ProofPrice

Prices people actually paid, from official open data: homes, rents, fuel, energy, food, medicines. This is a read-only price service reached over MCP (https://proofprice.com/api/mcp) and REST (https://proofprice.com/api/v1). It does not run A2A message exchange: use the MCP or REST endpoints, or read https://proofprice.com/llms.txt.

Skills

• Border prices: customs unit values per kilogram
  Border prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_border_prices; REST GET https://proofprice.com/api/v1/border-prices. Free, no key.
  pricesreal-prices-paidborder-prices
• Mobile and broadband prices
  Mobile and broadband prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_broadband_prices; REST GET https://proofprice.com/api/v1/broadband. Free, no key.
  pricesreal-prices-paidbroadband
• Car-related prices actually paid
  Car prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_car_prices; REST GET https://proofprice.com/api/v1/cars. Free, no key.
  pricesreal-prices-paidcars
• Childcare prices paid
  Childcare prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_childcare_prices; REST GET https://proofprice.com/api/v1/childcare. Free, no key.
  pricesreal-prices-paidchildcare
• Commercial property and land sale prices actually paid
  Commercial property and land sales: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_commercial_property; REST GET https://proofprice.com/api/v1/commercial-property. Free, no key.
  pricesreal-prices-paidcommercial-property
• Building cost per square metre
  Construction costs: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_construction_costs; REST GET https://proofprice.com/api/v1/construction. Free, no key.
  pricesreal-prices-paidconstruction
• Government contract prices (what public buyers paid)
  Government contract prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_contract_prices; REST GET https://proofprice.com/api/v1/contracts. Free, no key.
  pricesreal-prices-paidcontracts
• Cost of a healthy diet per person per day
  Healthy diet cost: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_diet_costs; REST GET https://proofprice.com/api/v1/diet-costs. Free, no key.
  pricesreal-prices-paiddiet-costs
• Household electricity and gas prices
  Household and business energy prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_energy_prices; REST GET https://proofprice.com/api/v1/energy. Free, no key.
  pricesreal-prices-paidenergy
• Farm-gate prices received by farmers (monthly)
  Farm-gate prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_farm_gate_prices; REST GET https://proofprice.com/api/v1/farm-gate-prices. Free, no key.
  pricesreal-prices-paidfarm-gate-prices
• Farm and wholesale food prices
  Farm and wholesale food prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_farm_prices; REST GET https://proofprice.com/api/v1/farm-prices. Free, no key.
  pricesreal-prices-paidfarm-prices
• Airfares paid
  Airfares paid: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_airfare_prices; REST GET https://proofprice.com/api/v1/airfares. Free, no key.
  pricesreal-prices-paidflights
• Live fuel prices at the pump
  Live fuel prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_fuel_prices_now; REST GET https://proofprice.com/api/v1/fuel. Free, no key.
  pricesreal-prices-paidfuel
• Grocery and everyday prices
  Grocery prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_grocery_prices; REST GET https://proofprice.com/api/v1/groceries. Free, no key.
  pricesreal-prices-paidgroceries
• Health insurance premiums (approved tariffs)
  Health insurance premiums: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_health_insurance_premiums; REST GET https://proofprice.com/api/v1/health-insurance. Free, no key.
  pricesreal-prices-paidhealth-insurance
• Home sale prices actually paid
  Home sales: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_home_sales; REST GET https://proofprice.com/api/v1/home-sales. Free, no key.
  pricesreal-prices-paidhome-sales
• Home upgrade costs (heat pumps, solar, insulation, windows)
  Home upgrade prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_home_upgrade_prices; REST GET https://proofprice.com/api/v1/home-upgrades. Free, no key.
  pricesreal-prices-paidhome-upgrades
• Hotel room prices
  Hotel room prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_hotel_prices; REST GET https://proofprice.com/api/v1/hotels. Free, no key.
  pricesreal-prices-paidhotels
• Insurance premiums paid
  Insurance premiums: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_insurance_prices; REST GET https://proofprice.com/api/v1/insurance. Free, no key.
  pricesreal-prices-paidinsurance
• Farmland prices and rents
  Farmland prices and rents: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_land_prices; REST GET https://proofprice.com/api/v1/land-prices. Free, no key.
  pricesreal-prices-paidland-prices
• Doctor and hospital prices paid
  Doctor and hospital prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_medical_prices; REST GET https://proofprice.com/api/v1/medical. Free, no key.
  pricesreal-prices-paidmedical
• Official pharmacy prices of medicines
  Medicine prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_medicine_prices; REST GET https://proofprice.com/api/v1/medicines. Free, no key.
  pricesreal-prices-paidmedicines
• Price levels: how expensive a country is compared with others
  Price level: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_price_levels; REST GET https://proofprice.com/api/v1/price-levels. Free, no key.
  pricesreal-prices-paidprice-levels
• Farm-gate producer prices (annual)
  Farm-gate producer prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_producer_prices; REST GET https://proofprice.com/api/v1/producer-prices. Free, no key.
  pricesreal-prices-paidproducer-prices
• Rents paid
  Rents paid: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_rent_prices; REST GET https://proofprice.com/api/v1/rent. Free, no key.
  pricesreal-prices-paidrent
• Public auction prices (winning bids on surplus goods)
  Public auction prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_auction_prices; REST GET https://proofprice.com/api/v1/auctions. Free, no key.
  pricesreal-prices-paidsurplus-auctions
• University tuition fees
  University tuition fees: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_tuition_fees; REST GET https://proofprice.com/api/v1/tuition. Free, no key.
  pricesreal-prices-paidtuition
• Wholesale prices of live animals, fish, eggs and fresh food
  Wholesale fresh food prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_wholesale_fresh_food_prices; REST GET https://proofprice.com/api/v1/wholesale-fresh-food. Free, no key.
  pricesreal-prices-paidwholesale-fresh-food
• Wholesale market prices for vegetables and fruit
  Wholesale market prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_wholesale_market_prices; REST GET https://proofprice.com/api/v1/wholesale-markets. Free, no key.
  pricesreal-prices-paidwholesale-markets
• Wholesale (day-ahead) electricity prices
  Wholesale electricity prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_wholesale_power_prices; REST GET https://proofprice.com/api/v1/wholesale-power. Free, no key.
  pricesreal-prices-paidwholesale-power
• Price check
  Is a quoted price typical? Compares it with recorded prices, with evidence, source and licence. MCP tool pricepaid_check_price; REST GET https://proofprice.com/api/v1/check. 20 free a day, then paid per call with x402 once payments are on: see https://proofprice.com/pricing.
  pricesprice-check

How to call

https://proofprice.com/api/v1

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