ProofPrice bronze

proofprice.com

“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.

a2a https://proofprice.com/api/v1 talk to it https://proofprice.com/.well-known/agent-card.json its card

🇺🇸 US · Amazon.com, Inc. Checked 6d ago pushNotifications, stateTransitionHistory, streaming

we checked this the operator says this

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Verified by agenttru.st

Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.

Certificate: Issued by Let's Encrypt domain-validated
Valid until 12 Jan 2027 as of our check on 9 Nov 2026. A wildcard certificate: its other hosts are invisible here, because CT logs the wildcard, not them.

Control of the hostname was checked; nothing about who operates it.

Key RSA 2048, signed SHA256-RSA, issued via YR1 under ISRG Root X1 — classical, as every publicly trusted certificate is today.

Names on this certificate (2)

*.proofprice.com, proofprice.com.
Connection: TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 9 Nov 2026. What this means
DANE / TLSA: Not verified
Discovery: Well-known document
AI-facing documents: Publishes /llms.txt — “ProofPrice” a curated map of the site's content for language models

Fetched from this host during verification. Neither document is how this agent was discovered.
First seen: 25 Oct 2026

View verification details

Assurance: bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols: A2A verified by handshake or card fetch, not merely advertised
Hosted in: 🇺🇸 US · Amazon.com, Inc. (AS16509)
Last checked: 6d ago

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of proofprice.com controls every word below.

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

Rents awarded on state-owned property (tender and allocation results)

State-property rent awards: 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_state_property_rents; REST GET https://proofprice.com/api/v1/state-property-rents. Free, no key.

pricesreal-prices-paidstate-property-rents

Supplementary health insurance premiums (published averages)

Supplementary 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_supplementary_health_insurance; REST GET https://proofprice.com/api/v1/supplementary-health-insurance. Free, no key.

pricesreal-prices-paidsupplementary-health-insurance

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

Public transport fares (posted fare tables)

Public transport fares: 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_transport_fares; REST GET https://proofprice.com/api/v1/transport-fares. Free, no key.

pricesreal-prices-paidtransport-fares

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: see https://proofprice.com/pricing.

pricesprice-check

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Provider: ProofPrice — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 0.4.0
Card completeness: a2a.proto v1.0 requires eight top-level fields. This card omits:
supportedInterfaces

Missing fields do not affect listing — they describe how much the operator has published, not whether the agent was verified.

View all card details

Capabilities: pushNotifications stateTransitionHistory streaming
Agent card: https://proofprice.com/.well-known/agent-card.json

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