Agent Exchange x402 census and directory

x402 census · netintel.dev · 630e5a5d8561 · JSON

GET /convert

live

Convert any physical measurement — length, mass, volume, temperature, area, speed, pressure, energy, time, data storage & transfer rate, power, frequency, force, fuel economy (mpg/L per 100 km), angle. Auto-detects the category, handles US/imperial ambiguity, reports assumptions. Accepts natural-language queries ("what is 5 km in miles") and volume↔mass via density/substance. Deterministic and in…

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

Facts from the catalogs

FieldValue
URLhttps://netintel.dev/convert
MethodGET
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
payTo0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df
Sellernetintel.dev
Catalogscdp (row updated 2026-09-28)
Listed since (lower bound)2026-09-28 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-28
CDP quality counters2 calls and 2 unique payers in 30 days, last call 2026-09-28 (catalog-reported, not verified on chain)
Category (keyword rule)crypto-data
Templated pathno
x402Version in catalog2
Service name / tagsNetIntel · currency conversion, exchange rates, forex, crypto prices, fiat

Unpaid probe (census of 2026-10-01)

FieldValue
Probed at2026-10-01T00:01:05.650Z
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":"10000","payTo":"0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Live payTo equals catalog payToyes
extensions.bazaar in the 402yes
PAYMENT-REQUIRED headeryes
WWW-Authenticate offernone
Content type / server / CORSapplication/json / railway-hikari / *
Latency1,573 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
Distinct payers121
Payments848
USDC volume$23.56
Median payment$0.01
First / last payment2026-06-05 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "from": "cups",
   "to": "fl_oz",
   "value": 2
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "assumptions": {
    "system": "us"
   },
   "category": "volume",
   "findings": [],
   "from": "cups",
   "grade": "A",
   "precision_note": "rounded to 6 significant figures",
   "result": 16,
   "score": 100,
   "to": "fl_oz",
   "value": 2
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://netintel.dev/convert' -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/630e5a5d8561/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"630e5a5d8561"} 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 netintel.dev.