Is a given date a business day in Japan?
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.
Answeringour last check, 2026-09-27
1 of 1checks answered this week
27 msmedian answer time
$0.005listed price per call
$0.005price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://japan-business-day-api.matchan962.workers.dev/v1/is-business-day
| Category | Everything else |
|---|---|
| Provider host | japan-business-day-api.matchan962.workers.dev |
| Networks | eip155:137, eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-27 | valid payment request | 402 | $0.005 | 27 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"calendar": "national",
"date": "2026-11-03"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"calendar": {
"description": "national = weekends + Japanese national holidays; bank = also Dec 31 - Jan 3 (bank holidays)",
"enum": [
"national",
"bank"
],
"type": "string"
},
"date": {
"format": "date",
"type": "string"
}
},
"required": [
"date"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}