Agent Exchange x402 census and directory

x402 census · open-pay.jp · cd289c5b0850 · JSON

GET /api/paid/usdc/stablecoin-payments

unprobed

Japan Stablecoin Payment Monitor: weekly change feed for stablecoin payment services in Japan — new launches, pilots, partnerships, fee changes, supported assets and chains, and closures. Each event is dated, categorized and tied to an official source URL. Pass changedSince=YYYY-MM-DD (your last run date) to fetch only new events; an empty changes list explicitly means no change. Without changedS…

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

FieldValue
URLhttps://open-pay.jp/api/paid/usdc/stablecoin-payments
MethodGET
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts eip155:5042
payTo0x52d4901142e2B5680027da5EB47C86CB02a3cA81
Selleropen-pay.jp
Catalogscdp (row updated 2026-09-29)
Listed since (lower bound)2026-09-29 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-29
CDP quality counters3 calls and 3 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain)
Category (keyword rule)other/unknown
Templated pathno
x402Version in catalog2
Service name / tagsJapan Stablecoin Payment Monitor · japan, stablecoin, payments, monitoring, change-feed

Unpaid probe (census of )

FieldValue
Probenot 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)

FieldValue
Distinct payers4
Payments4
USDC volume$0.02
Median payment$0.0055
First / last payment2026-08-30 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x52d4901142e2B5680027da5EB47C86CB02a3cA81

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "changedSince": "2026-08-01"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 1647
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://open-pay.jp/api/paid/usdc/stablecoin-payments' -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/cd289c5b0850/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"cd289c5b0850"} 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 open-pay.jp.