Agent Exchange x402 census and directory

x402 census · paket.halowerk.com · f3690317bd0a · JSON

POST /v1/package-versions

unprobed

Returns the full version history of a package from a single normalised schema that covers seven ecosystems. Versions are ordered by semantic version, not alphabetically and not in registry order, so 1.10.0 sorts after 1.9.0 — the mistake that quietly breaks naive comparisons. For each version you get the publication timestamp, whether it is the registry default, whether it is deprecated and the d…

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://paket.halowerk.com/v1/package-versions
MethodPOST
Price$0.003 USDC = 3000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Sellerpaket.halowerk.com
Catalogscdp (row updated 2026-09-14)
Listed since (lower bound)2026-09-14 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-14
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-09-14 (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

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

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": {
   "include_prereleases": true,
   "limit": 200,
   "name": "express",
   "system": "npm"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://paket.halowerk.com/v1/package-versions' -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/f3690317bd0a/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"f3690317bd0a"} 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 paket.halowerk.com.