← World Public Holidays
calendar by fourzerotwo
Supported countries
Every country and regional provider supported.
Supported countries
Every country and regional provider supported.
- price
- $0.0005 / call
- free tier
- free allowance
- MCP tool
- holidays__countries
- method
- GET
GET https://fourzerotwo.si/v1/holidays/countries
# unpaid: returns 402 with the price curl -i "https://fourzerotwo.si/v1/holidays/countries" # free tier: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/holidays/countries"
Use it from an AI agent (MCP)
Add the server once, then ask for this data in plain English. The agent finds the endpoint with search_apis and runs it with call_api.
{
"mcpServers": {
"fourzerotwo": { "type": "http", "url": "https://fourzerotwo.si/mcp" }
}
}
# the call the agent makes
call_api {"tool": "holidays__countries", "arguments": {}}
More from World Public Holidays
- Holidays in a year — Official public holidays for a country (or region provider, e.g. Germany/Bavaria) in a year.
- Holiday & business-day check — Is a date a public holiday or business day in a country; add N business days; next business day.
Holiday rules via Yasumi (MIT licence). Calculations by fourzerotwo.