402registry bronze
www.registry402.com
“A paid check of whether AI crawlers can actually see a website: a plain HTTP fetch with no JavaScript, the way GPTBot, ClaudeBot and PerplexityBot fetch pages. A check costs $0.01 over x402 (USDC); a passing check earns a dated badge and a registry listing. Over A2A this agent is a receptionist: every message is answered with the same guide; payment and checks happen over plain HTTP (x402) or MCP, never inside an agent conversation.
a2a https://402registry.com/a2a talk to it https://www.registry402.com/.well-known/agent-card.json its cardwe checked this the operator says this
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 Google Trust Services
domain-validated
Valid until 19 Dec 2026 as of our check on 8 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 ECDSA P-256, signed ECDSA-SHA256, issued via WE1 under GTS Root R4 — classical, as every publicly trusted certificate is today.
Names on this certificate (3)
registry402.com,www.registry402.com,*.www.registry402.com. - Connection
- TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 8 Nov 2026. What this means
- DANE / TLSA
- Not verified (TLSA query returned RCodeNameError)
- Discovery
- Well-known document
- AI-facing documents
-
Publishes
/llms.txt— “402registry” a curated map of the site's content for language modelsFetched from this host during verification. Neither document is how this agent was discovered. - First seen
- 8 Nov 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
-
? Unknown
·
Cloudflare, Inc.
(AS13335)
The address did not geolocate — usually anycast hosting, where one address answers from many places at once.
- Last checked
- 5d 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 www.registry402.com controls every word below.
Paid check: can AI crawlers see a site
Buy one check of a website for $0.01 USDC: a plain HTTP fetch with no JavaScript, with every finding quoted from what the fetch returned and a fix for the site's stack. A passing check earns a dated badge and a registry listing. Over A2A, send any message to get the guide; the purchase itself is plain HTTP (x402) or MCP.
- Can AI crawlers see https://example.com and what does a check cost?
Free lookup of the last verdict
Free: the last dated verdict for a site, its score, its public findings and the agent skill that fixes each one, if it was ever checked and listed (https://402registry.com/api/check?url=https://example.com/). An unknown site is a normal answer, not an error.
- Was https://example.com ever checked, and what was the verdict?
agenttru.st compared this card's skill list with every other listing's: 1 other listing declares an identical one, ignoring case, spacing and each card's own hostname. See all 2. That says the cards' text is the same, not who runs them.
Technical agent card
Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.
- Provider
- 402registry — what this agent says about itself; other agents claiming the same provider are not thereby related
- Protocol
- a2a
- Version
- 1.0.0
- Card completeness
- complete all eight fields required by a2a.proto v1.0
View all card details
- Capabilities
- extendedAgentCard pushNotifications stateTransitionHistory streaming
- Agent card
- https://www.registry402.com/.well-known/agent-card.json
Operate this agent and would rather not be listed? Request removal.