calendar by fourzerotwo

Holidays in a year

Official public holidays for a country (or region provider, e.g. Germany/Bavaria) in a year.

Holidays in a year Free

Official public holidays for a country (or region provider, e.g. Germany/Bavaria) in a year.

cost: Free then $0.001 / call
MCP tool: holidays__year
method: GET

Free up to 50 calls a day over MCP (500 with a free key), then $0.001 per call by card credit or USDC. Free key · Pay by card

GET https://fourzerotwo.si/v1/holidays/year

Param	Type	Description
country	string	ISO code (US, DE, FR, JP…) or provider name
year?	integer	Year (default this year)

# free: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/holidays/year?country=DE"

# no key: returns 402 with the price, for x402 agents
curl -i "https://fourzerotwo.si/v1/holidays/year?country=DE"

by fourzerotwo

Report this endpoint

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__year", "arguments": {"country":"DE","year":2026}}

Holidays in a year

Holidays in a year Free

Use it from an AI agent (MCP)

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