Automate Square & Google Calendar

Stop paying for mismatched spreadsheets. Sync data between Square 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 ["Square"]
        T1(["Completed Payment"])
    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 Square transactions occur, the payment confirmation details are not automatically reflected in Google Calendar, leading to missed appointments and double bookings. For instance, if a customer pays for a service but the corresponding event isn't created in Google Calendar, the operations team spends hours manually cross-referencing payment records with scheduled events. This not only wastes time but also frustrates customers who expect timely confirmations for their appointments.

Top Ways to Automate Square & Google Calendar

Automated Appointment Scheduling: Sync Square transactions with Google Calendar to automatically create and update appointments, ensuring no double bookings and streamlined scheduling.
Real-Time Payment Notifications: Receive instant notifications in Google Calendar when a payment is processed through Square, allowing for immediate follow-up and improved customer engagement.
Comprehensive Reporting: Generate reports that combine sales data from Square with calendar events, providing insights into peak business hours and optimizing staff allocation.

How to Build the Square → Google Calendar Sync

Set up a webhook in Square to listen for the 'payment_intent.succeeded' event. This will trigger whenever a payment is successfully processed.
Configure the webhook to send a POST request to your server endpoint, e.g., https://yourdomain.com/square-webhook. The payload will include transaction details such as transaction_id, amount, and customer_email.
On your server, extract the necessary information from the webhook payload. For example, retrieve transaction_id, amount, and customer_email.
Use the Google Calendar API to create a new event. Make a POST request to https://www.googleapis.com/calendar/v3/calendars/primary/events. Include the extracted data in the request body, specifying the event time, title (e.g., 'Appointment for {customer_email}'), and description (e.g., 'Payment of {amount} received.')
Ensure that your server handles any errors returned by the Google Calendar API, such as invalid event times or authentication issues.

Developer Warnings & API Gotchas

Ensure that the event time you send to Google Calendar is in the correct format (RFC3339). Misformatted timestamps can lead to events being created at the wrong times.
When extracting customer_email, verify that it exists in the Square payload. If it's missing, your API call to Google Calendar will fail, resulting in an untracked appointment.
Be cautious of duplicate events; if the webhook triggers multiple times for a single payment, implement logic to check for existing events in Google Calendar before creating a new one.

Supported API Operations

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

When this happens in Square... Completed Payment

Do this in Google Calendar Add Attendee(s) to Event
When this happens in Square... Fetch Custom Actions

Do this in Google Calendar Create Calendar
When this happens in Square... Item Variation

Do this in Google Calendar Create Detailed Event
When this happens in Square... List Appointment Service

Do this in Google Calendar Delete Event
When this happens in Square... Locations

Do this in Google Calendar Move Event to Another Calendar

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