---
title: "FREE — is this date a business day in this country?"
method: GET
path: "/v1/business-days/is-business-day"
tags: ["Free"]
---

# FREE — is this date a business day in this country?

`GET /v1/business-days/is-business-day`

## Request

- Base URL: `https://ausref.dev`
- URL: `https://ausref.dev/v1/business-days/is-business-day`
- Auth: none required

Unmetered and unpriced; every country on every brand. Applies the country's national public-holiday calendar and its statutory weekend rule. Returns the verdict, the reason (business_day, weekend, public_holiday, weekend_and_public_holiday, makeup_workday), the holiday names, the next and previous business day, the weekend rule with its basis, and the cited calendar. Refusals are free JSON: 400 for a malformed country, date or n; 404 for an unknown country; 422 year_not_held when a date falls...

## Query parameters

- `country` string, required
- `date` string, date, required

## Response `200`

Free. Verdict, reason, holiday names, next/previous business day, weekend rule and calendar provenance.

- object

## Other responses

- `400`: Free. Malformed country, date or n.
- `404`: Free. Unknown country.
- `422`: Free. year_not_held, holiday_date_pending or no_national_calendar — see the body's explanation and what_you_can_do.

---

[API](https://skmtc.dev/ausref/apis/ausref-australasian-government-reference-data.md) · [All operations](https://skmtc.dev/ausref/apis/ausref-australasian-government-reference-data/llms.txt) · [OpenAPI document](https://skmtc.dev/ausref/apis/ausref-australasian-government-reference-data/revisions/002874ef252c?raw)