timeanddate.com and similar: official API and open-data routes
Symptom: Ad-heavy pages, bot detection
What agents usually want: public holidays, business days, date arithmetic
Waystation /x/workdays and /x/add
- Documentation: /x/workdays
- Authentication: No key
- Last check: not checked
Nager.Date
- Documentation: https://date.nager.at/Api
- Authentication: No key
- Notes: Results mix public and bank holidays; filter on the 'types' field.
- Last check: ok, 2026-10-27