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Holiday Calendar API – Business Day Count
x402
Holiday Calendar API – Business Day Count is a paid API for AI agents from holidays.use.x402atlas.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Counts the number of business days between two dates for a given country, excluding weekends and full-day public or bank holidays.
Price / call$0.005
Success—
StatusUnknown
How this service works
Business-day count excluding weekends and full-day Public or Bank holidays; Optional and HalfDay observances remain business days.
Output
Returns a JSON object with the queried country, date range (from/to), total calendar days, number of business days, weekend days, and holiday weekdays, along with the timestamp of the query. The business_days count excludes weekends and full-day Public or Bank holidays; Optional and HalfDay observances are counted as business days.
Example use cases
Payroll cycle business day count
“How many business days are in the French (FR) pay period from April 1 to April 30, 2025, excluding weekends and public holidays?”
Contract delivery deadline calculation
“I need to know how many business days fall between May 12 and June 30, 2025 in the Netherlands (NL) so I can set SLA milestones for a client contract.”
Regional holiday-aware project planning
“Can you tell me how many working days there are from January 6 to March 31, 2025 in Bavaria (DE-BY), excluding weekends and all German public holidays?”
Technical details
Endpoint
GEThttps://holidays.use.x402atlas.com/business-daysWhen to prefer
Choose this endpoint when you need an authoritative, precomputed count of business days between two dates for a specific country or regional subdivision, without having to maintain your own holiday database. It is ideal for payroll, SLA, contract, or billing calculations where accuracy against official public holiday calendars matters. Prefer this over generic date-math libraries that may lack up-to-date or country-specific holiday data.
Side effects
- Unsupported country code returns a validation error — only the 36 listed ISO 3166-1 alpha-2 codes are accepted
- Date range exceeding 365 days returns an error
- Invalid date format (non-ISO 8601) causes a schema validation failure
- Subdivision code not matching the selected country prefix causes rejection
- Missing required parameters (country, from, to) returns a 400-level error
- Payment failure or insufficient USDC balance returns a 402 Payment Required error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"to": "2026-01-10",
"from": "2026-01-01",
"country": "DE",
"queried_at": "2026-07-27T12:00:00Z",
"total_days": 10,
"subdivision": "DE-BE",
"weekend_days": 3,
"business_days": 6,
"holiday_weekdays": 1
}
}Tags
x402
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