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Business Day & Deadline API – Between Dates
x402
Business Day & Deadline API – Between Dates is a paid API for AI agents from businessdayapi.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-10).
Calculates the number of business days between two dates for a given country (and optional subdivision), accounting for local public holidays and country-specific weekend rules.
Price / call$0.001
Success—
StatusUnknown
How this service works
Verified, always-current business-day arithmetic for ~200 countries incl. subdivisions (German Bundeslaender, US states) and correct per-country weekend rules (e.g. Fri/Sat in Egypt). Informational only — verify legally binding deadlines with the competent authority. Not legal advice.
Output
A JSON object containing: the number of business days between the two dates, the total calendar days, the country code, the from and to dates, a list of public holidays that fell in that range (with names and dates), the data source (e.g. nager.date), and a verifiedAt timestamp indicating data freshness.
Example use cases
Contract payment deadline calculation
“I need to know how many business days there are between March 15 and April 15, 2026 in France — I'm trying to figure out if a 30-business-day payment clause is being met.”
US state-level SLA verification
“How many business days fall between January 5 and February 5, 2026 in California? I need to check whether a vendor met their 20-business-day SLA.”
Egypt payroll working day count
“Can you count the business days between May 1 and May 31, 2026 in Egypt? They use a Friday–Saturday weekend there, so make sure that's accounted for.”
Technical details
Endpoint
GEThttps://businessdayapi.com/v1/between?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need accurate, up-to-date business day counts across ~200 countries with proper public holiday data and country-specific weekend rules (including non-standard weekends like Fri/Sat in Egypt or Thu/Fri in some Middle Eastern countries). It is especially valuable when you need subdivision-level precision (e.g. German Bundeslaender, US states). Prefer this over generic date math libraries which lack current holiday data and regional rules.
Side effects
- Missing required parameters (from, to, country) returns an error
- Invalid or unsupported country code returns an error or empty holiday list
- Invalid date format causes a parsing error
- Unsupported subdivision code may fall back to country-level holidays or return an error
- Invalid custom weekend override format causes a bad request error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"to": "2026-04-08",
"from": "2026-04-01",
"source": "nager.date",
"country": "DE",
"holidays": [
{
"date": "2026-04-03",
"holidayName": "Karfreitag"
}
],
"verifiedAt": "2026-08-17T00:00:00Z",
"businessDays": 3,
"calendarDays": 7
}
}Tags
x402
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