Last Price bronze

store.last-price.ai

“Pricing compute for agents: quote a price, verify a price someone proposed, and record whether it was accepted. One API, any pricing logic, metered per call.

a2a https://api.last-price.ai talk to it https://store.last-price.ai/.well-known/agent-card.json its card

🇺🇸 US · Amazon.com, Inc. Checked 4d ago extensions, 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 17 Dec 2026 as of our check on 10 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)

*.last-price.ai, last-price.ai.
Connection: TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 10 Nov 2026. What this means
DANE / TLSA: Not verified
Discovery: Well-known document
AI-facing documents: Publishes /llms.txt — “Last Price” 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: 10 Nov 2026

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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: 4d 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 store.last-price.ai controls every word below.

Compute a price

Quote a price for a product or a call from its context (product type, current price, currency, costs, competitor offer) and optional constraints. Returns the price, confidence, the function that computed it and a receipt.

pricingquotecompute

Examples it gives

{"context":{"product_type":"saas","current_price":49,"currency":"USD"}}

Verify a price

Check a price someone proposed against its context. Returns a verdict (fair, too_high, too_low or unknown), the band it was judged against, the deviation and the evidence, so a buyer can decide whether to accept, counter or walk away.

pricingverificationbuyer

Examples it gives

{"proposed_price":49,"context":{"product_type":"saas","current_price":49,"currency":"USD"}}

Record an outcome

Report whether a computed price was accepted or rejected, against the receipt it came with. On a workspace with outcome pricing, a rejection inside the window pays part of the price back.

outcomesfeedbackbilling

Examples it gives

{"accepted":false}

Technical agent card

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

Provider: Last Price — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 1.0.0
Auth schemes: apiKey oauth2
Extensions: https://last-price.ai/a2a/ext/http-operations/v1
Each skill is a plain HTTP JSON operation on url. There is no A2A message/send endpoint yet; call the operation listed for the skill.
https://last-price.ai/a2a/ext/x402/v1
compute-price can be bought one call at a time with an x402 payment and no account.

A2A protocol extensions the card declares. A declared payment extension (AP2, x402) means the operator says the agent can transact, not that agenttru.st has seen it do so.
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.

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Capabilities: extensions pushNotifications stateTransitionHistory streaming
Agent card: https://store.last-price.ai/.well-known/agent-card.json

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