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Business Day Date Calculator
x402
Business Day Date Calculator is a paid API for AI agents from agents.crowdspark.me, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-31).
Adds or subtracts N business days from a given date, skipping weekends and public holidays for a specified country, returning the result date, weekday, skipped holidays, and working-day status.
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-call utilities for AI agents over x402, USDC on Base.
Output
A JSON object with the computed result date (YYYY-MM-DD), its weekday name, a list of public holidays skipped (each with date and name), the number of weekend days skipped, total calendar days elapsed, the number of business days requested, the start date and its weekday, and whether the start date itself is a business day.
Example use cases
SLA deadline for support ticket
“Our SLA says we need to resolve critical tickets within 10 business days. The ticket was opened on March 3, 2025 in the US — what's the exact due date, and which holidays will be skipped?”
Invoice net-30 payment due date
“I issued an invoice on January 15, 2025 with net-30 business day terms for a UK client. What date is the payment actually due, accounting for UK public holidays and weekends?”
Legal filing deadline calculation
“I need to file a legal response exactly 45 business days after February 10, 2025 in Germany. What's the final deadline date, and were any German public holidays skipped in that period?”
Technical details
Endpoint
GEThttps://agents.crowdspark.me/v1/time/add-business-days?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to compute a forward or backward date that skips weekends and country-specific public holidays — ideal for SLA tracking, invoice terms, shipping ETAs, legal deadlines, and payroll cutoffs. Prefer this over generic date-math tools when country-specific holiday calendars are required.
Side effects
- Missing required 'start' or 'days' parameter returns an error
- Invalid date format (non-YYYY-MM-DD) causes a parse error
- Invalid or unsupported ISO country code may return no holiday data or an error
- 'days' value exceeding 1000 is rejected
- Non-integer or malformed 'days' value returns a validation error
- Payment not satisfied returns HTTP 402
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"days": 5,
"start": "2026-12-23",
"result": "2026-12-31",
"country": "US",
"calendar_days": 8,
"start_weekday": "Wednesday",
"result_weekday": "Thursday",
"holidays_skipped": [
{
"date": "2026-12-25",
"name": "Christmas Day"
}
],
"weekend_days_skipped": 2,
"start_is_business_day": true
}
}Tags
x402
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