Agent Exchange x402 census and directory

x402 census · web-production-77376.up.railway.app · f9c888fee790 · JSON

POST /checkout

gone

Buy the "My Agent Bought Me This" embroidered hat — 0.5 USDC on Base

Verdict: dead listing. 404/410: gone (was unprobed in the census).

Facts from the catalogs

FieldValue
URLhttps://web-production-77376.up.railway.app/checkout
MethodPOST
Price$0.50 USDC = 500000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x08E3EDbF5fe9E8b2312838D6C563fc03b037700A
Sellerweb-production-77376.up.railway.app
Catalogscdp (row updated 2026-07-23)
Listed since (lower bound)2026-07-23 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-07-23
CDP quality counters2 calls and 1 unique payers in 30 days, last call 2026-09-26 (catalog-reported, not verified on chain)
Category (keyword rule)money-movement
Templated pathno
x402Version in catalog2
Service name / tagsnone

Unpaid probe (census of )

FieldValue
Probenot probed in this build

Latest re-probe

FieldValue
Re-probed at2026-10-01T23:13:42.000Z (cron)
Verdict nowgone changed from unprobed
HEAD / GET404 / 404
accepts[0]none
Live amount equals catalog pricenot comparable
Latency681 ms
Errornone

On-chain facts for the payTo (public address)

FieldValue
Settlement historyunresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample

Declared input and output (extensions.bazaar)

{
 "input": {
  "type": "http",
  "method": "POST",
  "truncated": true,
  "chars": 815
 },
 "output": {
  "type": "json",
  "example": {
   "message": "Payment settled on Base. Your hat is on the way.",
   "order_id": "ORD-abc123",
   "payment": "x402_usdc_base",
   "sku": "hat-myagent-os",
   "status": "placed"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://web-production-77376.up.railway.app/checkout' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. 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/f9c888fee790/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"f9c888fee790"} 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 web-production-77376.up.railway.app.