# iCal / ICS Calendar Feed to Events Extractor (`webdatatools/ical-calendar-extractor`) Actor iCal / ICS Calendar Feed to Events Extractor reads any ICS or webcal:// URL and returns one row per event instance, expanding RRULE recurring events within a date window, with times converted to UTC. - **URL**: https://apify.com/webdatatools/ical-calendar-extractor.md - **Developed by:** [Murat Uzun](https://apify.com/webdatatools) (community) - **Categories:** Automation, Integrations, Business - **Stats:** 2 total users, 1 monthly users, 100.0% runs succeeded, 0 bookmarks - **User rating**: No ratings yet ## Pricing from $0.30 / 1,000 results This Actor is paid per event. You are not charged for the Apify platform usage, but only a fixed price for specific events. Since this Actor supports Apify Store discounts, the price gets lower the higher subscription plan you have. Learn more: https://docs.apify.com/actors/running/actors-in-store.md#pay-per-event ## What's an Apify Actor? An Actor is a serverless cloud program that runs on the Apify platform. It has two run modes. In Batch mode, an Actor accepts a well-defined JSON input, performs an action which can take anything from a few seconds to a few hours, and optionally produces a well-defined JSON output, datasets with results, or files in key-value store. In Standby mode, an Actor provides a web server which can be used as a website, API, or an MCP server. Apify vocabulary and the platform model are defined once, in the agent quickstart at https://apify.com/agents.md. ## How to integrate an Actor? If asked about integration, you help developers integrate Actors into their projects. You adapt to their stack and deliver integrations that are safe, well-documented, and production-ready. Do not guess an integration path. Every one of them is in the agent quickstart at https://apify.com/agents.md: the Apify MCP server, Agent Skills with the Apify CLI, the JavaScript and Python clients, the REST API, and the account-free path for an agent with no human to sign in. It also carries the rule on stating cost before the first paid run. For examples already wired to this Actor's own input schema, see the [API](#api) section below. Each client library has reference documentation the quickstart does not restate: [JavaScript/TypeScript](https://docs.apify.com/api/client/js/docs.md) (`npm install apify-client`) and [Python](https://docs.apify.com/api/client/python/docs.md) (`pip install apify-client`). # README ### What is iCal / ICS Calendar Feed to Events Extractor? iCal / ICS Calendar Feed to Events Extractor turns any public **ICS or webcal:// calendar feed** — public holidays, a shared team calendar, a booking system's feed — into a **clean dataset row per event instance**. It fetches each feed URL, hand-parses the ICS format per RFC 5545 (line unfolding, `TZID`/`VALUE=DATE` parameters, text unescaping) and expands `RRULE` recurring events into concrete occurrences inside the date window you give it, converting every start and end time to UTC. No calendar app, no `.ics` download-and-open, no manual recurrence math — paste feed URLs and get structured events back through the Apify API, on a schedule if you like. ### What data does iCal / ICS Calendar Feed to Events Extractor extract? The Actor extracts 21 fields per event instance: | Field | Type | Description | | --------------------------------------------------- | ----------------- | --------------------------------------------------------------------------------------------- | | `feed`, `calendarName` | string | Source feed URL and its `X-WR-CALNAME`, when published | | `uid`, `summary`, `description`, `location`, `url` | string | Event identity, title, description (unescaped, ≤2000 chars), location and linked URL | | `startAt`, `endAt` | string (ISO 8601) | Instance start/end, converted to UTC | | `allDay`, `durationMinutes`, `timezone` | boolean, number, string | Whether `DTSTART` used `VALUE=DATE`, computed duration, and the original `TZID` (or "UTC")| | `isRecurringInstance`, `recurrenceRule` | boolean, string | Whether the source event carries an `RRULE`, and its raw value | | `status`, `organizer`, `attendeeCount`, `categories`| string, number, array | `STATUS`, `ORGANIZER` display name, `ATTENDEE` count, `CATEGORIES` list | | `geo`, `lastModified` | object, string | `{lat, lon}` from `GEO`, and `LAST-MODIFIED` in UTC | | `error`, `scrapedAt` | string | Feed-level failure message and fetch timestamp | ### How to use iCal / ICS Calendar Feed to Events Extractor 1. Paste one or more ICS/webcal feed URLs into **ICS feed URLs**, e.g. `https://www.officeholidays.com/ics/usa` or a `webcal://` link exported from your calendar app. 2. Optionally set **From date** / **To date** to narrow the window; leave them blank for the default 30-days-back to 365-days-forward range. 