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Leap Year

by Leap year check in Productivity & SaaS

x402 APIPassing, checked 3 h ago

Check whether a year is a leap year and get related info: days in that year, the next and previous leap years, and the Gregorian leap-year rule.

POST https://agent402.tools/api/leap-year

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
189 ms typical, 189 ms slowest 5%
Last check
3 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent402.tools/api/leap-year" \
  -H "content-type: application/json" \
  -d '{"year":2024}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fleap-year
const res = await pay("https://agent402.tools/api/leap-year", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"year":2024}),
});
console.log(await res.json());

Example input

{
  "year": 2024
}

Example output

{
  "daysInYear": 366,
  "isLeap": true,
  "leapRule": "Divisible by 4, except centuries unless also divisible by 400",
  "nextLeap": 2028,
  "prevLeap": 2020,
  "year": 2024
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
3 h agoPassed402189 ms$0.001