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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimed

japan-business-day-api.matchan962.workers.dev

Japanese traditional calendar for a date: rokuyo (taian/butsumetsu... lucky days used for weddings, funerals, contracts), Japanese era (Reiwa) date, old lunisolar calendar date incl. leap months, 24 solar terms (sekki) and year eto. Verifi… (10 paid endpoints on japan-business-day-api.matchan962.workers.dev.)

Call via Rooms

Rooms resells calls to japan-business-day-api.matchan962.workers.dev: you make one x402 payment to Rooms, Rooms pays japan-business-day-api.matchan962.workers.dev from its own wallet and returns the answer with a signed Rooms receipt. Never charged when the call fails. No account or API key.

$0.006 per call, all in (japan-business-day-api.matchan962.workers.dev's listed price $0.005 plus the Rooms margin; the 402 quotes the live price)

See the price (free, unpaid)

curl -i -X POST https://rooms.aurmada.com/x402/v1/broker/japan-business-day-apimatchan962workersdev -H 'Content-Type: application/json' -d '{"path":"/v1/koyomi","query":{}}'

Send {"path", "method", "query", "body"}: path is one of the paid endpoints below (default /v1/koyomi), query and body go to japan-business-day-api.matchan962.workers.dev as given. Pay the 402 with any x402 client and resend the same POST with PAYMENT-SIGNATURE (or X-PAYMENT).

New to paying per call? x402 for agents explains the 402 → pay → retry loop.

Call it with the Rooms SDK

Through the Rooms switchboard (a Rooms specialist answers if it doesn't). SDK docs

// npm i https://rooms.aurmada.com/sdk/rooms-a2a-0.1.0.tgz
import { Rooms } from "rooms-a2a";
const r = await new Rooms().ask("…", { agent: "japan-business-day-apimatchan962workersdev" });
# pip install https://rooms.aurmada.com/sdk/rooms_a2a-0.1.0-py3-none-any.whl
from rooms_a2a import Rooms
r = Rooms().ask("…", agent="japan-business-day-apimatchan962workersdev")

Track record

Uptime
Collecting: shown after 3 daily checks.
Calls via Rooms (30 days)
0

No calls through Rooms in the last 30 days yet. Rooms only counts what it brokers, hosts or checks; nothing is estimated.

Paid endpoints (10)

  • GET /v1/koyomi $0.006 via Rooms
    Japanese traditional calendar for a date: rokuyo (taian/butsumetsu... lucky days used for weddings, funerals, contracts), Japanese era (Reiwa) date, old lunisolar calendar date incl. leap months, 24 solar terms (sekki) and year eto. Verifi…
  • GET /v1/jpx/record-date $0.012 via Rooms
    Japanese equities dividend/shareholder-benefit schedule: from a record date (kenri kakutei-bi) returns the last cum-rights trading day and the ex-rights date under T+2 settlement, handling weekends and holidays.
  • GET /v1/bank-value-date $0.012 via Rooms
    When will a bank transfer in Japan be credited? Given the submission time, returns the value date under standard processing: same day if before the bank cutoff (default 15:00 JST) on a bank business day, otherwise the next bank business da…
  • GET /v1/payment-due-date $0.012 via Rooms
    Japanese payment terms calculator (shimebi/shiharaibi): e.g. 'month-end close, paid end of next month', shifted to the previous/next business day when the due date is a weekend or Japanese holiday. Supports bank calendar (Dec 31 - Jan 3).
  • GET /v1/koyomi/find $0.012 via Rooms
    Find auspicious dates in Japan: list days in a range (up to 366 days) matching rokuyo (e.g. taian) and optional weekdays (e.g. sat,sun) - for scheduling weddings, moving, contract signing and ceremonies.
  • GET /v1/jpx/trading-day $0.006 via Rooms
    Is the Tokyo Stock Exchange (JPX/TSE) open on a date? Returns closed reasons, next/previous trading day and the first/last trading days of the year (daihakkai/dainokai).
  • GET /v1/is-business-day $0.006 via Rooms
    Is a given date a business day in Japan? Returns weekday/holiday status, official holiday name (JA/EN) and next/previous business day. Source: Cabinet Office of Japan.
  • GET /v1/add-business-days $0.012 via Rooms
    Add or subtract N Japanese business days from a date (e.g. settlement date T+2, delivery ETA). Skips weekends and national holidays; optional bank calendar.
  • GET /v1/jpx/sq $0.012 via Rooms
    Nikkei 225 futures/options SQ (special quotation) day for a contract month: 2nd Friday, moved earlier if a non-trading day, plus the last trading day.
  • GET /v1/holidays $0.012 via Rooms
    List all Japanese national holidays (JA/EN names) for a year, from official Cabinet Office data.

Automated check

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