{
  "query": {
    "country": "BR",
    "what": "office chair",
    "months": 24
  },
  "status": "ok",
  "price": {
    "currency": "BRL",
    "unit": "per unit, agreed in a public purchase",
    "value": 590,
    "measure": "median",
    "median": 590,
    "typical_low": 251,
    "typical_high": 1879,
    "min": 3.37,
    "max": 26500
  },
  "sample_size": 1435,
  "period": {
    "from": "2024-10-30",
    "to": "2026-10-29"
  },
  "confidence": "high",
  "price_type": "contract_price",
  "as_of": "2026-10-30T09:46:07.669Z",
  "source": {
    "id": "br-compras-furniture",
    "name": "Compras.gov.br price research: unit prices agreed in public purchases of furniture",
    "publisher": "Ministério da Gestão e da Inovação em Serviços Públicos, Compras.gov.br (Dados Abertos)",
    "licence": "UNCLEAR: the API page and the official API manual state no licence (read 24 Oct 2026). Served as a FREE tier only: never charged for. Brazilian federal open data is published under open-data terms, but this dataset's own licence line has not been confirmed.",
    "licence_url": "https://dadosabertos.compras.gov.br/swagger-ui/index.html",
    "attribution": "Source: Compras.gov.br, Dados Abertos (Ministério da Gestão e da Inovação em Serviços Públicos), Pesquisa de Preço. Unit prices from public purchases, not retail prices.",
    "url": "https://dadosabertos.compras.gov.br/swagger-ui/index.html"
  },
  "method": "Compras.gov.br price-research awards for the federal catalogue family 313 (office chairs), purchases dated 2024-10-30 to 2026-10-30. Each row is the unit price in reais that a public body agreed for one item in one purchase; median and 10th–90th percentile of up to 2000 newest awards. Public purchase prices (often bulk and tender prices), not shop prices; suppliers are never read or named.",
  "method_url": "https://proofprice.com/method",
  "summary": "Brazilian public bodies agreed a median unit price of R$590 for office chairs (typical range R$251 to R$1,879, 10th to 90th percentile, 1435 awards). These are prices in public purchases, not what a household pays in a shop. Based on 1435 records from Ministério da Gestão e da Inovação em Serviços Públicos, Compras.gov.br (Dados Abertos) (2024-10-30 to 2026-10-29). Confidence: high.",
  "notice": "Information, not a valuation or offer. Ranges describe past recorded prices.",
  "extra": {
    "value_basis": "unit price per item in a public purchase award; not a retail price",
    "catalogue_family": 313,
    "product": "office_chair",
    "newest_award_used": "2026-10-29",
    "pages_read": 3,
    "partial": "the publisher's API was slow, so only the first pages of awards were read",
    "free_tier_only": true
  },
  "answer_id": "ans_890a17c405e54a8d8386",
  "method_version": "1",
  "retrieved_at": "2026-10-30T09:46:07.668Z",
  "evidence": {
    "type": "contract_price",
    "label": "Unit price in a public purchase",
    "meaning": "The price per unit a Brazilian public body agreed in a purchase award. Often a bulk or tender price; not a retail price."
  },
  "reliability": "record_level",
  "data_as_of": "2026-10-29",
  "data_age_days": 1,
  "suggestions": []
}