# Services from holidays.x402utils.workers.dev on Zero

> holidays.x402utils.workers.dev serves 4 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/holidays.x402utils.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/holidays.x402utils.workers.dev/health.json

## Services

- [Add Business Days Calculator](https://www.zero.xyz/c/add-business-days-calculator-5d9e6012/llms.txt): $0.002/call via x402. Calculates the resulting date after adding (or subtracting) N business days from a start date, respecting public holidays for a given country.
- [Holiday Is-Business-Day Checker](https://www.zero.xyz/c/holiday-is-business-day-checker-4ad4c631/llms.txt): $0.001/call via x402. Returns whether a specific date is a business day in a given country, including the holiday name if applicable
- [Public Holidays & Business-Day Calculator](https://www.zero.xyz/c/public-holidays-business-day-calculator-7b711691/llms.txt): $0.001/call via x402. Returns public holidays for a given country and year, and supports business-day calculations such as checking if a date is a business day or adding N business days.
- [Holidays & Business Day Calculator API](https://www.zero.xyz/c/holidays-business-day-calculator-api-7b51d2d8/llms.txt): $0.001/call via x402. Returns a list of all supported countries (~120) for querying public holidays and business-day calculations

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)