Index onlineMerchant portal
Api Endpoint

Quartermaster Public Holiday Check

Is a date a public holiday in a country (2-letter ISO code)? Returns the holiday name, its types, and the next upcoming holiday that year.

Open interactive test console

Offering

Provider
quartermaster.surewhynot.app
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
General Utilities
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://quartermaster.surewhynot.app/v1/holiday
MIME type
application/json
First seen
2026-10-16T01:50:14.534Z
Last seen
Tags
Dev, holiday, calendar, Scheduling, date, Country, Agents

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.001 USDC
Atomic price: 1000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x5253666c40432f009ebd99908b9cd2a7fd1019cb"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "1000",
    "payTo": "FgcKNzsBXSEHGNZNWetPsjXiBZk1WFoU6sF2zVsnzXfa"
  }
]

Observed health

Status
Healthy
Latest latency
1217 ms
Average latency
2426 ms
HTTP status
402
Last checked
Reachability
92.3% over 13 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "country": {
          "type": "string",
          "pattern": "^[A-Za-z]{2}$",
          "description": "2-letter ISO 3166 country code"
        },
        "date": {
          "type": "string",
          "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
          "description": "YYYY-MM-DD (defaults to today, UTC)"
        }
      },
      "required": [
        "country"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "json",
  "example": {
    "date": "2026-01-01",
    "source": "date.nager.at",
    "country": "US",
    "holiday": {
      "name": "New Year's Day",
      "types": [
        "Public"
      ],
      "local_name": "New Year's Day"
    },
    "is_holiday": true,
    "next_holiday": {
      "date": "2026-01-19",
      "name": "Martin Luther King, Jr. Day"
    }
  }
}