{
  "query": {
    "country": "DE",
    "what": "office cleaning"
  },
  "status": "ok",
  "price": {
    "currency": "EUR",
    "unit": "per contract, total value of the winning tender",
    "value": 277909,
    "measure": "median",
    "median": 277909,
    "typical_low": 62240,
    "typical_high": 1464278,
    "min": 20601,
    "max": 2397824
  },
  "sample_size": 7,
  "period": {
    "from": "2026-04-24",
    "to": "2026-10-24"
  },
  "confidence": "low",
  "price_type": "contract_price",
  "as_of": "2026-10-24T11:02:56.542Z",
  "source": {
    "id": "de-oev-contracts",
    "name": "Bekanntmachungsservice: German public contract award notices (Datenservice Öffentlicher Einkauf)",
    "publisher": "Beschaffungsamt des BMI, Bekanntmachungsservice / Datenservice Öffentlicher Einkauf (oeffentlichevergabe.de)",
    "licence": "CC0 1.0 (open-data interface of the Bekanntmachungsservice, GovData catalogue)",
    "licence_url": "https://www.oeffentlichevergabe.de/documentation/swagger-ui/opendata/index.html",
    "attribution": "Source: Bekanntmachungsservice, Datenservice Öffentlicher Einkauf (Beschaffungsamt des BMI), oeffentlichevergabe.de, CC0. Figures are ProofPrice aggregates of the published award notices.",
    "url": "https://www.oeffentlichevergabe.de/"
  },
  "method": "German award notices with contracts concluded 2026-04-24 to 2026-10-24, recognised by the lot's CPV product code (office cleaning contracts). Median and 10th–90th percentile of the winning tender value in EUR. Totals per contract, not unit prices; frameworks are left out; buyers and suppliers are never named.",
  "method_url": "https://proofprice.com/method",
  "summary": "German public buyers awarded office cleaning contracts with a median winning-tender value of €277,909 per contract (typical range €62,240 to €1,464,278, 10th to 90th percentile). These are totals per contract, not unit prices. Based on 7 records from Beschaffungsamt des BMI, Bekanntmachungsservice / Datenservice Öffentlicher Einkauf (oeffentlichevergabe.de) (2026-04-24 to 2026-10-24). Confidence: low.",
  "notice": "Information, not a valuation or offer. Ranges describe past recorded prices.",
  "extra": {
    "value_basis": "winning tender value on the award notice (whole contract), not a unit price",
    "matched_purchase": "office-cleaning",
    "newest_collection": "2026-10-24"
  },
  "answer_id": "ans_45e105a1bd1888ff500f",
  "method_version": "1",
  "retrieved_at": "2026-10-24T11:02:56.541Z",
  "evidence": {
    "type": "contract_price",
    "label": "Contract award value",
    "meaning": "The value of a contract awarded under public procurement rules: it shows what a buyer agreed to pay for that contract, not a price list for the same goods or services."
  },
  "reliability": "thin",
  "data_as_of": "2026-10-24",
  "data_age_days": 0,
  "suggestions": [
    "Few records stand behind this range: widen the period or the area for a steadier figure.",
    "Treat it as a rough guide and ask for an itemised quote before deciding."
  ]
}