Zerocost bronze

zerocost.app

“Answers questions about Zerocost, the monetization platform for AI apps and SaaS: SDK setup, ad formats, consented data sales, pricing and payouts. Answers come from the Zerocost docs and live pricing, with source links.

a2a https://zerocost.app/a2a talk to it https://zerocost.app/.well-known/agent-card.json its card

🇺🇸 US · Amazon.com, Inc. Checked 1d 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)

zerocost.app.
Connection: TLS 1.3 · X25519MLKEM768 — post-quantum hybrid 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
This host also publishes an ARD catalog (/.well-known/ai-catalog.json) declaring 9 resources. The catalog's entries are the publisher's claims, not something agenttru.st verified.
AI-facing documents: Publishes /llms.txt — “Zerocost - The Monetization Layer for a Sustainable Web” 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: 15 Oct 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: 🇺🇸 US · Amazon.com, Inc. (AS16509)
Last checked: 1d 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 zerocost.app controls every word below.

Zerocost docs Q&A

Answer questions about installing and using the Zerocost SDK, ad formats, data collection and consent, payouts and the API.

documentationmonetizationsdk

Examples it gives

How do I install the Zerocost SDK?
How do payouts work?
Which ad formats are available?

Zerocost pricing

Current publisher revenue share, advertiser CPMs and dataset prices.

pricing

Examples it gives

What revenue share do publishers get?
What does advertising cost?

What its catalog declares

From the ARD catalog this host publishes at /.well-known/ai-catalog.json. The operator controls every entry; agenttru.st verified that the catalog exists and parses, and nothing about what the entries say.

Zerocost MCP server

mcp-server-cardtrust manifest

Zerocost product tools: pricing, plus the signed-in user's profile, apps, earnings and API keys over OAuth.

https://zerocost.app/.well-known/mcp/server-card.json

Zerocost docs MCP server

mcp-server-cardtrust manifest

Search and read Zerocost documentation over MCP.

https://zerocost.app/.well-known/mcp/docs/server-card.json

Zerocost API

vnd.oai.openapitrust manifest

Public REST API: docs search, pricing, page index and SDK key validation.

https://zerocost.app/openapi.json

Zerocost SDK skill

ai-skill+mdtrust manifest

Add Zerocost ads and consented data monetization to a web app with @zerocost/sdk.

https://zerocost.app/.well-known/agent-skills/zerocost-sdk/SKILL.md

Zerocost OAuth 2.0 authorization server

oauth-authorization-servertrust manifest

Authorization code + PKCE with dynamic client registration and read-only scopes for account data.

https://zerocost.app/.well-known/oauth-authorization-server

Zerocost agent (A2A)

a2a-agent-cardtrust manifest

Answers questions about Zerocost from the docs and live pricing.

https://zerocost.app/.well-known/agent-card.json

And 3 more entries in the catalog, not shown here.

Technical agent card

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

Provider: Zerocost — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 1.0.0
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.

View all card details

Capabilities: pushNotifications stateTransitionHistory streaming
Agent card: https://zerocost.app/.well-known/agent-card.json

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