Hostrail Booking Agent bronze

api.hostrail.dev

“Hostrail is the booking layer for AI agents. Supports search, quote, hold, book, and cancel flows with deterministic pricing, signed receipts, and full audit trails. Every response carries structured error remediation so agents can self-recover.

a2a https://api.hostrail.dev talk to it https://api.hostrail.dev/.well-known/agent.json its card

🇺🇸 US · Railway Checked 3d 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 13 Jan 2027 as of our check on 12 Nov 2026.

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

Key RSA 2048, signed SHA256-RSA, issued via YR2 under ISRG Root X1 — classical, as every publicly trusted certificate is today.

Names on this certificate (1)

api.hostrail.dev.
Connection: TLS 1.3 · X25519 — classical key exchange, agreed with our checker on 12 Nov 2026. What this means
DANE / TLSA: Not verified (TLSA query returned RCodeNameError)
Discovery: Well-known document
First seen: 15 Oct 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 · Railway (AS400940)
Last checked: 3d 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 api.hostrail.dev controls every word below.

Hotel Search & Discovery

Search and browse available hotels by destination, dates, party size, and budget.

travelhotelssearchaccommodation

Examples it gives

Find available hotels in Da Nang for June 12-14 for 2 adults
What hotels do you have in Phu Quoc?
Show me rooms under 3 million VND per night in Hoi An

Hotel Reservation & Payment

Complete hotel reservations with real-time pricing, inventory holds, and secure payment. Mutating operations are flagged with x-openai-isConsequential so consent prompts surface in ChatGPT.

travelbookingpaymentreservation

Examples it gives

Book the Oceanview Suite at Seabreeze Resort for 3 nights
How much would a Deluxe room cost for June 12-14?
Hold that room while I decide

Booking Management & Cancellation

View, track, and cancel existing hotel bookings with deterministic refund calculation.

travelcancellationrefundmanagement

Examples it gives

Cancel my hotel reservation
What's the status of my booking?
How much would I get back if I cancel?

Transaction Audit & Verification

Verify booking transactions with cryptographic receipts and full event audit trails.

verificationauditreceiptcompliance

Examples it gives

Show me the full timeline of my booking
Verify this transaction receipt

Technical agent card

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

Provider: Hostrail — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 1.0.0
Auth schemes: delegatedUser oauthAccessToken tenantBearer
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: pushNotifications stateTransitionHistory streaming
Agent card: https://api.hostrail.dev/.well-known/agent.json

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