Integration
Connect CalendarLink to systeme.io
When something happens in CalendarLink, your agent does the next thing in systeme.io. Describe it in plain language and the automation is built, tested on every branch and kept running.
Build it
What do you want CalendarLink and systeme.io to do together?
Describe it and your agent reads both APIs, builds the automation, tests every branch and ships it. The list below is what exists today, not the limit.
Ask the assistant
You'll sign in before anything runs. What you typed comes with you.
Or work from Claude Code
Install the APIANT plugin for Claude Code and build, edit, test and read run history from your terminal. Every plan gets this, including free, and it spends no assistant credits.
Connect Claude CodeEverything your agent can do with CalendarLink and systeme.io
Triggers and actions 2 triggers · 18 actions
Trigger
New Upcoming EventTriggered when a new upcoming event is added to your CalendarLink organisation.
Action
Create New EventCreates an event in a CalendarLink collection and returns its add-to-calendar link. Times use the format 2026-09-01 09:00:00. Optionally turns on RSVP with a deadline, attendee limit and notification settings.
Action
Find EventSearches your CalendarLink events for one whose title contains the text you give, and returns the first match with its add-to-calendar link, times and RSVP counts.
Action
List ContactsReturns a page of the contacts in your CalendarLink organisation, 15 per page, along with how many pages there are.
Action
List Event CollectionsReturns every event collection in your CalendarLink organisation, with each collection's ID, name, description, public link and event count.
Action
List Event RegistrationsReturns a page of the people who signed up for one CalendarLink event, 15 per page. The event must have RSVP turned on.
Action
List Past EventsReturns a page of your CalendarLink events that have already finished, 15 per page, newest first.
Action
List Upcoming EventsReturns a page of your CalendarLink events that have not happened yet, 15 per page.
Action
Update Event CollectionChanges the settings of one CalendarLink event collection — its name, description, appearance, what visitors can add and whether sign-up is required. Only the fields you fill in are changed; the rest keep their current values.
Trigger
New Tag Added to ContactTriggers when a tag is added to contact.
Action
Add digital productCreate a new payment Digital Product resource. POST /api/payment/digital-products
Action
Add tag to contactAssign an existing Tag to a Contact by id (distinct from create-or-update-with-tags). POST /api/contacts/{id}/tags
Action
Create or Update a Contact, Including Adding TagsCreates a contact in systeme.io, or updates the existing contact with that email address, and applies any tags you list.
Action
Delete contactRemove a Contact resource by id. DELETE /api/contacts/{id}
Action
Find contacts by emailSearch Contact resources filtered by email address. GET /api/contacts?email=
Action
Get contactRetrieve a single Contact resource by id. GET /api/contacts/{id}
Action
List contactsRetrieve the collection of Contact resources, paginated. GET /api/contacts
Action
List digital productsRetrieve the collection of payment Digital Product resources. GET /api/payment/digital-products
Action
List tagsRetrieve the collection of Tag resources. GET /api/tags
Action
Remove TagRemoves tag from a contact
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.