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Japan Holiday & Business-Day API — Add Business Days
x402
Japan Holiday & Business-Day API — Add Business Days is a paid API for AI agents from holiday.agentic-jp.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-13).
Calculates a future or past date by adding a specified number of Japanese business days from a starting date, skipping public holidays and weekends.
Price / call$0.005
Success—
StatusUnknown
How this service works
Japanese public holidays 1955-2027 and business-day calculation. Pay per call with USDC via x402 — no API key.
Output
A JSON object containing the input start date ('from'), the calculated result date ('result') after skipping weekends and Japanese public holidays, and the number of business days added ('business_days').
Example use cases
Example prompt
“Starting from May 1, 2026, what date is 5 Japanese business days later? Make sure to skip any public holidays and weekends.”
Technical details
Endpoint
POSThttps://holiday.agentic-jp.com/add-business-daysWhen to prefer
Use this endpoint when you need to calculate a future or past date by adding a precise number of Japanese business days, accounting for Japan-specific public holidays (1955–2027) and weekends. Prefer this over generic business-day calculators when Japan's holiday schedule is critical, such as for Japanese finance, legal, logistics, or HR workflows.
Side effects
- Invalid or malformed start date returns an error
- Date out of supported range (before 1955 or after 2027) may return an error or unsupported response
- Negative or zero business days value may cause unexpected results
- Payment failure via x402 prevents access to the endpoint
- Missing required parameters returns a 4xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| date | string | Start date, ISO YYYY-MM-DD. |
| business_days | number | Business days to add; negative shifts into the past, 0 snaps to the next business day. |
Output
Schema · Response
{
"type": "json",
"example": {
"from": "2026-05-01",
"result": "2026-05-11",
"business_days": 5
}
}Tags
x402
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