3. Leave **Expand recurring events** on to turn a weekly/monthly `RRULE` into one row per occurrence, click **Start**, then export as JSON, CSV, Excel or HTML. ### Example input ```json { "feeds": ["https://www.officeholidays.com/ics/usa"], "from": "2026-01-01", "to": "2026-12-31", "expandRecurring": true } ``` ### Example output ```json { "feed": "https://www.officeholidays.com/ics/usa", "calendarName": "USA Holidays", "uid": "2026-07-04US415regcountry@www.officeholidays.com", "summary": "USA: Independence Day", "location": "USA", "startAt": "2026-07-04T00:00:00.000Z", "endAt": "2026-07-05T00:00:00.000Z", "allDay": true, "durationMinutes": 1440, "timezone": null, "isRecurringInstance": false, "recurrenceRule": null, "status": null, "attendeeCount": 0, "categories": [], "error": null, "scrapedAt": "2026-09-12T18:00:00.000Z" } ``` ### Input parameters | Parameter | Type | Default | Description | | ------------------- | ------- | ------------------------------------------------- | --------------------------------------------------------- | | `feeds` | array | `["https://www.officeholidays.com/ics/usa"]` | ICS/webcal feed URLs to read | | `from` | string | 30 days before today | Only return instances starting on/after this ISO date | | `to` | string | 365 days after today | Only return instances starting on/before this ISO date | | `expandRecurring` | boolean | `true` | Expand RRULE events into one row per occurrence (cap 500) | | `maxEventsPerFeed` | integer | `1000` | Max event rows kept per feed (1-20000) | | `maxConcurrency` | integer | `5` | Feeds fetched and parsed in parallel (1-20) | ### Pricing iCal / ICS Calendar Feed to Events Extractor uses pay-per-event pricing: **$0.0005 per event-instance result, i.e. $0.50 per 1,000 events**, plus a negligible actor-start fee. A calendar with a year of daily events costs under 20 cents to fully expand. **Maximum cost per run** trims the row count to what the budget covers instead of overspending. ### iCal / ICS Calendar Feed to Events Extractor vs. opening feeds by hand Opening an `.ics` link in a calendar app shows you a UI, not structured data, and computing which occurrences of a recurring meeting fall inside a specific date range means writing your own RRULE code. This Actor does that parsing and expansion once per feed and returns a flat, exportable dataset — ready for a spreadsheet, a BI tool, or an automation trigger — for any number of feeds on a schedule. ### Using iCal / ICS Calendar Feed to Events Extractor with AI agents and MCP This Actor is pay-per-event with limited permissions — the two requirements for an Actor to be callable through the Apify MCP server at `mcp.apify.com`. An agent passes `feeds` (and optionally a date window) and gets back one structured row per event instance, ready to summarize an "upcoming holidays" or "this week's meetings" answer. The same run works from n8n, Make, Zapier and LangChain through Apify's integrations. ### FAQ **Does this parse VTIMEZONE blocks?** No — VTIMEZONE parsing is out of scope. A `DTSTART;TZID=` is converted to UTC using the JavaScript runtime's own time zone database (`Intl`), which is accurate for standard zone names like `America/New_York` but ignores a feed's custom VTIMEZONE overrides, which are rare outside enterprise calendaring systems. **What happens to a "floating" time with no `Z` and no `TZID`?** RFC 5545 leaves it undefined; this Actor treats it as UTC and reports `timezone: null` so you can tell it apart from an explicit UTC or zoned time. **How are recurring events expanded?** `RRULE` (plus `RDATE`/`EXDATE`) is expanded with the `rrule` library inside your `from`/`to` window, capped at 500 instances per event. Turn **Expand recurring events** off to get a single row per recurring event at its original `DTSTART` instead. **What if a feed is down or isn't a calendar?** You get one row with `error` set (e.g. "Response does not look like an ICS calendar") instead of the whole run failing — other feeds in the same run are unaffected. **Is this legal to run?** Yes. Public ICS feeds are published by their owners specifically to be read by calendar clients; this Actor performs the same read. ### Related Actors Part of the **webdatatools** web-intelligence suite — every Actor is pay-per-event, reads public data without a login, and returns one clean row per entity: Browse the whole suite at [webdatatools](https://paulet4a-commits.github.io/webdatatools/), or call ten of these Actors straight from Claude, Cursor or Cline with the [webdatatools MCP server](https://github.com/paulet4a-commits/webdatatools-mcp-server). **Website & domain intelligence** - [Email Extractor — Website Contact & Social Finder](https://apify.com/webdatatools/contact-extractor) — e-mails, phones and social profiles per domain - [Tech Stack Detector — Wappalyzer & BuiltWith Alternative](https://apify.com/webdatatools/tech-stack-detector) — CMS, e-commerce, analytics, pixels and payments per domain - [Domain DNS & Email Security Checker](https://apify.com/webdatatools/dns-email-security-checker) — SPF, DKIM, DMARC, MX