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quartermaster.surewhynot.app/v1/holiday
x402
quartermaster.surewhynot.app/v1/holiday is a paid API for AI agents from quartermaster.surewhynot.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Checks whether a given date is a public holiday in a specified country and returns the holiday name, types, and next upcoming holiday that year.
Price / call$0.001
Success—
StatusUnknown
How this service works
Is a date a public holiday in a country (2-letter ISO code)? Returns the holiday name, its types, and the next upcoming holiday that year.
Output
Returns whether the queried date is a public holiday in the given country, including the holiday's name and category types (e.g. national, bank, observance), plus the next upcoming public holiday in that country for the same year.
Example use cases
Scheduling team meetings across countries
“Before I book our quarterly all-hands meeting for December 26th, can you check if that's a public holiday in the UK, Canada, and Australia? I need to know if any of those countries have bank holidays that day so we don't conflict with time off.”
Automating payroll holiday compliance
“I'm setting up our payroll system for next year. Can you tell me if January 1st, 2025 is a national public holiday in Germany, and what the next public holiday after that is? We need to make sure we're flagging the right dates for extra compensation.”
Verifying client event availability
“Our client wants to schedule a product launch event on November 11th in France. Is that a public holiday there, and if it is, what type of holiday is it? We might need to reschedule if it conflicts with how people would be celebrating.”
Technical details
Endpoint
GEThttps://quartermaster.surewhynot.app/v1/holidayWhen to prefer
Use this endpoint when you need a quick, low-latency point-in-time check on whether a specific date is a public holiday in a particular country, and want the holiday name and type alongside the next upcoming holiday. Prefer this over calendar scraping or general-purpose web search when you need structured, programmatic holiday data for scheduling, compliance, or workflow automation.
Side effects
- Invalid or unsupported country code returns an error or empty result
- Date format not matching YYYY-MM-DD pattern causes a validation error
- Date outside supported range may return no data
- Network or upstream data source unavailability causes a 5xx error
- Payment failure (x402) prevents the request from being processed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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