Business Days & Holidays API
PayAPI House. UK (England & Wales, Scotland, Northern Ireland) and US federal bank holidays plus working-day maths: is a date a holiday, and what date is N business days from a start date. Example: GET /house/business-days?region=england-and-wales&start=2026-10-13&add=5 -> 2026-10-20. Sources: GOV.UK bank holidays (Open Government Licence v3.0) and US OPM federal holidays (public domain). $0.002 USDC per call on Base; bad requests are not charged.
2 endpoints · $0.002–$0.002