Whisper bronze

whisper.online

“Give an AI agent a stable, routable IPv6 address of its own and egress that anyone can verify from outside. Use this when you need a fixed IP your traffic actually leaves from, an identity another service can check independently by reverse DNS and RDAP rather than taking your word for it, or control over what an agent is allowed to reach and a record of what it did. It also answers security questions about any domain, address or file hash from the Whisper graph, with no account at all. The address space is AS219419, which we run; an email address alone is enough to get a key.

https://whisper.online/.well-known/agent-card.json its card

🇳🇱 NL · The Constant Company, LLC Checked 16h ago extendedAgentCard, pushNotifications, 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 18 Dec 2026.

Control of the hostname was checked; nothing about who operates it.
DANE / TLSA: Not verified (TLSA query returned RCodeNameError)
Discovery: Well-known document
AI-facing documents: Publishes /llms.txt — “Whisper, a home for AI agents.” 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: 21 Sep 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: 🇳🇱 NL · The Constant Company, LLC (AS20473)
Last checked: 16h 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 whisper.online controls every word below.

Get a Whisper API key

Start or complete Whisper signup from an email address alone, and receive an API key that unlocks the provisioning and governance skills on this card. Send {"email":"..."} to start; a six-digit code arrives by email; send {"signup_id":"...","code":"123456"} to complete. No human step, no account needed first.

onboardingsignupcredentialskeyless

Examples it gives

{"skill":"signup","input":{"email":"agent@example.com"}}
{"skill":"signup","input":{"signup_id":"...","code":"123456"}}

identify

Identify an indicator (domain, IP, hash, …) against the graph. Answers without an API key.

graphcognitionkeyless

Examples it gives

{"skill":"identify","input":"example.com"}

assess

Assess the risk/policy posture of one or more indicators. Answers without an API key.

graphcognitionkeyless

Examples it gives

{"skill":"assess","input":"example.com"}

walk

Walk the graph from an indicator across its relationships. Answers without an API key.

graphcognitionkeyless

Examples it gives

{"skill":"walk","input":"example.com"}

watch

Watch an indicator for change/activity over time. Answers without an API key.

graphcognitionkeyless

Examples it gives

{"skill":"watch","input":{"action":"list"}}

submit

Submit an observation/claim into the graph. Writes to the graph, so it needs your API key: an anonymous claim would not be attributable.

graphcognitionapi-key

Examples it gives

{"skill":"submit","input":{"host":"example.com","claim":"benign"}}

explain

Explain a verdict - the evidence and reasoning behind it. Answers without an API key.

graphcognitionkeyless

Examples it gives

{"skill":"explain","input":"example.com"}

variants

Enumerate variants/permutations of an indicator. Answers without an API key.

graphcognitionkeyless

Examples it gives

{"skill":"variants","input":"example.com"}

origins

Trace the origins/provenance of an indicator. Answers without an API key.

graphcognitionkeyless

Examples it gives

{"skill":"origins","input":"example.com"}

history

Historical records for an indicator (incl. whois/bgp history). Answers without an API key.

graphcognitionkeyless

Examples it gives

{"skill":"history","input":"example.com"}

lookupTlsFingerprint

Look up a TLS (JA3/JA4) fingerprint in the graph. Answers without an API key.

graphcognitionkeyless

Examples it gives

{"skill":"lookupTlsFingerprint","input":"ja3:771,4865-4866-4867"}

lookupTorRelay

Look up Tor relay metadata for an address. Answers without an API key.

graphcognitionkeyless

Examples it gives

{"skill":"lookupTorRelay","input":"185.220.101.1"}

asset

Resolve an asset and its catalog of attributes. Answers without an API key.

graphcognitionkeyless

Examples it gives

{"skill":"asset","input":"example.com"}

threatintel

Threat-intelligence indicator family (candidate apex/CDN/hosting). A family verb: name the sub-verb as "sub" alongside the input. Sub-verbs: candidateCdnApex, candidateMultiTenantApex, candidateSharedHostingIp.. Answers without an API key.

