School Holidays Nl
by opendata402 in Weather & location
Official Dutch school holiday dates per school year and region (north, middle, south) from the Dutch central government: autumn, Christmas, spring, May and summer holidays with start and end dates. Use it for travel, staffing, pricing or scheduling around Dutch school breaks.
https://opendata402.com/v1/school-holidays/nl- Price
- $0.001
- per call in USDC
- Uptime
- 92.9%
- last 30 days
- Response time
- 351 ms
- 700 ms slowest 5%
- Last check
- Failed
- 56 min ago, next any minute now
Reliability
Latest check failed 56 min ago: Timed out
Status and outage history · Atom feed · Watch with other listings
How to call it
GET https://opendata402.com/v1/school-holidays/nl
Each call costs $0.001 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://opendata402.com/v1/school-holidays/nl?schoolyear=2026-2027Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
schoolyear | string | No | e.g. 2026-2027; empty = all published years. |
Example response
The provider's example. We can't check it without paying.
{
"schoolyears": [
{
"holidays": [
{
"compulsory": false,
"name": "Herfstvakantie",
"regions": [
{
"end": "2026-10-25",
"region": "noord",
"start": "2026-10-17"
}
]
}
],
"schoolyear": "2026-2027"
}
]
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.001.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://opendata402.com/v1/school-holidays/nl?schoolyear=2026-2027'
# 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://opendata402.com/v1/school-holidays/nl?schoolyear=2026-2027' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: 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 $0.001 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.001" });
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 $0.001 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fopendata402.com%2Fv1%2Fschool-holidays%2Fnl
const res = await pay("https://opendata402.com/v1/school-holidays/nl?schoolyear=2026-2027");
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 $0.001 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.001"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.get("https://opendata402.com/v1/school-holidays/nl?schoolyear=2026-2027")
print(res.status_code, res.text)Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 56 min ago | Timed out | - | - | - |
| 6 h ago | Passed | 402 | 503 ms | $0.001 |
| 10 h ago | Passed | 402 | 203 ms | $0.001 |
| 15 h ago | Passed | 402 | 316 ms | $0.001 |
| 20 h ago | Passed | 402 | 473 ms | $0.001 |
Show 9 older checks
| 24 h ago | Passed | 402 | 332 ms | $0.001 |
| 29 h ago | Passed | 402 | 177 ms | $0.001 |
| 33 h ago | Passed | 402 | 391 ms | $0.001 |
| 37 h ago | Passed | 402 | 700 ms | $0.001 |
| 41 h ago | Passed | 402 | 516 ms | $0.001 |
| 46 h ago | Passed | 402 | 167 ms | $0.001 |
| 2 days ago | Passed | 402 | 351 ms | $0.001 |
| 2 days ago | Passed | 402 | 366 ms | $0.001 |
| 3 days ago | Passed | 402 | 278 ms | $0.001 |