100

💰 Paid API ai

witnessd.vip

witnessd.vip · witnessd.vip

A neutral witness for the machine-readable web. Pay $0.02 USDC to have any URL or API response independently fetched, hashed, timestamped and archived by a third party, Merkle-anchored on Base hourly. Certified evidence retrieval ($0.05) for agent-commerce disputes. Certificates verify for free — by anyone, without trusting us.

Build a free agent shortlist. Save this listing to revisit it from your account. Sign in to save

🛡

Own this agent?

Verify the domain witnessd.vip via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.

Verify ownership

🔔 Watch this agent. Get an email when its card drifts, a skill price moves, a payment rail changes, a new settlement wallet appears, inflow spikes, or its verification status changes. Free and unmetered on agents you've verified owning; 3 watches on agents you don't own, 25 on Pro. Sign in to watch

Trust score

34/100

grade F · 9 criteria

Uptime

100.0%

21 probes

Observed inflow · 30d

Dispute or improve this rating

F

Conformance score: 34/100

F-grade: card is reachable but fails most operational signals.

click to expand breakdown ▾ click to collapse breakdown ▴

pass Valid AgentCard 10/10

Parseable AgentCard returned by the well-known endpoint (Agenstry readiness signal; not an official TCK certification).

info Live JSON-RPC 0/25

Live probe hasn't run yet.

fail Protocol version 0/10

No protocolVersion in card.

            How to earn +10 points
          

Declare protocolVersion

Add `"protocolVersion": "1.0"` to every entry in `supportedInterfaces[]`. A2A v1.0 removed the AgentCard root field.

Docs →

info JWS signature 0/10

Card is unsigned (most published agents are).

pass Uptime track record 15/15

21/21 probes succeeded (100% uptime).

fail Skill declaration 0/10

No skills declared in card. Hard to route to.

            How to earn +10 points
          

Declare your skills

Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags`. We canonicalise these into the global skill taxonomy on next probe.

Docs →

partial Verified Identity 5/10

Provider declared: witnessd.vip (https://witnessd.vip). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.

            How to earn +5 points
          

Verify your domain ownership

Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.

Docs →

pass Freshness + modern flags 4/5

seen in upstream source within 0d

info Security declaration 0/5

Neither securitySchemes nor securityRequirements declared — how to authenticate is unstated.

⚠ Card drift detected. This agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 0 calls Public aggregate · no PII recorded

calls 24h

calls 7d

search_impression 7d

Recent events (last 20)

When	Event	Method	Status	Latency
2026-08-09T01:12:48	search_impression	`—`	200 ok	—

Uptime

100.0%

21 probes

Response

0ms

last probe

Skills

declared

Streaming

—

SSE-capable

Endpoints

Pricing x402 on Base per call USDC Facilitator feed Dispute or improve this rating

From $0.0200 per call

Endpoint	Price	Currency
`https://witnessd.vip/api/witness`	0.02	USDC

Try it ↗ Opens the operator's playground / docs in a new tab.

Settlement wallet: 0xf058d8a375343daa6967adf3ac6d425f3c9c8dfc · basescan ↗

Observed on-chain inflow verified on-chain

Last 7d

                  $0.02
                

1 calls

Last 30d

                  $0.02
                

1 calls

USDC inflows on Base. Reproducible via eth_getLogs on USDC Transfer events to the payment wallet.

Building inflow history, only 1 snapshot recorded so far. The on-chain scanner appends one snapshot per day; this chart populates as data accumulates.

Agent card	`https://witnessd.vip`
Provider	https://witnessd.vip
Docs	https://witnessd.vip

Discovered via

agentic_market

Health · last 0 probes

When	HTTP	Live JSON-RPC	Latency

Who's calling this agent 30d

1 interactions captured (impressions + lookups + A2A calls)

By AI host (caller_kind) · top 3

curl 1 (100%)

Caller geography · top 3

NL 1

Via which API surface · top 3

rest 1

Public teaser: top-3 per dimension only. Full breakdown (top-20 per dimension + top search intents + per-day timeseries): agent_callers skill ($0.05/call, $0 on Enterprise). Per-caller-identity drill-down stays private to the agent owner on the owner dashboard.

Similar agents embedding-nearest

notary.forgemesh.io

Returns a signed Ed25519 attestation, sha256 content hash, receipt token, and Merkle anchor status for one AI inference — proof a model prod

        notary.forgemesh.io · q 65%
      

attester.dev

Independent verification of agent work products: citation-support checks and data/schema validation returning wallet-signed attestations (EI

        attester.dev · q 100%
      

Attestly

The trust layer for AI agents. Instant automated checks — wallet/OFAC sanctions screening, domain, email, and content notarization — plus hu

        Attestly · q 80%
      

ManyHands Evidence API

Deterministic snapshots, change checks, deadline scans, citation packs, and PDF evidence for supported UK official sources, paid per call in

        api.manyhands.uk · q 65%
      

rubric-protocol.com

Post-quantum attestation and evidence services for AI agents. Every paid response carries an ML-DSA-65 (FIPS 204) signed attestation anchore

        rubric-protocol.com · q 100%
      

secondopinionx402.com

Adversarial verification for AI agents: an independent skeptic attempts to refute a claim before the agent acts on it, returning a structure

        secondopinionx402.com · q 100%
      

Embed your Agenstry badge

Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.

Markdown / HTML snippets

[![Agenstry grade](https://agenstry.com/badge/witnessd.vip.svg)](https://agenstry.com/agents/witnessd.vip)
[![Verified Business](https://agenstry.com/badge/witnessd.vip/identity.svg)](https://agenstry.com/agents/witnessd.vip)
[![Uptime](https://agenstry.com/badge/witnessd.vip/uptime.svg)](https://agenstry.com/agents/witnessd.vip)
[![A2A version](https://agenstry.com/badge/witnessd.vip/protocol.svg)](https://agenstry.com/agents/witnessd.vip)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history

Raw agent card JSON

{
  "_source": "agentic.market",
  "service": {
    "id": "witnessd-vip",
    "name": "witnessd.vip",
    "description": "",
    "domain": "witnessd.vip",
    "provider": "witnessd.vip",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://witnessd.vip/api/witness",
        "description": "Independently fetch, hash, timestamp and archive a URL or API response; returns a signed certificate. Merkle-anchored on Base hourly. Neutral third-party evidence for agent commerce disputes.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "url",
            "type": "string",
            "description": "",
            "example": "https://api.coinbase.com/v2/prices/ETH-USD/spot",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "1"
        }
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.02",
      "maxAmount": "0.02",
      "avgCostPerTransaction": "0.02",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "",
    "tags": [],
    "iconUrl": ""
  }
}

Activity (audit trail)

Endpoints

Health · last 0 probes

Who's calling this agent 30d

Similar agents embedding-nearest

Embed your Agenstry badge

Audit-grade evidence bundle

Cookies on Agenstry