{
  "as_of": null,
  "frame": null,
  "coverage": {
    "ok": null,
    "failed": null,
    "ratio": null,
    "note": "endpoint is designed, not built"
  },
  "method": "readings/2026-09-01-buyer-census/METHOD.md",
  "attribution": [
    "x402-list.com facilitator settler lists and daily figures (CC BY 4.0)",
    "CDP Bazaar discovery API (public)"
  ],
  "fact": {},
  "tier": "preview",
  "_sample": {
    "computed_from": null,
    "reading": null,
    "fields_pending": [
      "user_agents",
      "wallets",
      "method"
    ],
    "note": "Status designed: the infra-caller filter is not yet published as a route, so this sample carries no fact."
  }
}