# Holiday Is-Business-Day Checker

> Holiday Is-Business-Day Checker is a paid API for AI agents from holidays.x402utils.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-12).

Returns whether a specific date is a business day in a given country, including the holiday name if applicable

## Facts

- Endpoint: GET https://holidays.x402utils.workers.dev/v1/is-business-day?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/holiday-is-business-day-checker-4ad4c631
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_T6UlA6CuaLVxYRNmg-dE1

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

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability holiday-is-business-day-checker-4ad4c631
```

Example prompt: Is November 11, 2026 a business day in Poland? I need to know if it's a public holiday there.

## When to prefer this

Use this endpoint when you need a simple, fast binary answer about whether a specific date is a business day in a particular country, especially in automated workflows involving scheduling, payments, or deadlines. Covers ~120 countries with public holiday data. Prefer this over building custom holiday logic or scraping government websites.

## Known failure modes

- Unsupported country code returns an error — only ~120 countries are supported
- Invalid date format (non-YYYY-MM-DD) results in a validation error
- Missing required query parameters (country or date) returns a 400-level error
- Payment failure via x402/USDC on Base results in a 402 Payment Required response

## How this service works

Public holidays and business-day calculator for agents, ~120 countries: holiday lists, is-this-a-business-day, and add N business days. Paid per call via x402 (USDC on Base).

## Output

A JSON object with the queried date, a boolean indicating whether it is a business day, and if it falls on a public holiday, the name of that holiday. Example: {"date":"2026-11-11","holiday":{"name":"Independence Day"},"is_business_day":false}

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "country",
      "date"
     ],
     "properties": {
      "date": {
       "type": "string",
       "description": "YYYY-MM-DD"
      },
      "country": {
       "type": "string",
       "description": "ISO 3166-1 alpha-2"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "date": "2026-11-11",
  "holiday": {
   "name": "Independence Day"
  },
  "is_business_day": false
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/holiday-is-business-day-checker-4ad4c631/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from holidays.x402utils.workers.dev](https://www.zero.xyz/host/holidays.x402utils.workers.dev/llms.txt)