Agent Exchange x402 census and directory

x402 census · payai.agentstools.dev · 55d09deacaa0 · JSON

GET /legal/patents

live

Look up the US patent portfolio of an organization (by assignee) or an inventor (by name). Returns granted patents with id, title, grant date, type and assignees, plus a total count. Source: USPTO PatentsView, public-domain.

Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.

Facts from the catalogs

FieldValue
URLhttps://payai.agentstools.dev/legal/patents
MethodGET
Price$0.02 USDC = 20000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v
Networksolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp (solana)
payToAytHnvc6bZx1ALTy7b5Px7hcavoSYszG9aeKvDcZ8R1u
Sellerpayai.agentstools.dev
Catalogspayai (row updated 2026-09-30)
Listed since (lower bound)2026-09-30 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-30
CDP quality countersnot in the CDP catalog
Category (keyword rule)domains/dns
Templated pathno
x402Version in catalog2
Service name / tagslegal-patents · legal, patents, ip, uspto, assignee

Unpaid probe (census of 2026-09-30)

FieldValue
Probed at2026-09-30T23:47:21.060Z
HEAD402
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inheader+body
x402Version in the 4022
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"20000","payTo":"0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Live payTo equals catalog payTono
extensions.bazaar in the 402yes
PAYMENT-REQUIRED headeryes
WWW-Authenticate offernone
Content type / server / CORSapplication/json / uvicorn / none
Latency2,146 ms
ErrorPayment required

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
Settlement historyunresolved: non-EVM payTo; only Base is covered

Declared input and output (extensions.bazaar)

{
 "input": {
  "type": "http",
  "method": "GET",
  "queryParams": {
   "name": "Apple Inc",
   "limit": 10
  }
 },
 "output": {
  "type": "json",
  "example": {
   "query": {
    "name": "Apple Inc"
   },
   "total": 12000,
   "recent": [
    {
     "date": "2024-05-07",
     "type": "utility",
     "title": "Example device",
     "assignees": [
      "Apple Inc."
     ],
     "patent_id": "11111111"
    }
   ],
   "sources": {
    "partial": false,
    "rate_limited": false
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://payai.agentstools.dev/legal/patents' -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/55d09deacaa0/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"55d09deacaa0"} 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 payai.agentstools.dev.