80trust / 100

Calendar Rrule

by Tanod utilpeek in Productivity & SaaS

x402 APIPassing, checked 2 h ago

utilpeek (Tanod) RRULE expander: recurrence rule to dates in a time zone, DST-correct. Use when an agent must list the dates of a recurring event (RRULE) in a time zone, DST-correct.

POST https://tanod.dev/v1/calendar/rrule

Last 30 days

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Uptime
100%
Response time
272 ms typical, 719 ms slowest 5%
Last check
2 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://tanod.dev/v1/calendar/rrule" \
  -H "content-type: application/json" \
  -d '{"dtstart":"2026-10-26T09:00:00","rrule":"FREQ=WEEKLY;BYDAY=MO,WE;COUNT=6","timezone":"Europe/Berlin"}'
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 $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftanod.dev%2Fv1%2Fcalendar%2Frrule
const res = await pay("https://tanod.dev/v1/calendar/rrule", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"dtstart":"2026-10-26T09:00:00","rrule":"FREQ=WEEKLY;BYDAY=MO,WE;COUNT=6","timezone":"Europe/Berlin"}),
});
console.log(await res.json());

Example input

{
  "dtstart": "2026-10-26T09:00:00",
  "rrule": "FREQ=WEEKLY;BYDAY=MO,WE;COUNT=6",
  "timezone": "Europe/Berlin"
}

Example output

{
  "count": 3,
  "dtstart": "2026-10-26T09:00:00+01:00",
  "horizon_reached": false,
  "note": "Computed with python-dateutil in the given time zone; wall-clock times keep across DST changes. The search stops at search_horizon.",
  "occurrences": [
    "2026-10-26T09:00:00+01:00",
    "2026-10-28T09:00:00+01:00",
    "2026-11-02T09:00:00+01:00"
  ],
  "rrule": "FREQ=WEEKLY;BYDAY=MO,WE;COUNT=3",
  "search_horizon": "2126-10-02T09:00:00+01:00",
  "timezone": "Europe/Berlin",
  "truncated": false
}

Security scan

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Recent checks

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