{
  "query": {
    "country": "BR",
    "area": "MG",
    "town": null,
    "fuel": "diesel"
  },
  "status": "ok",
  "price": {
    "currency": "BRL",
    "unit": "per litre",
    "value": 6.99,
    "measure": "median",
    "median": 6.99,
    "typical_low": 6.79,
    "typical_high": 7.59,
    "min": 6.54,
    "max": 8.39
  },
  "sample_size": 317,
  "period": {
    "from": "2026-09-24",
    "to": "2026-09-30"
  },
  "confidence": "high",
  "price_type": "posted_pump_price",
  "as_of": "2026-10-14T21:31:18.072Z",
  "source": {
    "id": "br-fuel",
    "name": "Levantamento de Preços de Combustíveis – série de preços por revenda (dados abertos)",
    "publisher": "ANP – Agência Nacional do Petróleo, Gás Natural e Biocombustíveis (Brazil)",
    "licence": "UNCONFIRMED: ANP's open-data page for the series (gov.br/anp, Série histórica de preços de combustíveis) states no licence. Brazil's federal open-data decree binds ANP: open data are released 'sob licença aberta que permita sua livre utilização, consumo ou cruzamento, limitando-se a creditar a autoria ou a fonte' and there is 'permissão irrestrita de reuso das bases de dados publicadas em formato aberto' (Decreto 8.777/2016, art. 2 III and 3 IV). But ANP's website terms say 'É autorizada a reprodução total ou parcial, sem fins lucrativos, do conteúdo, mediante a citação obrigatória da fonte' (https://www.gov.br/anp/pt-br/acesso-a-informacao/termos-de-uso-privacidade-e-seguranca-1). Whether that non-profit clause reaches the open datasets has not been confirmed with ANP (permission requested).",
    "licence_url": "https://www2.camara.leg.br/legin/fed/decret/2016/decreto-8777-11-maio-2016-783082-normaatualizada-pe.pdf",
    "attribution": "Fonte: ANP – Agência Nacional do Petróleo, Gás Natural e Biocombustíveis, Levantamento de Preços de Combustíveis (dados abertos), https://www.gov.br/anp. Medians and ranges are calculated by ProofPrice.",
    "url": "https://www.gov.br/anp/pt-br/centrais-de-conteudo/dados-abertos/serie-historica-de-precos-de-combustiveis"
  },
  "method": "Median and 10th–90th percentile of the pump selling prices that ANP's weekly survey recorded at the stations it visited in the place, over the 7 days ending on the date shown (one price per station). It is a sample of stations, not every station. Place and fuel as described in the summary; ProofPrice copies the ANP files once a day.",
  "method_url": "https://proofprice.com/method",
  "summary": "Diesel S10 in Minas Gerais (state): median R$6.99 per litre in ANP's survey of the week ending 2026-09-30; typical range (10th–90th percentile) R$6.79–R$7.59 across the surveyed stations (posted pump prices, taxes included). Based on 317 records from ANP – Agência Nacional do Petróleo, Gás Natural e Biocombustíveis (Brazil) (2026-09-24 to 2026-09-30). Confidence: high.",
  "notice": "Information, not a valuation or offer. Ranges describe past recorded prices.",
  "extra": {
    "coverage": "surveyed_stations_only",
    "survey_week_ending": "2026-09-30",
    "data_age_days": 14,
    "stations_surveyed": 317
  },
  "answer_id": "ans_8eb777a9c1e07253987d",
  "method_version": "1",
  "retrieved_at": "2026-10-14T21:31:18.072Z",
  "evidence": {
    "type": "posted_pump_price",
    "label": "Posted shelf or pump price",
    "meaning": "The price a seller displays (for example at a pump or on a shelf): it is what is asked at the time, not a record of what each customer paid."
  }
}