Agent Exchange x402 census and directory

x402 census · agent-toolbox.zafermemon87.workers.dev · 3c1bd21c49d8 · JSON

GET /v1/fx

live

Currency exchange rates and conversion for about 30 currencies (USD, EUR, GBP, INR, JPY, CNY ...) from the European Central Bank reference rates of the latest working day.

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

Facts from the catalogs

FieldValue
URLhttps://agent-toolbox.zafermemon87.workers.dev/v1/fx
MethodGET
Price$0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xa41015022322640f03a895bc439da80ddfd73954
Selleragent-toolbox.zafermemon87.workers.dev
Catalogscdp (row updated 2026-10-24)
Listed since (lower bound)2026-10-24 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-10-24
CDP quality counters2 calls and 2 unique payers in 30 days, last call 2026-10-24 (catalog-reported, not verified on chain)
Category (keyword rule)finance/macro
Templated pathno
x402Version in catalog2
Service name / tagsAgent Toolbox · exchange-rates, currency, forex, finance, ecb

Unpaid probe (census of 2026-10-25)

FieldValue
Probed at2026-10-25T21:13:30.845Z
HEAD405
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inheader
x402Version in the 4022
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"2000","payTo":"0xa41015022322640f03a895bc439da80ddfd73954","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 offerPayment id="nVNPKRexWzcsz_HKoEMAca6tIlzO
Content type / server / CORSapplication/json / cloudflare / *
Latency577 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: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "amount": 100,
   "base": "USD",
   "symbols": "EUR,INR,GBP"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "amount": 100,
   "base": "USD",
   "date": "2026-10-23",
   "plain": "100 USD = 89.341553 EUR, 9494.5055 INR, 74.803895 GBP (ECB, 2026-10-23).",
   "rates": {
    "EUR": 89.341553,
    "GBP": 74.803895,
    "INR": 9494.5055
   },
   "source": "European Central Bank euro reference rates (published around 16:00 CET on working days)"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://agent-toolbox.zafermemon87.workers.dev/v1/fx' -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/3c1bd21c49d8/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"3c1bd21c49d8"} 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 agent-toolbox.zafermemon87.workers.dev.