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Japan Business Day API

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).

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
730 ms
Price
$0.005 per call
Paying buyers, last 30 days
3 (directory's own records)
Paid calls, last 30 days
3
Category
Stock prices
Address
https://japan-business-day-api.matchan962.workers.dev/v1/jpx/trading-day

Accuracy: paid answers checked against an independent record

Not yet in our paid checks. A seller we have not checked has neither passed nor failed.

For agents

This page as JSON: /sellers/1dd639c6f96a.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].