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UK Working Days Add
x402
UK Working Days Add is a paid API for AI agents from uk-data.agent-fee-check.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-12).
Calculates the date that is N working days after (or before) a given start date in England & Wales, Scotland, or Northern Ireland, skipping weekends and public bank holidays.
Price / call$0.002
Success—
StatusUnknown
How this service works
UK public data for AI agents, one origin, pay per call: a one-call postcode report, street crime, live flood warnings, property sales and the House Price Index, food hygiene ratings, MP lookup, NHS GPs, pharmacies and dentists, Companies House checks and search, UK working days and bank holidays, and the cheapest card machine provider. Official sources, attribution in every answer, free preview in every 402, failed requests never charged.
Output
A JSON object containing the computed result date and day name, the original start date, the region used, the number of days added, a human-readable summary sentence, and a list of named bank holidays that were skipped during the calculation.
Example use cases
Legal payment deadline calculation
“Our contract says payment is due 10 working days after 2025-03-28 in England and Wales — what exact date is that, and are there any bank holidays in the way?”
HR onboarding date scheduling
“A new employee starts on 2025-04-15 in Scotland. What date is 5 working days after that, skipping any Scottish bank holidays?”
Invoice settlement date in Northern Ireland
“I issued an invoice on 2025-12-22 with 7 working days payment terms in Northern Ireland — what's the due date after skipping bank holidays?”
Technical details
Endpoint
GEThttps://uk-data.agent-fee-check.workers.dev/working-days/add?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need accurate UK working-day date arithmetic that accounts for region-specific bank holidays (England & Wales, Scotland, or Northern Ireland separately). It is ideal over generic date libraries because it uses official UK government bank holiday data and explicitly names each skipped holiday. Prefer it for legal, HR, or financial deadline calculations where UK-specific public holidays matter.
Side effects
- Missing required 'date' or 'days' query parameter returns an error
- Invalid date format (not YYYY-MM-DD) causes a parse error
- 'days' value outside -1000 to 1000 range may be rejected
- Invalid region enum value causes a validation error
- Payment required (402) if x402 payment header not present — free preview included in 402 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"days": 3,
"from": {
"day": "Thursday",
"date": "2026-12-24",
"working_day": true
},
"region": "england-and-wales",
"result": {
"day": "Thursday",
"date": "2026-12-31",
"working_day": true
},
"summary": "3 working days after 2026-12-24 in England and Wales is Thursday 2026-12-31, skipping 2 bank holidays.",
"bank_holidays_skipped": [
"2026-12-25 Christmas Day",
"2026-12-28 Boxing Day"
]
}
}Tags
x402
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