ToolVet
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Check

by Holiday Calendar API in Productivity & SaaS

x402 APIPassing, checked 3 h ago

Holiday date check by country or subdivision — determine whether one ISO date is an official public holiday.

GET
https://holidays.use.x402atlas.com/check
Price
$0.005
per call in USDC
Uptime
100%
last 30 days
Response time
457 ms
495 ms slowest 5%
Last check
Passed
3 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed

How to call it

GET https://holidays.use.x402atlas.com/check

Each call costs $0.005 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

GET https://holidays.use.x402atlas.com/check?country=DE&date=2026-01-01&language=EN&subdivision=DE-BE

Parameters

ParameterTypeRequiredDescription
countrystringYesSupported ISO 3166-1 alpha-2 country code: AD Andorra; AL Albania; AT Austria; BE Belgium; BG Bulgaria; BR Brazil; BY Belarus; CH Switzerland; CZ Czechia; DE Germany; EE Estonia; ES Spain; FR France; HR Croatia; HU Hungary; IE Ireland; IT Italy; LI Liechtenstein; LT Lithuania; LU Luxembourg; LV Lat… One of: AD, AL, AT, BE, BG, BR, BY, CH, CZ, DE, EE, ES.
datestring (date)YesISO calendar date
languagestringNoOptional two-letter ISO 639-1 result language. Defaults to English when available.
subdivisionstringNoOptional regional subdivision code beginning with the selected country code, for example DE-BE.

Example response

The provider's example. We can't check it without paying.

{
  "country": "DE",
  "date": "2026-01-01",
  "holidays": [
    {
      "end_date": "2026-01-01",
      "name": "New Year's Day",
      "nationwide": true,
      "regional_scope": "National",
      "start_date": "2026-01-01",
      "subdivisions": [],
      "temporal_scope": "FullDay",
      "type": "Public"
    }
  ],
  "is_holiday": true,
  "language": "EN",
  "queried_at": "2026-07-27T12:00:00Z",
  "subdivision": "DE-BE"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.005.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://holidays.use.x402atlas.com/check?country=DE&date=2026-01-01&language=EN&subdivision=DE-BE'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://holidays.use.x402atlas.com/check?country=DE&date=2026-01-01&language=EN&subdivision=DE-BE' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fholidays.use.x402atlas.com%2Fcheck
const res = await pay("https://holidays.use.x402atlas.com/check?country=DE&date=2026-01-01&language=EN&subdivision=DE-BE");
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://holidays.use.x402atlas.com/check?country=DE&date=2026-01-01&language=EN&subdivision=DE-BE")
    print(res.status_code, res.text)

Security scan

No findings

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Recent checks

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3 h agoPassed402433 ms$0.005
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