{
  "edition": "v1",
  "currency": "USD",
  "checkout": {
    "method": "POST",
    "path": "/api/place/checkout",
    "content_type": "application/json",
    "example": {
      "sku": "place-ca-city-01-5",
      "request_id": "0bf6bd67-5293-44aa-95bc-b2cc3d2ef221"
    },
    "instructions": "Generate a fresh UUID for a new order. Reuse it only to retry that order. Return checkout_url to the payer for payment authorization. Keep session_id private."
  },
  "delivery": {
    "method": "POST",
    "path": "/api/place/download",
    "body": {
      "session_id": "<session_id from checkout>"
    },
    "success": "ZIP bytes, Content-Disposition filename and X-Archive-SHA256. Compare with archive_sha256 in the catalog.",
    "unpaid_status": 403
  },
  "catalog": "/services/public-data/place-kits/catalog.json",
  "scope": "Native two-city or two-ZCTA comparison. City boundary vintage 2024; ZCTA boundary vintage 2020; estimates pooled 2020-2024."
}