Automate Google Calendar & HubSpot

Stop paying for mismatched spreadsheets. Sync data between Google Calendar and HubSpot 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 ["Google Calendar"]
        T1(["Event Cancelled"])
    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 ["HubSpot"]
        A1(["Add Contact to List"])
    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 Google Calendar events are not integrated with HubSpot, sales teams often miss critical updates on client meetings. For instance, if a meeting is rescheduled in Google Calendar, the sales representative must manually update the HubSpot CRM, risking outdated information. This leads to wasted hours each week as team members scramble to reconcile discrepancies, and potential client interactions can be lost due to incorrect scheduling data.

Top Ways to Automate Google Calendar & HubSpot

Automated Event Syncing: Seamlessly sync events between Google Calendar and HubSpot, ensuring that all appointments and meetings are automatically updated in both platforms, eliminating scheduling conflicts and reducing manual entry.
Lead Engagement Tracking: Automatically log calendar events related to leads in HubSpot, providing your sales team with a comprehensive view of interactions and enabling timely follow-ups based on scheduled meetings.
Task Automation: Create tasks in HubSpot based on Google Calendar events, ensuring that important follow-ups and action items are never overlooked, thus enhancing team accountability and productivity.

How to Build the Google Calendar → HubSpot Sync

Set up a webhook in Google Calendar to listen for event updates. Use the endpoint: https://www.googleapis.com/calendar/v3/calendars/{calendarId}/events with the appropriate event types.
Configure the webhook to trigger on event creation, updates, and deletions. Ensure the payload includes necessary fields such as id, summary, start, and end.
In your server-side application, parse the incoming JSON payload to extract relevant event details.
Use the HubSpot REST API to insert or update the event in HubSpot. POST to the endpoint: https://api.hubapi.com/engagements/v1/engagements.
Map the Google Calendar fields to HubSpot fields: summary to engagement.type, start to engagement.startTime, and end to engagement.endTime.
Test the integration by creating, updating, and deleting events in Google Calendar and verifying the changes reflect in HubSpot.

Developer Warnings & API Gotchas

Ensure the start and end times from Google Calendar are in the correct timezone format expected by HubSpot, or data may not display correctly.
When handling event deletions, verify that the payload includes the deleted status, as failing to handle this can result in orphaned records in HubSpot.
Be cautious with event id mappings; if an event is updated, the id remains the same, but other fields may change, leading to potential overwrites if not handled properly.

Supported API Operations

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

When this happens in Google Calendar... Event Cancelled

Do this in HubSpot Add Contact to List
When this happens in Google Calendar... Event Ended

Do this in HubSpot Add Contact to Workflow
When this happens in Google Calendar... Event Ended (Legacy)

Do this in HubSpot Create Associations
When this happens in Google Calendar... Event Start

Do this in HubSpot Create COS Blog Post
When this happens in Google Calendar... Fetch Custom Actions

Do this in HubSpot Create CRM Object

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