Tool detail

Japan Stablecoin Payment Monitor

Returns a dated, categorized weekly change feed of Japan stablecoin-payment industry events: launches, pilots, fee changes and closures.

Categories: Market prices

Use when

track new Japan stablecoin-payment launches and partnerships
get only new industry events since a given date

Not for

not live transaction or price data for a stablecoin
not a general crypto-news feed, Japan payment-industry events only

Inputs

GET query params, both optional: changedSince (string, YYYY-MM-DD, events on/after this date); limit (string, 1-200, default 200).

Admitted input schema

{
  "type": "object",
  "properties": {
    "changedSince": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Return only events on/after this date (YYYY-MM-DD). Set to your last run date. Omit for the full history."
    },
    "limit": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "1-200 (default 200). In delta mode the limit is rounded up to a date boundary: a single day is never split, so a day holding more events is returned whole. Continue with nextChangedSince while hasMore is true."
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://open-pay.jp/api/paid/usdc/stablecoin-payments

Payment

Protocol: x402
Listed price: 0.01 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://open-pay.jp/api/paid/usdc/stablecoin-payments
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z