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2s Business Days Calculator
x402
2s Business Days Calculator is a paid API for AI agents from 2s.io, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-12).
Calculates business days between two dates or adds/subtracts business days from an anchor date, accounting for public holidays and weekends by country and region.
Price / call$0.001
Success—
StatusUnknown
How this service works
Holiday-aware business-day calculator for 200+ countries. Three modes: pass start + addDays (signed integer) to shift a date by N business days; pass start + end to count business days between two dates (exclusive of start, inclusive of end); pass start alone to check one date (is it a business day, which holiday, next/previous business day). Query: country (ISO 3166-1 alpha-2), start (YYYY-MM-DD), optional region (subdivision code), addDays XOR end, optional weekend (comma-separated days, default sat,sun — e.g. fri,sat for the Gulf), optional types (holiday types treated as closures, default public,bank). Skipped holidays are itemized in the response. Use for payment terms, SLA deadlines, and delivery-date math.
Output
Returns a JSON object with ok:true, an items array containing for each query: the mode (add or count), start date, result date or business-day count, country, region, list of holidays skipped (each with date and name), and calendar days spanned. Also includes a source object with provider name, license, and URL.
Example use cases
Example prompt
“How many business days are there between July 2 and August 15, 2026 in the US, and which holidays get skipped?”
Technical details
Endpoint
GEThttps://2s.io/api/calendar/business-days?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need accurate business-day calculations that respect country-specific public holidays and configurable weekends, especially for scheduling contract deadlines, payment settlement windows, delivery estimates, or legal notice periods. Prefer this over a generic date-math library when holiday awareness by country and optional subdivision is required.
Side effects
- Missing required 'country' or 'start' parameter returns an error
- Invalid ISO date format causes a parse error
- Providing both 'end' and 'addDays' simultaneously (XOR violation) returns an error
- Unsupported country code returns empty or error
- Invalid region/subdivision code may return results without regional holidays
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"end": "2026-08-15",
"start": "2026-07-02",
"country": "US"
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
{
"data": {
"ok": true,
"items": [
{
"end": "2026-08-15",
"mode": "between",
"start": "2026-07-02",
"region": null,
"country": "US",
"businessDays": 30,
"calendarDays": 44,
"holidaysInRange": [
{
"date": "2026-07-03",
"name": "Independence Day (substitute day)"
}
]
}
],
"total": 1,
"source": {
"url": "https://github.com/commenthol/date-holidays",
"license": "ISC (code) + CC BY 3.0 (holiday data)",
"provider": "date-holidays rule set (computed locally by 2s.io)"
}
},
"meta": {
"cost": {
"usd": 0.001,
"tier": 0
},
"caller": "x402",
"version": null,
"endpoint": "calendar.business-days",
"settlement": {
"txHash": "0xc9e334cdb05d2f2c072c9621b4b0b2867e7d804bd548ecb8da63a85ee648b755",
"network": "eip155:8453",
"success": true
}
}
}Tags
x402
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