Refound your company for the AI era at ZapConnect 2026. Save your spot →

Google Calendar + Webhooks by Zapier

Google Calendar + Webhooks by Zapier integrations

POST approaching Google Calendar events to a Webhook URL

A little advance warning and preparation goes a long way. Set up this Google Calendar-Webhook integration to prepare everything you need before an event. This Zap will trigger at your chosen time before an event begins on Google Calendar, sending the event information to a webhook URL of your choice to feed your other workflows.

When this happens...
Event StartTriggers when a specified amount of time before an event starts.
TriggerPolling
automatically do this!
POSTFire off a single POST request as a form or JSON.
ActionWrite

Start free with email

Start free with Google

Free forever for core features
14 day trial for premium features & apps

More things you can do with Google Calendar and Webhooks by Zapier

Discover other triggers and actions you can use with Google Calendar and Webhooks by Zapier

New Calendar
Triggers when a calendar is created.
Trigger
Polling
Try It
- Calendar
  Required
- Search_term
Trigger
Polling
Try It
- Calendar
  Required
- Expand Recurring Events
Trigger
Instant
Try It
- Calendar
  Required
- Search_term
  Required
- Trigger on newly created events only?
Trigger
Polling
Try It
- Name
  Required
- Description
Action
Write

- Calendar
  Required
- Summary
- Description
- Location
- Add Conferencing?
- Start Date & Time
  Required
- End Date & Time
  Required
- Repeat Frequency
- Repeat Until
- Repeat How Many Times?
- All day
- Color
- Use custom event colors?
- Attendees
- Visibility
- Use Default Reminders?
- Reminders
- Minutes Before Reminders
- Show me as Free or Busy
- Guests Can Modify Event
- Event Type
Action
Write
- Source Calendar
  Required
- Event
  Required
- Destination Calendar
  Required
- Send Notifications
Action
Write

- Calendar
  Required
- Event
  Required
- Summary
- Description
- Location
- Start Date & Time
- End Date & Time
- Repeat Frequency
- Repeat Until
- Repeat How Many Times?
- All day
- Color
- Attendees
- Notify Attendees?
- Visibility
- Use Default Reminders?
- Reminders
- Minutes Before Reminders
- Show me as Free or Busy
Action
Write
- Calendar
  Required
- Event ID
  Required
Action
Search
- Calendar
- Start Time
- End Time
Action
Search
- Calendar
  Required
Action
Search
Catch Raw Hook
Triggers when a POST, PUT, or GET request is made to a Zapier URL. Gives the request body unparsed (max 2 MB) and also includes headers.
Trigger
Instant
Try It
- URL
  Required
- Key
- Deduplication Key
- Xpath
- Basic Auth
- Headers
Trigger
Polling
Try It
- URL
  Required
- Query String Params
- Send As JSON
- JSON key
- Unflatten
- Basic Auth
- Headers
Action
Write
- URL
  Required
- Payload_type
- Data
- Wrap Request In Array
- File
- Unflatten
- Basic Auth
- Headers
Action
Write

- Calendar
  Required
Trigger
Polling
Try It
- Calendar
  Required
- Time Before
- Time Before (Unit)
- Search_term
Trigger
Polling
Try It
- Calendar
  Required
Trigger
Instant
Try It
- Calendar
  Required
- Event
  Required
- Attendee/s
  Required
Action
Write
- Calendar
  Required
- Event
  Required
- Notify Attendees?
Action
Write
- Calendar
  Required
- Describe Event
  Required
- Attendees
Action
Write
- Calendar
  Required
- Event
  Required
- Attendee/s
  Required
Action
Write
- Api_docs_info
- Stop on error
  Required
- HTTP Method
  Required
- URL
  Required
- Query string parameters
- Additional request headers
- Body
Action
Write
- Calendar
  Required
- Expand Recurring Events
- Search_term
- Attendee email
- Start Time Before
- End Time After
- Event Type
Action
Search
- Show Hidden Calendars
- Show Deleted Calendars
- Minimum Access Role
Action
Search
- Calendar
  Required
- Expand Recurring Events
- Search_term
- Attendee email
- Start Time Before
- End Time After
- Event Type
- Summary
- Description
- Location
- Add Conferencing?
- Start Date & Time
  Required
- End Date & Time
  Required
- Repeat Frequency
- Repeat Until
- Repeat How Many Times?
- All day
- Color
- Use custom event colors?
- Attendees
- Visibility
- Use Default Reminders?
- Reminders
- Minutes Before Reminders
- Show me as Free or Busy
- Guests Can Modify Event
- Event Type
Action
Search or write
- Pick off a Child Key
Trigger
Instant
Try It
- Method
  Required
- URL
  Required
- Data Pass-Through?
- Data
- Unflatten
- Basic Auth
- Headers
- Return Raw Response
Action
Write
- URL
  Required
- Payload_type
- Data
- Wrap Request In Array
- File
- Unflatten
- Basic Auth
- Headers
Action
Write

About Google Calendar

Google Calendar lets you organize your schedule and share events with co-workers and friends. With Google's free online calendar, it's easy to keep track of your daily schedule.

Learn moreLearn moreHelpHelp

Related categories

Calendar

Google

Similar apps

Appointlet

Scheduling & Booking

Acuity Scheduling

Scheduling & Booking

Microsoft Office 365

Email, Microsoft

About Webhooks by Zapier

Webhooks simply POST data (or JSON) to a specific URL every time we see something new. Webhooks can also accept data (or JSON) to kick off a workflow in Zapier.

Learn moreLearn moreHelpHelp

Related categories

Developer Tools

Premium

Zapier

Related Zap Templates

Trigger get requests in Webhooks by Zapier for new events in Google Calendar