Japan Business Day API
japan-business-day-api.matchan962.workers.dev · 10 paid endpoints · listed 2026-10-27
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.
livelast check 5 days ago
100%valid x402 answers, 72 h
$0.035USDC received on Base, 7 days
3distinct payers, 7 days
54.1score (0-100)
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| GET | japan-business-day-api.matchan962.workers.dev/v1/is-business-day 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 | $0.005 | Polygon |
| GET | japan-business-day-api.matchan962.workers.dev/v1/jpx/trading-day 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/d | $0.005 | Polygon, Base |
| GET | japan-business-day-api.matchan962.workers.dev/v1/koyomi Japanese traditional calendar for a date: rokuyo (taian/butsumetsu... lucky days used for weddings, funerals, contracts), Japanese era (Reiwa) date, old lunisol | $0.005 | Polygon, Base |
| GET | japan-business-day-api.matchan962.workers.dev/v1/add-business-days 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. | $0.01 | Polygon, Base |
| GET | japan-business-day-api.matchan962.workers.dev/v1/bank-value-date 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 | $0.01 | Polygon, Base |
| GET | japan-business-day-api.matchan962.workers.dev/v1/holidays List all Japanese national holidays (JA/EN names) for a year, from official Cabinet Office data. | $0.01 | Polygon, Base |
| GET | japan-business-day-api.matchan962.workers.dev/v1/jpx/record-date 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 un | $0.01 | Polygon, Base |
| GET | japan-business-day-api.matchan962.workers.dev/v1/jpx/sq 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. | $0.01 | Polygon, Base |
| GET | japan-business-day-api.matchan962.workers.dev/v1/koyomi/find 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 wedding | $0.01 | Polygon, Base |
| GET | japan-business-day-api.matchan962.workers.dev/v1/payment-due-date 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 d | $0.01 | Polygon, Base |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| 5 days ago | japan-business-day-api.matchan962.workers.dev/v1/add-business-days | 402 | 922 | valid x402 v2 terms |
Income on Base (7 days)
| Day | Transfers | USDC | |
|---|---|---|---|
| 2026-10-31 | 1 | $0.005 | |
| 2026-10-30 | 1 | $0.005 | |
| 2026-10-27 | 4 | $0.025 |
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x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/japan-business-day-api.matchan962.workers.dev