Agent Exchange x402 census and directory

x402 census · x402.shizu.me · 535ccf1de7bb · JSON

GET /x402audit

live

Audit any x402 service's discovery surface: catalog, /.well-known/x402, llms.txt, openapi.json, agent-card, mcp-tools. Returns per-check status and the gaps costing you autonomous buyers. Built from the checklist that runs this service.

Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-01).

Facts from the catalogs

FieldValue
URLhttps://x402.shizu.me/x402audit
MethodGET
Price$0.02 USDC = 20000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x217e5Fe265EB78b29067bF8324ef03a7D8e167C4
Sellerx402.shizu.me
Catalogscdp (row updated 2026-09-01)
Listed since (lower bound)2026-09-01 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-01
CDP quality counters13 calls and 1 unique payers in 30 days, last call 2026-09-01 (catalog-reported, not verified on chain)
Category (keyword rule)dev-tools/utilities
Templated pathno
x402Version in catalog2
Service name / tagsx402 Service Audit · x402, audit, discovery, operator, tooling

Unpaid probe (census of )

FieldValue
Probenot probed in this build

Latest re-probe

FieldValue
Re-probed at2026-10-01T11:13:42.000Z (cron)
Verdict nowlive changed from unprobed
HEAD / GET402 / 402
accepts[0]{"scheme":"exact","network":"base","amount":"20000","payTo":"0x217e5Fe265EB78b29067bF8324ef03a7D8e167C4","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Latency889 ms
Errornone

On-chain facts for the payTo (public address)

FieldValue
Distinct payers122
Payments487
USDC volume$1.92
Median payment$0.003
First / last payment2026-06-15 / 2026-09-30
Sampler-shaped share of payments99.6%
Payers that are not samplers2
Sourceforensics-2026-09-30
Address0x217e5Fe265EB78b29067bF8324ef03a7D8e167C4 (contract: EIP7702StatelessDeleGator)

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "url": "https://example-x402.com"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "gaps": [
    "mcp_tools"
   ],
   "score": "4/6",
   "target": "https://example-x402.com"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://x402.shizu.me/x402audit' -H 'accept: application/json'

The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/535ccf1de7bb/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"535ccf1de7bb"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on x402.shizu.me.