x402 census · dependency-truth.inboxtzdjqv.workers.dev · 1b674718051d · JSON

POST /v1/dependency-truth

unprobed

Verify the current stable npm or PyPI package release and check a version/date claim against canonical registry metadata.

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

Field Value

URL https://dependency-truth.inboxtzdjqv.workers.dev/v1/dependency-truth

Method POST

Price $0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0xdad220a587f607748B1F512f5fd93Aa3b7EE32Ac

Seller dependency-truth.inboxtzdjqv.workers.dev

Catalogs payai (row updated 2026-09-20)

Listed since (lower bound) 2026-09-20 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-20

CDP quality counters not in the CDP catalog

Category (keyword rule) other/unknown

Templated path no

x402Version in catalog 2

Service name / tags none

Unpaid probe (census of )

Field

Value

Probe

not 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)

Field

Value

Settlement history

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

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "package": "express",
   "ecosystem": "npm",
   "claimedVersion": "5.1.0"
  },
  "type": "http",
  "method": "POST",
  "bodyType": "json"
 },
 "output": {
  "type": "json",
  "example": {
   "claim": {
    "version": "5.1.0",
    "dateCurrent": null,
    "publishedDate": null,
    "versionCurrent": true
   },
   "flags": [],
   "yanked": false,
   "package": "express",
   "ecosystem": "npm",
   "fetchedAt": "2026-09-20T12:00:00.000Z",
   "deprecated": null,
   "publishedAt": "2025-03-31T14:24:25.696Z",
   "stableVersion": "5.1.0",
   "provenanceUrls": [
    "https://www.npmjs.com/package/express",
    "https://registry.npmjs.org/express"
   ]
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://dependency-truth.inboxtzdjqv.workers.dev/v1/dependency-truth' -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/1b674718051d/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"1b674718051d"} 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: PayAI listing status · this record as JSON · all resources on dependency-truth.inboxtzdjqv.workers.dev.