Bankday vs HolidayAPI
HolidayAPI offers deep historical holiday data and state/province coverage on annual plans. Bankday focuses on settlement calendars and business-day arithmetic with monthly, usage-based pricing.
| Bankday | HolidayAPI | |
|---|---|---|
| Public holidays by country | 247 countries | 250 countries; 3,680 states/provinces on the higher plan |
| Payment-rail calendars (Fed/ACH, TARGET2, Bacs) | Yes | Not offered |
| Stock exchange calendars | 28 exchanges | Not offered |
| Business-day math (add, count, roll) | Yes, dedicated endpoints | No dedicated endpoint listed |
| FX spot dates & ACH settlement | Yes | No |
| Paid entry price | $19/month | $249/year (Countries plan) |
| Billing | Monthly, cancel any time | Annual plans |
| MCP server for AI agents | Yes | Not listed |
HolidayAPI details are from their own site as of October 2026; check there for current terms.
Which should you use?
Pick HolidayAPI if you need sub-national holidays or very long historical ranges. Pick Bankday for payments, trading and deadline logic, billed monthly.
Not sure which calendar you need? Read why bank and market holidays differ or try the business days calculator.
Try Bankday free
1,000 requests/month free. No credit card. Your key appears instantly.