Discover / open-pay.jp

JPYC Network Activity

■ Challenge detected

JPYC transfer metrics computed hourly from finalized Polygon blocks: event count, unique senders and receivers, volume, median and top receivers. Covers approximately 24 hours ending at the newest finalized hourly bucket; exact block and time range are in the response. Use for current JPYC usage metrics; not for wallet balances, price, news, supply or financial advice.

Listed price
$0.01
Challenge detected
10 of the last 10 checks
Median response
232 ms
Last checked
17 Oct, 09:26 UTC
In our index since
26 Sept 2026

Endpoint

curl -i https://open-pay.jp/api/paid/usdc/jpyc/activity
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.
4 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://open-pay.jp/api/paid

  • GET/helloNo price listedEnd-to-end smoke test for x402 clients: returns a greeting plus the settlement timestamp, so an agent can prove its payment path works before spending on real data.
  • GET/usdc/jpyc/activityNo price listedJPYC transfer metrics computed hourly from finalized Polygon blocks: event count, unique senders and receivers, volume, median and top receivers. Covers approximately 24 hours ending at the newest finalized hourly bucket; exact block and time range are in the response. Use for current JPYC usage metrics; not for wallet balances, price, news, supply or financial advice.
  • GET/usdc/stablecoin-paymentsNo price listedJapan 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 changedSince you get the full dated history back to late 2025.
  • GET/usdc/jpyc/servicesNo price listedJPYC Service Monitor: weekly change feed for Japan-related JPYC and Web3 services. Each event is dated, typed (added / updated / removed / verified) and tied to an official source URL. Call with changedSince=YYYY-MM-DD set to your last run date to fetch only what changed; an empty changes list explicitly means no change, so a scheduled agent can report that without guessing. Without changedSince you get the full monitor snapshot.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 4 of 4 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/open-pay.jp

Recent checks

29 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026
All 10 checks
When (UTC)ResultHTTPResponse
17 Oct, 09:26 UTCChallenge detected402348ms
16 Oct, 11:31 UTCChallenge detected402117ms
14 Oct, 23:56 UTCChallenge detected402194ms
13 Oct, 14:18 UTCChallenge detected402684ms
11 Oct, 12:57 UTCChallenge detected402180ms
10 Oct, 00:46 UTCChallenge detected402134ms
8 Oct, 21:32 UTCChallenge detected402206ms
7 Oct, 15:42 UTCChallenge detected402268ms
6 Oct, 15:31 UTCChallenge detected402259ms
29 Sept, 17:03 UTCChallenge detected402258ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 09:26 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for JPYC Network Activity?

Its listed price is $0.01.

What payment terms does JPYC Network Activity advertise?

The listing advertises x402, Base, EVM chain 5042 and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is JPYC Network Activity listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.

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