graphcognitionkeylessfamily

Examples it gives

{"skill":"threatintel","sub":"candidateCdnApex","input":5}

psl

Public-suffix-list family (tld-plus-one, is-public-suffix, affiliation). A family verb: name the sub-verb as "sub" alongside the input. Sub-verbs: tldPlusOne, isPublicSuffix, affiliation.. Answers without an API key.

graphcognitionkeylessfamily

Examples it gives

{"skill":"psl","sub":"tldPlusOne","input":"a.b.example.co.uk"}

topAsnsByPrefixCount

Top ASNs ranked by announced-prefix count. Answers without an API key.

graphcognitionkeyless

Examples it gives

{"skill":"topAsnsByPrefixCount","input":10}

agents: agent

The agent operation on the Whisper control plane, served as CALL whisper.agents({op:'agent', args:{...}}). Requires your Whisper API key. The identifier in the example is a placeholder for one of YOUR agents: list them with the "agents.list" skill and {"kind":"agents"}.

control-planeagentsagentapi-key

Examples it gives

{"skill":"agents.agent","input":{"agent":"ag_1f4c0b"}}

agents: alert

The alert operation on the Whisper control plane, served as CALL whisper.agents({op:'alert', args:{...}}). Requires your Whisper API key. With no arguments it describes what you already have, so the example below runs as published.

control-planeagentsalertapi-key

Examples it gives

{"skill":"agents.alert","input":{}}

agents: connect

The connect operation on the Whisper control plane, served as CALL whisper.agents({op:'connect', args:{...}}). Requires your Whisper API key. With no arguments it describes what you already have, so the example below runs as published.

control-planeagentsconnectapi-key

Examples it gives

{"skill":"agents.connect","input":{}}

agents: disconnect

The disconnect operation on the Whisper control plane, served as CALL whisper.agents({op:'disconnect', args:{...}}). Requires your Whisper API key. With no arguments it describes what you already have, so the example below runs as published.

control-planeagentsdisconnectapi-key

Examples it gives

{"skill":"agents.disconnect","input":{}}

agents: domain

The domain operation on the Whisper control plane, served as CALL whisper.agents({op:'domain', args:{...}}). Requires your Whisper API key.

control-planeagentsdomainapi-key

Examples it gives

{"skill":"agents.domain","input":{"name":"example.com"}}

agents: firewall

The firewall operation on the Whisper control plane, served as CALL whisper.agents({op:'firewall', args:{...}}). Requires your Whisper API key. The identifier in the example is a placeholder for one of YOUR agents: list them with the "agents.list" skill and {"kind":"agents"}.

control-planeagentsfirewallapi-key

Examples it gives

{"skill":"agents.firewall","input":{"agent":"ag_1f4c0b"}}

agents: history

The history operation on the Whisper control plane, served as CALL whisper.agents({op:'history', args:{...}}). Requires your Whisper API key. The identifier in the example is a placeholder for one of YOUR agents: list them with the "agents.list" skill and {"kind":"agents"}.

control-planeagentshistoryapi-key

Examples it gives

{"skill":"agents.history","input":{"address":"2a04:2a01:f6d7:1ffe:a0be:ba8a:c355:bba1"}}

agents: host

The host operation on the Whisper control plane, served as CALL whisper.agents({op:'host', args:{...}}). Requires your Whisper API key.

control-planeagentshostapi-key

Examples it gives

{"skill":"agents.host","input":{"name":"my-host"}}

agents: identity

The identity operation on the Whisper control plane, served as CALL whisper.agents({op:'identity', args:{...}}). Requires your Whisper API key. With no arguments it describes what you already have, so the example below runs as published.

control-planeagentsidentityapi-key

Examples it gives

{"skill":"agents.identity","input":{}}

agents: list

The list operation on the Whisper control plane, served as CALL whisper.agents({op:'list', args:{...}}). Requires your Whisper API key.

