Agent Exchange x402 census and directory

x402 census · zoll.halowerk.com · e87390688b28 · JSON

POST /v1/dual-use

live

Matches declared classification tokens against a supplied published dual-use control list. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age. This is neither legal advice nor customs advice.

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

Facts from the catalogs

FieldValue
URLhttps://zoll.halowerk.com/v1/dual-use
MethodPOST
Price$0.003 USDC = 3000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Sellerzoll.halowerk.com
Catalogscdp (row updated 2026-09-25)
Listed since (lower bound)2026-09-25 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-25
CDP quality counters4 calls and 4 unique payers in 30 days, last call 2026-09-25 (catalog-reported, not verified on chain)
Category (keyword rule)other/unknown
Templated pathno
x402Version in catalog2
Service name / tagsnone

Unpaid probe (census of )

FieldValue
Probenot probed in this build

Latest re-probe

FieldValue
Re-probed at2026-10-01T12:13:42.000Z (cron)
Verdict nowlive changed from unprobed
HEAD / GET402 / 402
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"3000","payTo":"0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Latency527 ms
Errornone

On-chain facts for the payTo (public address)

FieldValue
Distinct payers13
Payments94
USDC volume$0.33
Median payment$0.003
First / last payment2026-08-10 / 2026-09-30
Sampler-shaped share of payments98.9%
Payers that are not samplers1
Sourceforensics-2026-09-30
Address0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E (contract: EIP7702StatelessDeleGator)

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "candidate_codes": [
    "3A225"
   ],
   "commodity_description": "frequency converter",
   "control_entries": [
    {
     "code": "3A225",
     "keywords": [
      "frequency",
      "converter"
     ]
    }
   ],
   "source": {
    "published_at": "2026-09-01T00:00:00Z",
    "title": "Regulation (EU) 2021/821",
    "url": "https://eur-lex.europa.eu/eli/reg/2021/821/oj"
   }
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://zoll.halowerk.com/v1/dual-use' -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/e87390688b28/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"e87390688b28"} 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 zoll.halowerk.com.