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EU Agent Utils – European Business Days Calculator
x402
EU Agent Utils – European Business Days Calculator is a paid API for AI agents from eu-agent-utils.frcompanycheck.workers.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-12).
Counts working days between two dates or adds N business days to a start date, accounting for public holidays across 8 European countries (including FR Alsace-Moselle subdivisions)
Price / call$0.003
Success—
StatusUnknown
How this service works
Cheap, deterministic utilities for AI agents, paid per call in USDC with x402 (no account, no API key): ECB euro reference FX rates and conversion, IANA time-zone conversion with explicit DST handling, European public holidays and working-day calculator (FR incl. Alsace-Moselle, BE, LU, DE, AT, IT, ES, PT), offline IBAN validation, and SIREN/SIRET and EU VAT number check-digit validation. Errors are never charged.
Output
A JSON object containing the start date, end date or computed result date, the mode (count or add), the country, the number of business days, the number of calendar days, and an array of public holidays that fall on weekdays within the range (each with date and name).
Example use cases
Contract deadline calculation for Germany
“We signed a contract in Germany on January 5, 2027 and the payment is due 30 business days later — what date is that?”
Q4 working day count for French payroll
“How many working days are in Q4 2026 in France (October through December)? We're in the Moselle department so use the FR-57 subdivision.”
SLA deadline tracking in Belgium
“Our SLA says we must resolve tickets within 5 business days. If a ticket was opened on November 28, 2026 in Belgium, what's the deadline date?”
Technical details
Endpoint
GEThttps://eu-agent-utils.frcompanycheck.workers.dev/v1/business-days?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need authoritative, offline-deterministic business day calculations for one of the 8 supported European countries (FR, BE, LU, DE, AT, IT, ES, PT), especially when French Alsace-Moselle regional holidays matter. It requires no account or API key, charges only $0.003 USDC per successful call via x402, and errors are never billed. Prefer it over generic date libraries when you need country-specific public holiday data baked in.
Side effects
- Missing required 'country' or 'from' query parameter returns an error (not charged)
- Invalid date format (non-YYYY-MM-DD) returns a parsing error (not charged)
- Unsupported country code returns an error (not charged)
- Invalid subdivision code for France returns an error (not charged)
- Conflicting parameters (both 'to' and 'add' supplied) may return an error (not charged)
- Payment failure via x402 results in 402 response and no computation
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"to": "2026-12-31",
"from": "2026-12-01",
"mode": "count",
"country": "FR",
"business_days": 22,
"calendar_days": 31,
"holidays_on_weekdays": [
{
"date": "2026-12-25",
"name": "Christmas Day"
}
]
}
}Tags
x402
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