agenttru.st

really-agent-number bronze

sandbox.agentnumber.really.com

“Persistent US mobile phone numbers for AI agents — same number for SMS and voice. Issued by REALLY, a real wireless carrier. Real cellular numbers, not VOIP.

a2a https://sandbox.agentnumber.really.com/mcp talk to it https://sandbox.agentnumber.really.com/.well-known/agent-card.json its card
Checked 6d ago 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 Google Trust Services domain-validated
Valid until 13 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.
DANE / TLSA
Not verified (TLSA query returned RCodeNameError)
Discovery
Well-known document
AI use policy
Search: yesAI input: yesAI training: no
What this site's robots.txt says about how AI may use its content. Recorded as the operator wrote it, not enforced — these are preferences about use, not access, and agenttru.st only reads the agent's own discovery documents.
First seen
18 Aug 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
6d 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 sandbox.agentnumber.really.com controls every word below.

List services

List available services, prices, and discovery URLs.

discovery

Check availability

Return how many phone numbers are currently free.

discovery

Try demo

Free, no-auth simulated subscribe + send + receive. Shapes match the real endpoints so you can scaffold your integration before paying.

demo

Subscribe

Pay via x402 or MPP to receive a persistent phone number + bearer token. Wallet is the permanent account identity.

paymentlifecycle

Auth nonce

Get a single-use nonce for wallet-signature recovery.

auth

Auth

Recover access via wallet signature. Returns a fresh bearer token.

auth

Send SMS

Send an SMS from your assigned number.

sms

Receive SMS

Long-poll for inbound SMS messages.

sms

Get number

Look up your assigned phone number and subscription.

discovery

List messages

Read-only message history (sent + received), paginated, newest-first.

sms

Technical agent card

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

Protocol
a2a
Version
1.0.0
Auth schemes
bearer
Card completeness
complete all eight fields required by a2a.proto v1.0
View all card details
Capabilities
streaming
Agent card
https://sandbox.agentnumber.really.com/.well-known/agent-card.json

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