{
  "id": "census-retail",
  "name": "US Census Bureau — retail activity",
  "source_url": "https://api.census.gov/data/timeseries/eits/mrts",
  "adapter": "census-retail-v1",
  "attribution": "U.S. Census Bureau, MRTS. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.",
  "description": "US retail and food-services sales, category 44X72, Census Monthly Retail Trade Survey (MRTS). Monthly sales are seasonally adjusted millions of current US dollars, not inflation-adjusted volume. Monthly reference period start is not publication time. Estimates can be revised. A rolling six-month source query selects only the latest valid observation; no historical import. Private operator API key is never exposed in public JSON or source URLs. Checked once per 24 hours; stale after 120 days from reference-month start. Public dataset metadata lists CC0: https://api.census.gov/data/timeseries/eits/mrts.json . Terms: https://www.census.gov/data/developers/about/terms-of-service.html .",
  "source_request": {
    "method": "GET",
    "authentication": "Private Census API key; never included in public evidence",
    "query_window": "Previous six months through current month; latest valid observation only"
  },
  "nodes": [
    {
      "id": "us-retail-food-services-sales",
      "oracle_id": "census-retail",
      "path": "/nodes/us-retail-food-services-sales",
      "title": "US retail and food-services sales",
      "metric_key": "SM",
      "units": "millions of current USD, seasonally adjusted",
      "base": null,
      "quote": null,
      "max_source_age_hours": 168,
      "enabled": 1,
      "max_source_age_days": 120,
      "json": "/nodes/us-retail-food-services-sales.json",
      "history": "/nodes/us-retail-food-services-sales/history",
      "history_json": "/nodes/us-retail-food-services-sales/history.json",
      "revisions_json": "/nodes/us-retail-food-services-sales/revisions.json"
    }
  ]
}