{
  "query": {
    "country": "FR",
    "fuel": "diesel",
    "days": 30,
    "area_key": "ALL",
    "item": "diesel"
  },
  "status": "ok",
  "currency": "EUR",
  "unit": "per litre",
  "series": [
    {
      "date": "2026-10-13",
      "median": 2.349,
      "typical_low": 2.25,
      "typical_high": 2.449,
      "sample_size": 7933
    },
    {
      "date": "2026-10-14",
      "median": 2.349,
      "typical_low": 2.25,
      "typical_high": 2.449,
      "sample_size": 7869
    }
  ],
  "period": {
    "from": "2026-10-13",
    "to": "2026-10-14"
  },
  "change": {
    "from_median": 2.349,
    "to_median": 2.349,
    "absolute": 0,
    "percent": 0
  },
  "price_type": "posted_pump_price",
  "source": {
    "id": "fr-fuel",
    "name": "Prix des carburants en France – flux instantané v2",
    "publisher": "Ministère de l'Économie via data.economie.gouv.fr",
    "licence": "Licence Ouverte / Etalab 2.0",
    "licence_url": "https://www.etalab.gouv.fr/licence-ouverte-open-licence/",
    "attribution": "Source: Ministère de l'Économie – prix des carburants (Licence Ouverte / Etalab 2.0).",
    "url": "https://data.economie.gouv.fr/explore/dataset/prix-des-carburants-en-france-flux-instantane-v2/"
  },
  "library": {
    "first_date": "2026-10-13",
    "last_date": "2026-10-14",
    "days_collected": 2,
    "days_since_last_snapshot": 0
  },
  "method": "Once a day ProofPrice takes a snapshot of the official source and stores, for each area and item, the median, 10th–90th percentile and count. Days with fewer than 5 records are not shown.",
  "method_url": "https://proofprice.com/method",
  "summary": "Diesel in metropolitan France: median €2.349 per litre on 2026-10-14, unchanged since 2026-10-13 (€2.349). 2 daily snapshots of Ministère de l'Économie via data.economie.gouv.fr.",
  "notice": "Information, not an offer. Each point is that day's snapshot of posted prices."
}