Automate Notion & Google Calendar

Stop paying for mismatched spreadsheets. Sync data between Notion and Google Calendar in real-time, so you can manage your operations without the busywork.

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Custom API Integration

Secure Data Transfer

Done-For-You Setup

How the Data Flows

graph LR
    subgraph Source ["Notion"]
        T1(["Data Source File Properties"])
    end
    
    subgraph Middleware ["Enterprise Integration Core"]
        W[CRON API
Poller] --> V{Validation
& Auth}
        V -->|Fail| DLQ[Dead Letter
Queue]
        V -->|Pass| Map[Data Mapping
& Transformation]
        Map --> Retry[Rate Limiting
& Retries]
    end
    
    subgraph Target ["Google Calendar"]
        A1(["Add Attendees to Event"])
    end

    T1 -->|JSON Payload| W
    Retry -->|Authenticated API POST| A1

    style Source fill:transparent,stroke:#cbd5e1,stroke-dasharray: 5 5
    style Target fill:transparent,stroke:#cbd5e1,stroke-dasharray: 5 5
    style Middleware fill:#f8fafc,stroke:#94a3b8,stroke-width:2px
    style T1 fill:#3b82f6,stroke:#fff,stroke-width:2px,color:#fff
    style W fill:#1f2937,stroke:#fff,stroke-width:1px,color:#fff
    style V fill:#1f2937,stroke:#fff,stroke-width:1px,color:#fff
    style Map fill:#1f2937,stroke:#fff,stroke-width:1px,color:#fff
    style Retry fill:#1f2937,stroke:#fff,stroke-width:1px,color:#fff
    style DLQ fill:#ef4444,stroke:#fff,stroke-width:1px,color:#fff
    style A1 fill:#e11d48,stroke:#fff,stroke-width:2px,color:#fff

When Notion and Google Calendar operate independently, teams often face scheduling conflicts due to missed updates. For instance, if a project deadline is updated in Notion but not reflected in Google Calendar, team members may waste hours preparing for meetings that no longer exist. This miscommunication leads to wasted resources as project managers and team leads repeatedly enter the same information into both systems, creating frustration and potential project delays.

Top Ways to Automate Notion & Google Calendar

Seamless Task Management: Automatically sync tasks created in Notion with Google Calendar events, ensuring that deadlines are reflected in your calendar without manual entry.
Real-Time Updates: Instantly update your Notion workspace when changes are made to Google Calendar events, keeping your team informed and aligned on schedules and commitments.
Automated Reminders: Set up reminders in Notion for upcoming Google Calendar events, ensuring that you and your team never miss an important meeting or deadline.

How to Build the Notion → Google Calendar Sync

In Notion, set up a Standard Webhook to listen for changes in the database where project deadlines are stored. Ensure the trigger is configured to activate on 'database.update'.
Extract the relevant payload data, specifically the 'properties' field that contains the updated deadline information.
Use the Google Calendar API endpoint POST https://www.googleapis.com/calendar/v3/calendars/{calendarId}/events to create or update events. Make sure to format the extracted deadline into the appropriate date-time format required by Google Calendar.
Map the Notion properties to the Google Calendar event fields, ensuring the 'summary' is set to the project name and the 'start' and 'end' fields reflect the updated deadlines.
Test the integration by updating a deadline in Notion and confirming that the corresponding event is created or updated in Google Calendar.

Developer Warnings & API Gotchas

Ensure that the 'start' and 'end' date-time formats from Notion match the ISO 8601 format required by Google Calendar, or the event creation will fail.
If multiple updates occur in rapid succession, consider implementing a debounce mechanism to prevent multiple webhook triggers from creating duplicate events in Google Calendar.
Be cautious with time zone differences; if Notion does not specify a time zone, Google Calendar may default to UTC, leading to incorrect event timings.

Supported API Operations

We leverage official, stable endpoints to ensure secure data transfer. No deprecated legacy routes.

When this happens in Notion... Data Source File Properties

Do this in Google Calendar Add Attendee(s) to Event
When this happens in Notion... Data Source Properties

Do this in Google Calendar Create Calendar
When this happens in Notion... Data Source Templates

Do this in Google Calendar Create Detailed Event
When this happens in Notion... Fetch Custom Actions

Do this in Google Calendar Delete Event
When this happens in Notion... List Data Source Items

Do this in Google Calendar Move Event to Another Calendar

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I can see you're looking at mapping Notion to Google Calendar. Tell me about your current setup—what's the specific bottleneck you're trying to automate right now?