Find an open callback time without searching your calendar
Pass along a caller's preferred window and Notis can look for available slots in Google Calendar.
Trigger
Webhook received
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Action
Find free slots
Finds free/busy time slots in google calendars for specified calendars within a defined time range (defaults to the current day utc if `time min`/`time max` are omitted), enhancing busy intervals with event details; `time min` must precede `time max` if both are provided.
Why this helps
Finding a time after a call often means switching apps and scanning a busy calendar by hand.
- Check availability without leaving your call workflow.
- Keep the caller's preferred window attached to the request.
- Get event details alongside busy intervals when available.
Setup
Build it in a few focused steps.
- 1Connect Callerapi and Google Calendar once in the Notis portal.
- 2Create an automation in Automations, New Automation, and give it a name and prompt.
- 3Tell Notis to find free slots for the supplied callback window and summarize options for the caller.
- 4Pick the webhook trigger and choose where run reports should go.
- 5Test with one real example that includes a time range and the calendar to check.
Questions about this workflow
Will this book the meeting too?
No. This workflow finds open slots. Use the returned options to agree on a time, then run a separate event-creation workflow.
What information should the webhook include?
Include the requested time range, the calendar to check, and any caller context you want Notis to use in its summary.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Callerapi to Google Calendar. A trigger fires from one place; an action lands in another.
Callerapi triggers
Google Calendar actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Insert Calendar into List
Inserts an existing calendar into the user's calendar list.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Update Calendar List Entry
Updates an existing entry on the user\'s calendar list.
Delete Calendar
Deletes a secondary calendar. use calendars.clear for clearing all events on primary calendars.
Update Calendar
Updates metadata for a calendar.
Clear Calendar
Clears a primary calendar. this operation deletes all events associated with the primary calendar of an account.
Create Event
Creates an event on a google calendar, needing rfc3339 utc start/end times (end after start) and write access to the calendar. by default, adds the organizer as an attendee unless exclude organizer is set to true.
Delete event
Deletes a specified event by `event id` from a google calendar (`calendar id`); this action is idempotent and raises a 404 error if the event is not found.
Create a calendar
Creates a new, empty google calendar with the specified title (summary).
Connect any two apps with Notis in the middle.
Callerapi and Google Calendar, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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No card. Works with personal or business Google Calendar.