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UK Working Days – Add/Subtract Working Days
x402
UK Working Days – Add/Subtract Working Days is a paid API for AI agents from uk-working-days.agent-fee-check.workers.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-22).
Adds or subtracts a given number of UK working days from a start date, respecting GOV.UK bank holidays for England & Wales, Scotland, or Northern Ireland.
Price / call$0.005
Success—
StatusUnknown
How this service works
UK working-day calculator using GOV.UK bank holidays for England and Wales, Scotland or Northern Ireland. Next working day, add or subtract working days (e.g. payment settlement, notice periods, delivery dates), count working days between dates, and list bank holidays. Dates must fall within GOV.UK coverage; out-of-range dates are refused, not guessed.
Output
A plain-text summary string describing the computed result date after adding or subtracting the specified number of working days from the start date, using the correct regional UK bank holiday calendar.
Example use cases
Payment settlement deadline calculation
“An invoice was raised on 2025-04-01 — what is the settlement date if payment terms are 5 working days in England and Wales?”
Employment notice period end date
“An employee handed in their notice on 2025-06-02 in Scotland — when does their 4-week (20 working days) notice period end?”
Regulatory filing deadline
“A compliance filing must be submitted 15 working days before 2025-12-25 in Northern Ireland — what is the latest date I can file?”
Technical details
Endpoint
GEThttps://uk-working-days.agent-fee-check.workers.dev/add?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to add or subtract a precise number of UK working days from a specific date, particularly when UK regional bank holidays (England & Wales, Scotland, or Northern Ireland) must be respected. Ideal for payment settlement windows, legal notice periods, and delivery date calculations in a UK business context.
Side effects
- Date out of GOV.UK coverage range — request refused with an error, not guessed
- Invalid date format (non YYYY-MM-DD) returns an error
- Invalid region enum value returns a validation error
- Negative days subtraction beyond available calendar data returns an error
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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