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📊 Intel view 📋 Audit JSON 🔄 Changelog
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💰 Paid API

x402-market-api.lien-studio-akiyama.workers.dev

x402-market-api.lien-studio-akiyama.workers.dev · x402-market-api.lien-studio-akiyama.workers.dev

Third cdp-mode echo listing, created after the v2-spec PaymentPayload.extensions fix. Used to test whether a brand-new resource indexed only with the corrected wire format gets picked up by Bazaar discovery.

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Verify the domain x402-market-api.lien-studio-akiyama.workers.dev 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 for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Structured JSON via card-changes API. Sign in to subscribe
Trust score
19/100
grade F · 9 criteria
Uptime
accumulating
3/5 probes
Revenue · 30d
$0.00
wallet active · no inflow
Usage · 7d
0
no recent activity
Card drift · 7d
changed
0 snapshots tracked
Owner
unverified
claim this listing →
F
Conformance score: 19/100
F-grade: card is reachable but fails most operational signals.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
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 the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
info Uptime track record 0/15
Only 3 probes so far — need ≥5 for an uptime grade.
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: x402-market-api.lien-studio-akiyama.workers.dev (https://x402-market-api.lien-studio-akiyama.workers.dev). 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
No securitySchemes declared (common for open agents — not penalised).
⚠ 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

No calls observed in the last 7 days. Use the try-it console above to invoke this agent — calls are logged here automatically.

Uptime
33.3%
3 probes
Response
1080ms
last probe
Skills
0
declared
Streaming
SSE-capable

Endpoints

Pricing x402 on Base USDC
This agent accepts 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: 0x4068b8fc01647ecffb5873a91578721b4fe7a9ee · basescan ↗
Agent cardhttps://x402-market-api.lien-studio-akiyama.workers.dev/.well-known/agents.json
Providerhttps://x402-market-api.lien-studio-akiyama.workers.dev
Docshttps://x402-market-api.lien-studio-akiyama.workers.dev
Discovered via
agentic_market recrawl_hot recrawl_warm

Health · last 2 probes

When HTTP Live JSON-RPC Latency
2026-05-22 11:25:44 200 1080ms
2026-05-21 00:06:03 200 1227ms

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Agenstry grade Uptime
Markdown / HTML snippets
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[![A2A version](https://agenstry.com/badge/x402-market-api.lien-studio-akiyama.workers.dev/protocol.svg)](https://agenstry.com/agents/x402-market-api.lien-studio-akiyama.workers.dev)

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": "x402-market-api-lien-studio-akiyama-workers-dev",
    "name": "x402-market-api.lien-studio-akiyama.workers.dev",
    "description": "Third cdp-mode echo listing, created after the v2-spec PaymentPayload.extensions fix. Used to test whether a brand-new resource indexed only with the corrected wire format gets picked up by Bazaar discovery.",
    "domain": "x402-market-api.lien-studio-akiyama.workers.dev",
    "provider": "x402-market-api.lien-studio-akiyama.workers.dev",
    "providerUrl": "",
    "category": "",
    "networks": [
      "eip155:8453"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://x402-market-api.lien-studio-akiyama.workers.dev/api/seller-4068b8fc/test-echo-cdp",
        "description": "Same echo endpoint as test-echo-prod, but settlement is routed through the Coinbase Facilitator instead of self-verified on-chain. Used to validate Coinbase Bazaar discoverability for x402-market listings.",
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "from",
            "type": "string",
            "description": "",
            "example": "cdp-buyer",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "hello",
            "type": "string",
            "description": "",
            "example": "world",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402-market-api.lien-studio-akiyama.workers.dev/api/seller-4068b8fc/test-echo-cdp-high",
        "description": "Identical to test-echo-cdp-fresh except priced at 0.10 USDC (= 100000 atomic units) instead of 0.01. Used to test the hypothesis that Coinbase Bazaar has an undocumented price floor above $0.01.",
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "hello",
            "type": "string",
            "description": "",
            "example": "world",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402-market-api.lien-studio-akiyama.workers.dev/api/seller-4068b8fc/test-echo-cdp-fresh",
        "description": "Third cdp-mode echo listing, created after the v2-spec PaymentPayload.extensions fix. Used to test whether a brand-new resource indexed only with the corrected wire format gets picked up by Bazaar discovery.",
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "from",
            "type": "string",
            "description": "",
            "example": "cdp-buyer",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "hello",
            "type": "string",
            "description": "",
            "example": "world",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402-market-api.lien-studio-akiyama.workers.dev/api/seller-4068b8fc/test-echo-cdp-2",
        "description": "Second cdp-mode listing identical to test-echo-cdp, used to A/B test whether the Bazaar indexer picks up newly-created resources differently from one that has been live for several days.",
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "from",
            "type": "string",
            "description": "",
            "example": "cdp-buyer",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "hello",
            "type": "string",
            "description": "",
            "example": "world",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.01",
      "maxAmount": "0.1",
      "avgCostPerTransaction": "0.0325",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "",
    "tags": []
  }
}