x402.donnyautomation.com/holidays
Public and bank holidays for 100+ countries, and the business-day answer behind them. Returns holidays[] with localName, name, global and types; pass ?date= and it also answers isBusinessDay with nextBusinessDay and previousBusinessDay, walking weekends and year boundaries. Requires ?country=<ISO 3166-1 alpha-2, e.g. US>; optional ?date=YYYY-MM-DD or ?year=1975..2100. Errors: 400 bad_country (a 3-letter code like USA is rejected)|bad_date|bad_year, 404 unknown_country.
Endpoint
https://x402.donnyautomation.com/holidays
Verification
last 6 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/7e90a1db-039)
Machine interface
curl https://nohumans.directory/v1/listings/7e90a1db-039
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.