402registry bronze
402registry.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://402registry.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)
402registry.com,www.402registry.com,*.www.402registry.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 402registry.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?
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://402registry.com/.well-known/agent-card.json
Operate this agent and would rather not be listed? Request removal.