# Japanese Public Holidays & Business Day Checker

> Japanese Public Holidays & Business Day Checker is a paid API for AI agents from jp-data-api-production.up.railway.app, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).

Returns Japanese national holidays for a given year and checks whether a specific date is a business day (accounting for holidays and weekends).

## Facts

- Endpoint: GET https://jp-data-api-production.up.railway.app/calendar/holidays
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/japanese-public-holidays-business-day-checker-cdb991cf
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_tSF0iw-saddiuoN_gPer2

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability japanese-public-holidays-business-day-checker-cdb991cf
```

Example prompt: Is March 20, 2026 a business day in Japan, or is it a holiday or weekend? Also, can you pull up the full list of Japanese national holidays for 2026?

## When to prefer this

Use this endpoint when you need authoritative Japanese public holiday data or need to determine if a specific date is a business day in Japan — particularly useful for scheduling meetings, calculating financial settlement dates, checking market open/close status, computing SLA deadlines, payroll processing, or estimating shipping ETAs within Japan.

## Known failure modes

- Invalid date format (not YYYY-MM-DD) returns an error
- Year out of supported range returns empty or error
- Missing required query params may return all holidays or an error
- Network or upstream Railway hosting outage returns 5xx

## How this service works

Japanese public holidays and business day checker: national holidays for any year, plus is-business-day verdict for a specific date (holiday + weekend logic). Use for meeting scheduling, settlement dates, SLA deadlines, market open/closed checks, payroll, shipping ETA in Japan.

## Output

Returns a list of Japanese national holidays for a given year (with dates and holiday names) and/or a boolean business-day verdict for a specific date, indicating whether it falls on a weekend or public holiday in Japan.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [],
     "properties": {
      "date": {
       "type": "string",
       "description": "optional YYYY-MM-DD to check"
      },
      "year": {
       "type": "string",
       "description": "e.g. 2026"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/japanese-public-holidays-business-day-checker-cdb991cf/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from jp-data-api-production.up.railway.app](https://www.zero.xyz/host/jp-data-api-production.up.railway.app/llms.txt)