x402 census · api.maxwellinternational.ai · e2a5a5eff683 · JSON

GET /v1/registry/npm

unprobed

npm package card from the official registry: latest or a given version, description, license, maintainers, keywords, repository, dependencies count and publish dates. Required: name; optional: version. Cached.

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://api.maxwellinternational.ai/v1/registry/npm

Method GET

Price $0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

payTo 0x5976376b0c2125655e01d0a7758c744c43fb6d93

Seller api.maxwellinternational.ai

Catalogs cdp (row updated 2026-09-30)

Listed since (lower bound) 2026-09-30 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-30

CDP quality counters 6 calls and 2 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain)

Category (keyword rule) other/unknown

Templated path no

x402Version in catalog 2

Service name / tags Maxwell x402 · data, x402, api

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

Distinct payers 2

Payments 51

USDC volume $0.33

Median payment $0.005

First / last payment 2026-09-30 / 2026-09-30

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0x5976376b0c2125655e01d0a7758c744c43fb6d93 (contract)

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "name": "express"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "author": "TJ Holowaychuk <tj@vision-media.ca>",
   "deprecated": false,
   "deprecatedReason": null,
   "description": "Fast, unopinionated, minimalist web framework",
   "found": true,
   "license": "MIT",
   "maintainers": [
    {
     "email": "wes@wesleytodd.com",
     "name": "wesleytodd"
    }
   ],
   "name": "express",
   "normalizedName": "express",
   "scope": null,
   "sku": "registry.npm",
   "version": "5.2.1"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.maxwellinternational.ai/v1/registry/npm' -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/e2a5a5eff683/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"e2a5a5eff683"} 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 api.maxwellinternational.ai.