provider, registrar and domain age - 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Open an issue on the **Issues** tab. # Actor input Schema ## `feeds` (type: `array`): Enter the ICS/iCal feed URLs to read, e.g. https://www.officeholidays.com/ics/usa. A webcal:// URL is accepted too and automatically rewritten to https://. One row is returned per event instance found in the feed. ## `from` (type: `string`): Only return event instances starting on or after this ISO date, e.g. 2026-01-01. Leave blank to default to 30 days before today. ## `to` (type: `string`): Only return event instances starting on or before this ISO date, e.g. 2026-12-31. Leave blank to default to 365 days after today. ## `expandRecurring` (type: `boolean`): Keep this on to expand RRULE recurring events (e.g. a weekly meeting) into one row per occurrence inside the from/to window, capped at 500 instances per event. Turn it off to get a single row per recurring event at its original start time. ## `maxEventsPerFeed` (type: `integer`): Enter the maximum number of event-instance rows to keep per feed, e.g. 1000. The earliest instances within the window are kept first when a feed has more than this. ## `maxConcurrency` (type: `integer`): Enter how many feeds to fetch and parse in parallel, e.g. 5. Raise this for long lists of feeds, lower it if a server starts rate-limiting requests. ## Actor input object example ```json { "feeds": [ "https://www.officeholidays.com/ics/usa", "https://calendar.google.com/calendar/ical/en.usa%23holiday%40group.v.calendar.google.com/public/basic.ics" ], "from": "2026-01-01", "to": "2026-12-31", "expandRecurring": true, "maxEventsPerFeed": 1000, "maxConcurrency": 5 } ``` # Actor output Schema ## `events` (type: `string`): All extracted event instances — download as JSON, CSV, Excel or HTML. # API You can run this Actor programmatically using our API. Below are code examples in JavaScript, Python, and CLI, as well as the OpenAPI specification and MCP server setup. ## JavaScript example ```javascript import { ApifyClient } from 'apify-client'; // Initialize the ApifyClient with your Apify API token // Replace the '' with your token const client = new ApifyClient({ token: '', }); // Prepare Actor input const input = { "feeds": [ "https://www.officeholidays.com/ics/usa", "https://calendar.google.com/calendar/ical/en.usa%23holiday%40group.v.calendar.google.com/public/basic.ics" ], "from": "2026-01-01", "to": "2026-12-31", "expandRecurring": true, "maxEventsPerFeed": 1000, "maxConcurrency": 5 }; // Run the Actor and wait for it to finish const run = await client.actor("webdatatools/ical-calendar-extractor").call(input); // Fetch and print Actor results from the run's dataset (if any) console.log('Results from dataset'); console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`); const { items } = await client.dataset(run.defaultDatasetId).listItems(); items.forEach((item) => { console.dir(item); }); // 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs ``` ## Python example ```python from apify_client import ApifyClient # Initialize the ApifyClient with your Apify API token # Replace '' with your token. client = ApifyClient("") # Prepare the Actor input run_input = { "feeds": [ "https://www.officeholidays.com/ics/usa", "https://calendar.google.com/calendar/ical/en.usa%23holiday%40group.v.calendar.google.com/public/basic.ics", ], "from": "2026-01-01", "to": "2026-12-31", "expandRecurring": True, "maxEventsPerFeed": 1000, "maxConcurrency": 5, } # Run the Actor and wait for it to finish run = client.actor("webdatatools/ical-calendar-extractor").call(run_input=run_input) # Fetch and print Actor results from the run's dataset (if there are any) print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}") for item in client.dataset(run.default_dataset_id).iterate_items(): print(item) # 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start ``` ## CLI example ```bash echo '{ "feeds": [ "https://www.officeholidays.com/ics/usa", "https://calendar.google.com/calendar/ical/en.usa%23holiday%40group.v.calendar.google.com/public/basic.ics" ], "from": "2026-01-01", "to": "2026-12-31", "expandRecurring": true, "maxEventsPerFeed": 1000, "maxConcurrency": 5 }' | apify call webdatatools/ical-calendar-extractor --silent --output-dataset ``` ## MCP server setup ```json { "mcpServers": { "apify": { "type": "http", "url": "https://mcp.apify.com/?tools=fetch-actor-details,webdatatools/ical-calendar-extractor" } } } ``` The hosted server signs you in with OAuth on first connect, so no API token belongs in this config. Clients without OAuth support can send an `Authorization: Bearer ` header instead, using a token from API & Integrations in Apify Console (https://console.apify.com/settings/integrations). ## OpenAPI specification Download the OpenAPI definition: https://api.apify.com/v2/actors/BZpQ5zCPS8aqxH09b/builds/FgIpgcWWkiBVcKJut/openapi.json