ProofPrice

Use this when a user asks how pump prices have changed over recent days or weeks in a place, or whether fuel is getting cheaper. Returns the daily median and typical range of pump prices in the area, with the change over the period, from our daily snapshots of official data. Do not use for today's cheapest stations. After 10 free calls a day per caller this tool costs USD 0.02 per answered call, paid with x402 (USDC); a 402 reply lists how. Nothing is charged for "not enough records" or errors.

Use this when a user asks the current price of petrol, diesel, E10, E85, LPG or CNG near a place in Queensland, Brazil, Ontario, Canada, Spain, the EU (national averages), France, the United Kingdom (national averages), Italy, Mexico, Malaysia, the Netherlands, Norway, New Zealand, Taiwan, the United States or Uruguay, or where fuel is cheapest there. Returns the median and typical range of pump prices across stations in the area, the three cheapest stations, and the official source and licence. How fresh: Queensland: monthly file, published about a month after the month ends (the newest data …

Use this when a user asks what an everyday grocery item (milk, bread, eggs, butter, cheese, chicken, bananas, potatoes, sugar, tea, coffee, beer, wine...) costs in the shops in Canada (country CA), Chile (ODEPA shelf prices) (country CL), France (country FR), the United Kingdom (country GB), Hong Kong (country HK), Ireland (country IE), Latvia (country LV), Mexico (Profeco shelf prices) (country MX), Malaysia (shop shelf prices, DOSM PriceCatcher) (country MY), New Zealand (country NZ), countries WFP surveys (Africa, Asia, Middle East, Latin America) (country AF), countries WFP surveys (Africa…

Use this when a user asks what compulsory basic health insurance costs per month under the approved tariffs, for example for an adult in a region with a given deductible, in Switzerland (country CH) or United States marketplace plans (country US). Returns the median monthly premium with the typical range (10th to 90th percentile) across the insurers' approved tariffs, the number of tariffs behind it, the period, a confidence label, and the official source and licence. These are posted list tariffs approved by the regulator, the same for everyone in a region and age group, not amounts paid by i…

Use this when a user asks what homes actually sold for in a town or area, what a fair price for a home is, or how much property costs there, in Austria (country AT), Australia (country AU), Belgium (country BE), Porto Alegre, Brazil (country BR), British Columbia, Canada (country CA), Denmark (country DK), Bulgaria, Croatia, Cyprus, Czechia, Estonia, Germany, Hungary, Iceland, Italy, Latvia, Lithuania, Luxembourg, Malta, Poland, Romania, Slovakia, Slovenia and Spain (house price index only) (country BG), Bulgaria, Croatia, Cyprus, Czechia, Estonia, Germany, Hungary, Iceland, Italy, Latvia, Lit…

Use this when a user asks what a home upgrade costs in England and Wales (heat pumps) (country GB), Great Britain (country GB) or Ireland (country IE): a heat pump, solar panels (solar PV), loft/attic or wall insulation, or new windows. Returns an official statistic: the cost that installers or owners declared when a grant or tax claim was made (a median or average the publisher states for a period), with the period, the publisher's own wording of what the figure includes, the official source and licence. These are declared installed costs at grant or claim, not receipts, not quotes and not wh…

Use this when a user asks what a hotel room costs per night, on average, in a country, region, province or city in Spain (country ES), Finland (country FI), Hong Kong (country HK), Norway (country NO) or Singapore (country SG), or how hotel prices changed on a year earlier. Returns the official average daily rate: the average price actually charged per occupied hotel room per night, published monthly by the national statistics office from its hotel survey, with the month, the change on the same month a year earlier where published, the official source and licence. This is a published average o…

Use this when a user asks what insurance actually costs the people who hold it, for example what homeowners pay per year for flood insurance in a ZIP code or state, in the United States (federal flood insurance) (country US). Returns the median yearly charge with the typical range (10th to 90th percentile) across real policies, the number of policies behind it, the period, a confidence label, and the official source and licence. Only aggregates are returned, never one policy, and never fewer than 5 policies. Read the method in the answer: some premiums are set partly by public rules, so they a…

Use this when a user asks what agricultural land (farmland, arable land or grassland) sells for, or what it costs to rent, per hectare in EU member states and Norway, in a particular region of such a country, or how it changed since the year before. Returns the official average price per hectare (or the average rent per hectare for one year) for the latest year published, in the currency the answer states (euro and national currency where the source gives both), for the chosen land type (arable, permanent grassland and others), the previous year and change, the history, the other land types, t…

Use this when a user asks what a medical service or hospital stay costs, or what was actually paid for it, for example an office visit, an MRI, a colonoscopy, physical therapy, a knee replacement or a pneumonia stay, in Singapore (hospital bills for medical conditions) (country SG) or the United States (what Medicare paid doctors and hospitals) (country US). Returns the official average amount the public health insurer allowed per service (doctors' services, in an office or a facility) or paid per hospital stay (by hospital-stay group), nationally or for one state where the source publishes it…

