Calendar

Business days & public holidays. 2 pay-per-call calendar endpoints for AI agents — keyless, USDC via x402.

calendar.business-days$0.0010

Holiday-aware business-day calculator for 200+ countries.

GET /api/calendar/business-days

calendar.holidays$0.0010

List the official holidays for a country and year, with exact observed dates including substitute days (e.g.

GET /api/calendar/holidays

Discovery

/api/directory — full catalog of every endpoint
/openapi.json — OpenAPI 3.1 spec
/llms.txt — plain-text manifest for LLM ingestion