Automate Google Calendar & Gmail

Stop paying for mismatched spreadsheets. Sync data between Google Calendar and Gmail 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 ["Gmail"]
        A1(["Add Label to Email"])
    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 and Gmail operate independently, scheduling conflicts frequently arise, resulting in missed meetings and lost opportunities. For instance, if a team member updates an event in Google Calendar, but this change is not reflected in Gmail, the invitees might receive outdated information, leading to confusion. This manual process of cross-checking calendars and sending follow-up emails wastes valuable time for administrative staff who could be focusing on more strategic tasks.

Top Ways to Automate Google Calendar & Gmail

Automated Event Creation: Instantly create calendar events directly from Gmail messages, ensuring that important meetings and deadlines are never overlooked.
Smart Reminders: Receive automatic reminders in Gmail for upcoming calendar events, helping you stay on top of your schedule without manual tracking.
Seamless Availability Sharing: Effortlessly share your availability through Gmail, allowing colleagues and clients to book meetings directly based on your Google Calendar slots, eliminating back-and-forth emails.

How to Build the Google Calendar → Gmail Sync

Set up a webhook in Google Calendar to listen for the 'events.updated' trigger. This will notify your integration when any event is modified.
Configure the webhook to send a payload containing the event details, including 'summary', 'start', 'end', and 'attendees' to your integration endpoint.
In your integration code, extract the necessary fields from the webhook payload. Specifically, focus on 'summary' for the subject line, 'start' and 'end' for the date and time, and 'attendees' for the recipient email addresses.
Use the Gmail REST API to create a new message. Make a POST request to the '/gmail/v1/users/me/messages/send' endpoint with the extracted data formatted in the request body.
Ensure that the email body includes a clear description of the updated event and any relevant links to the Google Calendar event.

Developer Warnings & API Gotchas

Be cautious with the 'attendees' field; it may contain multiple email addresses formatted as an array. Ensure your code correctly iterates through this array to include all recipients in the Gmail message.
When parsing the 'start' and 'end' times, ensure you convert them from the ISO 8601 format provided by Google Calendar into the appropriate format required by the Gmail API.
Double-check the permissions for the Gmail API; if the integration lacks the necessary scopes, it may result in authorization errors when attempting to send emails.

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 Gmail Add Label to Email
When this happens in Google Calendar... Event Ended

Do this in Gmail Archive Email
When this happens in Google Calendar... Event Ended (Legacy)

Do this in Gmail Create Draft
When this happens in Google Calendar... Event Start

Do this in Gmail Create Draft (Legacy)
When this happens in Google Calendar... Fetch Custom Actions

Do this in Gmail Create Draft Reply

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