Use this when a user asks what a medicine costs in a pharmacy, or how much of the price the health insurance reimburses, in Spain (country ES), France (country FR), England (NHS) (country GB), Italy (country IT), Japan (country JP), New Zealand (country NZ) or the United States (country US). Returns the median and typical range (10th–90th percentile) of the legally fixed price per box across all pack sizes and strengths sold under that medicine name, the number of packs, the period, a confidence label, and the official source and licence. These are regulated (posted) prices, not market transac…

Use this when a user asks how expensive a country is compared with an international average, for everyday spending such as food, housing, transport, health, clothing or restaurants, for example 'is food dearer here than in a neighbouring country', 'how much more expensive is a country than the average' or what a dollar buys in local currency (purchasing power parity), in 47 countries (the 38 OECD members plus Bulgaria, Cyprus, Malta, Romania and some Balkan states) (country AU), 47 countries (the 38 OECD members plus Bulgaria, Cyprus, Malta, Romania and some Balkan states) (country AT), 47 cou…

Use this when a user asks what farmers received at the farm gate, per year, for a crop or animal product (wheat, maize, rice, soybeans, potatoes, tomatoes, apples, bananas, beef, pork, chicken, eggs, milk, coffee, cotton and many more) in 9 countries from FAOSTAT (US, CA, BR, MX, AU, NZ, SG, JP, KR), or how that annual price changed from the year before. Returns the newest annual producer price for the country and product, per tonne in the country's own currency (and in US dollars where available) and per kg, the year it applies to, the change on the previous year, whether the source marks the…

Use this when a user asks what rent tenants actually pay or have agreed for a home in a town, area or postcode, how much it costs to rent a flat, house or room there, or how rents compare, in New South Wales, Australia (country AU), Queensland, Australia (country AU), Canada (country CA), Germany (country DE), Catalonia, Spain (country ES), Finland (country FI), France (country FR), England and Wales (country GB), Hong Kong (country HK), Ireland (country IE), Norway (country NO), New Zealand (country NZ), Portugal (country PT), Sweden (country SE), Singapore public housing (country SG) or Taiw…

Use this when a user asks what a university or college charges students per year (tuition or registration fees for a bachelor's or master's degree) in Canada (country CA), Europe (country BE), Europe (country BG), Europe (country CZ), Europe (country DK), Europe (country DE), Europe (country EE), Europe (country IE), Europe (country GR), Europe (country ES), Europe (country FR), Europe (country HR), Europe (country IT), Europe (country CY), Europe (country LV), Europe (country LT), Europe (country LU), Europe (country HU), Europe (country MT), Europe (country NL), Europe (country AT), Europe (…

Use this when a user asks what the wholesale price of live pigs, cattle or chickens, fish, eggs or other fresh food is today in Australia (country AU), Canada (country CA), Germany (country DE), France (country FR), England and Wales (country GB), Hong Kong (country HK), Malaysia (country MY) or United States (country US), or how it moved on the previous day. Returns the newest daily average reference wholesale price that the government publishes for the food type, per kilogram or per egg, with the day it applies to, the change on the previous published day, the recent days, the official sourc…

Use this when a user asks what traders paid for vegetables or fruit (cabbage, tomatoes, cucumbers, onions, bananas, pineapples, guavas, melons, grapes...) at the wholesale produce markets of Chile (country CL) or Taiwan (country TW), or what the price range at the wholesale market was this week. Returns a range built from the market's own daily trading records (median, 10th to 90th percentile, lowest and highest, number of records) for the newest few days, per kilogram, with the volume traded, the markets included and the official source and licence. A record is the average price of one variet…

Use this when a user asks how wholesale electricity prices have changed over recent days or weeks in a country, or whether power is getting cheaper. Returns the daily median and typical range of hourly day-ahead prices in euro per MWh, with the change over the period, from our daily snapshots of official data. Do not use for household bills. After 10 free calls a day per caller this tool costs USD 0.02 per answered call, paid with x402 (USDC); a 402 reply lists how. Nothing is charged for "not enough records" or errors.

Use this when a user asks what electricity costs on the wholesale (day-ahead power exchange) market in Australia, Germany, Spain and Portugal, Austria, Belgium, Denmark, France, northern Italy, the Netherlands, south-west Norway and Poland or Great Britain: the recent median, the typical range across hours, the cheapest and dearest hour, the latest hour and how many hours had negative prices. Prices are in euro per MWh (1 MWh = 1000 kWh; the answer also gives cents per kWh). Built from the hourly auction prices of the recent days, with the official source and licence. How fresh: Australia: AEM…