control-planeagentslistapi-key

Examples it gives

{"skill":"agents.list","input":{"kind":"agents"}}

agents: logs

The logs operation on the Whisper control plane, served as CALL whisper.agents({op:'logs', args:{...}}). Requires your Whisper API key. With no arguments it describes what you already have, so the example below runs as published.

control-planeagentslogsapi-key

Examples it gives

{"skill":"agents.logs","input":{}}

agents: lookups

The lookups operation on the Whisper control plane, served as CALL whisper.agents({op:'lookups', args:{...}}). Requires your Whisper API key. With no arguments it describes what you already have, so the example below runs as published.

control-planeagentslookupsapi-key

Examples it gives

{"skill":"agents.lookups","input":{}}

agents: partner

The partner operation on the Whisper control plane, served as CALL whisper.agents({op:'partner', args:{...}}). Requires your Whisper API key. It is gated on partner authority rather than on arguments: without it the call is refused whatever you pass.

control-planeagentspartnerapi-key

Examples it gives

{"skill":"agents.partner","input":{}}

agents: policy

The policy operation on the Whisper control plane, served as CALL whisper.agents({op:'policy', args:{...}}). Requires your Whisper API key. With no arguments it describes what you already have, so the example below runs as published.

control-planeagentspolicyapi-key

Examples it gives

{"skill":"agents.policy","input":{}}

agents: register

The register operation on the Whisper control plane, served as CALL whisper.agents({op:'register', args:{...}}). Requires your Whisper API key.

control-planeagentsregisterapi-key

Examples it gives

{"skill":"agents.register","input":{"label":"my-first-agent"}}

agents: rename

The rename operation on the Whisper control plane, served as CALL whisper.agents({op:'rename', args:{...}}). Requires your Whisper API key. The identifier in the example is a placeholder for one of YOUR agents: list them with the "agents.list" skill and {"kind":"agents"}.

control-planeagentsrenameapi-key

Examples it gives

{"skill":"agents.rename","input":{"agent":"ag_1f4c0b","label":"renamed-agent"}}

agents: resolver

The resolver operation on the Whisper control plane, served as CALL whisper.agents({op:'resolver', args:{...}}). Requires your Whisper API key. With no arguments it describes what you already have, so the example below runs as published.

control-planeagentsresolverapi-key

Examples it gives

{"skill":"agents.resolver","input":{}}

agents: revoke

The revoke operation on the Whisper control plane, served as CALL whisper.agents({op:'revoke', args:{...}}). Requires your Whisper API key. The identifier in the example is a placeholder for one of YOUR agents: list them with the "agents.list" skill and {"kind":"agents"}.

control-planeagentsrevokeapi-key

Examples it gives

{"skill":"agents.revoke","input":{"agent":"ag_1f4c0b"}}

agents: task

The task operation on the Whisper control plane, served as CALL whisper.agents({op:'task', args:{...}}). Requires your Whisper API key. The identifier in the example is a placeholder for one of YOUR agents: list them with the "agents.list" skill and {"kind":"agents"}.

control-planeagentstaskapi-key

Examples it gives

{"skill":"agents.task","input":{"agent":"ag_1f4c0b"}}

agents: token

The token operation on the Whisper control plane, served as CALL whisper.agents({op:'token', args:{...}}). Requires your Whisper API key. The identifier in the example is a placeholder for one of YOUR agents: list them with the "agents.list" skill and {"kind":"agents"}.

control-planeagentstokenapi-key

Examples it gives

{"skill":"agents.token","input":{"agent":"ag_1f4c0b"}}

agents: verify

The verify operation on the Whisper control plane, served as CALL whisper.agents({op:'verify', args:{...}}). Requires your Whisper API key.

control-planeagentsverifyapi-key

Examples it gives

{"skill":"agents.verify","input":{"name":"example.com"}}

Technical agent card

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

Provider: Whisper Security — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 0.219.2
Auth schemes: whisperApiKey
Card completeness: complete all eight fields required by a2a.proto v1.0

View all card details

Capabilities: extendedAgentCard pushNotifications streaming
Agent card: https://whisper.online/.well-known/agent-card.json

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