth": {
      "type": "apikey",
      "key": "key",
      "value": "{{key}}",
      "placement": "query"
    }
  },
  "items": [
    {
      "info": {
        "name": "ACS PUMS",
        "type": "folder"
      },
      "items": [
        {
          "info": {
            "name": "Tabulate ACS 1-Year Person PUMS",
            "type": "http"
          },
          "http": {
            "method": "GET",
            "url": "https://api.census.gov/data/:vintage/acs/acs1/pums",
            "params": [
              {
                "name": "vintage",
                "value": "",
                "type": "path"
              },
              {
                "name": "get",
                "value": "",
                "type": "query",
                "description": "Comma-separated list of variables to retrieve."
              },
              {
                "name": "for",
                "value": "",
                "type": "query"
              },
              {
                "name": "ucgid",
                "value": "",
                "type": "query"
              },
              {
                "name": "tabulate",
                "value": "",
                "type": "query",
                "description": "Cross-tabulation specification (for example `weight(PWGTP)`)."
              },
              {
                "name": "recode",
                "value": "",
                "type": "query",
                "description": "PUMS variable recoding specification."
              },
              {
                "name": "key",
                "value": "",
                "type": "query"
              }
            ]
          },
          "docs": "Custom person-level tabulation of the ACS 1-Year Public Use Microdata Sample."
        },
        {
          "info": {
            "name": "Tabulate ACS 1-Year Household PUMS",
            "type": "http"
          },
          "http": {
            "method": "GET",
            "url": "https://api.census.gov/data/:vintage/acs/acs1/pums/hus",
            "params": [
              {
                "name": "vintage",
                "value": "",
                "type": "path"
              },
              {
                "name": "get",
                "value": "",
                "type": "query",
                "description": "Comma-separated list of variables to retrieve."
              },
              {
                "name": "for",
                "value": "",
                "type": "query"
              },
              {
                "name": "key",
                "value": "",
                "type": "query"
              }
            ]
          },
          "docs": "Custom household-level tabulation of the ACS 1-Year PUMS file."
        },
        {
          "info": {
            "name": "Tabulate ACS 5-Year Person PUMS",
            "type": "http"
          },
          "http": {
            "method": "GET",
            "url": "https://api.census.gov/data/:vintage/acs/acs5/pums",
            "params": [
              {
                "name": "vintage",
                "value": "",
                "type": "path"
              },
              {
                "name": "get",
                "value": "",
                "type": "query",
                "description": "Comma-separated list of variables to retrieve."
              },
              {
                "name": "for",
                "value": "",
                "type": "query"
              },
              {
                "name": "key",
                "value": "",
                "type": "query"
              }
            ]
          },
          "docs": "ACS 5-Year PUMS person-level tabulation."
        }
      ]
    },
    {
      "info": {
        "name": "CPS",
        "type": "folder"
      },
      "items": [
        {
          "info": {
            "name": "Get CPS Basic Monthly Microdata",
            "type": "http"
          },
          "http": {
            "method": "GET",
            "url": "https://api.census.gov/data/:vintage/cps/basic/:month",
            "params": [
              {
                "name": "vintage",
                "value": "",
                "type": "path"
              },
              {
                "name": "month",
                "value": "",
                "type": "path",
                "description": "Three-letter month code (`jan`, `feb`, etc.)."
              },
              {
                "name": "get",
                "value": "",
                "type": "query",
                "description": "Comma-separated list of variables to retrieve."
              },
              {
                "name": "for",
                "value": "",
                "type": "query"
              },
              {
                "name": "key",
                "value": "",
                "type": "query"
              }
            ]
          },
          "docs": "Current Population Survey basic monthly microdata for the given vintage and month."
        }
      ]
    },
    {
      "info": {
        "name": "SIPP",
        "type": "folder"
      },
      "items": [
        {
          "info": {
            "name": "Get SIPP Wave Microdata",
            "type": "http"
          },
          "http": {
            "method": "GET",
            "url": "https://api.census.gov/data/:vintage/sipp/:panel/wave:wave",
            "params": [
              {
                "name": "vintage",
                "value": "",
                "type": "path"
              },
              {
                "name": "panel",
                "value": "",
                "type": "path",
                "description": "SIPP panel identifier (for example `2018`, `2021`)."
              },
              {
                "name": "wave",
                "value": "",
                "type": "path",
                "description": "Wave number within the panel."
              },
              {
                "name": "get",
                "value": "",
                "type": "query",
                "description": "Comma-separated list of variables to retrieve."
              },
              {
                "name": "for",
                "value": "",
                "type": "query"
              },
              {
                "name": "key",
                "value": "",
                "type": "query"
              }
            ]
          },
          "docs": "Survey of Income and Program Participation panel wave microdata."
        }
      ]
    }
  ],
  "bundled": true
}