{
 "built": "2026-09-17T06:58:39.858Z",
 "site": "https://tonelva.com",
 "documentation": "https://tonelva.com/api/",
 "engine": {
  "url": "https://tonelva.com/js/engine.js",
  "version": "1.0.0"
 },
 "datasets": {
  "reference-tables": {
   "rows": 13,
   "rebuilt": "2026-09-17",
   "url": "https://tonelva.com/api/v1/reference-tables.json",
   "guideline_dates": {
    "acc-aha": "2017-11-13",
    "esc-esh": "2018-08-25"
   },
   "note": "The 2024 ESC guideline changed the European categories below 140/90. The change is carried in the payload as `europe_changed_in_2024`."
  },
  "tools": {
   "rows": 5,
   "rebuilt": "2026-09-17",
   "url": "https://tonelva.com/api/v1/tools.json"
  },
  "guides": {
   "rows": 20,
   "rebuilt": "2026-09-17",
   "url": "https://tonelva.com/api/v1/guides.json"
  },
  "tonelva": {
   "rows": 1,
   "rebuilt": "2026-09-17",
   "url": "https://tonelva.com/api/v1/tonelva.json"
  }
 },
 "note": "Every dataset is re-derived on each build from the same modules the pages render from. There is no second copy to go stale — but a classification table is only as current as the guideline it quotes, and `guideline_dates` is what to cite."
}