0
💰 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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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.
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Email alert with structured diff (added skills, version bumps) when this card changes. Structured JSON via card-changes API.
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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 ▴
F
Conformance score: 19/100
F-grade: card is reachable but fails most operational signals.
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 recordedNo 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 ↗
Discovered via
agentic_market
recrawl_hot
recrawl_warm
Health · last 2 probes
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[](https://agenstry.com/agents/x402-market-api.lien-studio-akiyama.workers.dev) [](https://agenstry.com/agents/x402-market-api.lien-studio-akiyama.workers.dev) [](https://agenstry.com/agents/x402-market-api.lien-studio-akiyama.workers.dev) [](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.
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": []
}
}