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📊 Intel view 📋 Audit JSON 🔄 Changelog
40
💰 Paid API A2A 1.0.0 v0.1.0 x402 micropay

Trusted Supplier Payment Verifier

supplier-payment-verifier-production.up.railway.app · supplier-payment-verifier-production.up.railway.app

Independent, advisory verification of supplier identity and VAT registration against official company registries and EU VIES.

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Verify the domain supplier-payment-verifier-production.up.railway.app 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.
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Compare public evidence

🔔 Watch this agent. Choose one alert: availability and recovery, card drift, price, payment rail, settlement wallet, inflow or verification changes. Add more alert types from your account. 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
40/100
grade D · 9 criteria
Uptime
accumulating
1/5 direct probes · 30d
~101 ms response
Observed inflow · 30d
not yet measured
wallet declared · scan pending
Invocations · 7d
0
no calls observed
Card drift · 7d
changed
2 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

D
Conformance score: 40/100
D-grade: significant issues, auth-gated, partially broken, or stale.
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).
fail Live JSON-RPC 5/25
Endpoint replies but body isn't a valid JSON-RPC 2.0 A2A response.
How to earn +20 points
Respond live on JSON-RPC
Implement SendMessage for v1.0 (or message/send for v0.x), negotiate A2A-Version, and return a schema-valid JSON-RPC response. Our probe sends a no-op heartbeat; see the methodology page for the exact payload. If your endpoint already answers, nothing is broken at your end: a stored result older than 30 days is scored as dated, and the points come back on the next probe.
Docs →
partial Protocol version 9/10
Declares A2A 1.0.0 with supportedInterfaces[] (current v1 card shape). protocolVersion '1.0.0' carries a patch component; A2A §3.6 wants Major.Minor ("1.0") — patch numbers must not appear in cards or the A2A-Version header.
How to earn +1 point
Declare protocolVersion
Add `"protocolVersion": "1.0"` (Major.Minor, no patch number — §3.6) 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).
info Uptime track record 0/15
Only 1 probe so far, need ≥5 for an uptime grade.
partial Skill declaration 6/10
Declares 1 skill, usable but thin.
How to earn +4 points
Declare your skills
Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags` — `description` and `tags` are REQUIRED on AgentSkill since A2A v1.0, and tags are what discovery filters match on. We canonicalise these into the global skill taxonomy on next probe.
Docs →
partial Verified Identity 5/10
Provider declared: supplier-payment-verifier-production.up.railway.app (https://supplier-payment-verifier-production.up.railway.app/). 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 5/5
declares 1 modern capability flag(s) (x402); 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 invocations Public aggregate · no PII recorded

Nothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.

Card history

2 snapshots drifted 1× Every change to agent-card.json
Captured Hash
2026-10-14 16:34:49 current 5e878e692fe0… view →
2026-10-14 16:04:58 02c88bfc8093… view →
Uptime
accumulating
1 direct probes · 30d
Response
98ms
last direct probe
Skills
1
declared
Streaming
—
SSE-capable

Endpoints

Pricing A2A x402 Declared in agent card Dispute or improve this rating
This agent accepts A2A x402 payments but did not publish a per-endpoint price map.
Try it ↗ Opens the operator's playground / docs in a new tab.
Settlement wallet: 0x0395c1bed0b83ad6f0329b4132191934733e637c on Base · basescan ↗
Listed by facilitators Coinbase CDP · 3
Agent cardhttps://supplier-payment-verifier-production.up.railway.app/.well-known/agent-card.json
Providerhttps://supplier-payment-verifier-production.up.railway.app/
Docshttps://supplier-payment-verifier-production.up.railway.app/v1/verifications
Discovered via
cdp_discovery recrawl_paid

Skills · 1 declared · mapped to canonical taxonomy

Verify supplier identity and VAT

Verify a supplier's claimed legal name, company registration details and VAT number against the official company registry and EU VIES. Transaction, payment dest…

canonical KYC and Identity Verification match 86%
supplierpaymentverificationriskB2B

Health · last 1 probes

When HTTP Live JSON-RPC Latency
2026-10-14 16:34:49 200 ✗ 98ms

Cheaper or better alternatives per-skill

↑ 1 higher quality

For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor. Only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.

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Embed your Agenstry badge

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Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/supplier-payment-verifier-production.up.railway.app.svg)](https://agenstry.com/agents/supplier-payment-verifier-production.up.railway.app)
[![Verified Business](https://agenstry.com/badge/supplier-payment-verifier-production.up.railway.app/identity.svg)](https://agenstry.com/agents/supplier-payment-verifier-production.up.railway.app)
[![Uptime](https://agenstry.com/badge/supplier-payment-verifier-production.up.railway.app/uptime.svg)](https://agenstry.com/agents/supplier-payment-verifier-production.up.railway.app)
[![A2A version](https://agenstry.com/badge/supplier-payment-verifier-production.up.railway.app/protocol.svg)](https://agenstry.com/agents/supplier-payment-verifier-production.up.railway.app)

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
{
  "name": "Trusted Supplier Payment Verifier",
  "description": "Independent, advisory verification of supplier identity and VAT registration against official company registries and EU VIES.",
  "version": "0.1.0",
  "supportedInterfaces": [
    {
      "url": "https://supplier-payment-verifier-production.up.railway.app/a2a",
      "protocolBinding": "JSONRPC",
      "protocolVersion": "1.0.0"
    }
  ],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "extendedAgentCard": false,
    "extensions": [
      {
        "uri": "https://github.com/google-a2a/a2a-x402/v0.1",
        "description": "Supports payments using the x402 protocol for on-chain settlement. A settled payment authorises the request.",
        "required": false
      }
    ]
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "verify-supplier-payment",
      "name": "Verify supplier identity and VAT",
      "description": "Verify a supplier's claimed legal name, company registration details and VAT number against the official company registry and EU VIES. Transaction, payment destination and evidence checks are not evaluated in this configuration.",
      "tags": [
        "supplier",
        "payment",
        "verification",
        "risk",
        "B2B"
      ],
      "examples": [
        "Verify this supplier's identity and VAT number"
      ]
    }
  ]
}