Twilio logo + Google Calendar logo

Automate Twilio & Google Calendar

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

Custom API Integration
Secure Data Transfer
Done-For-You Setup

How the Data Flows

graph LR
    subgraph Source ["Twilio"]
        T1(["Fetch Custom Actions"])
    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 Twilio and Google Calendar operate independently, critical appointment details can be lost. For instance, if a customer sends a text message to confirm an appointment, the team may manually enter this data into Google Calendar, risking typographical errors. This manual entry wastes time for the scheduling team, who could be focusing on customer interactions instead of data entry, leading to potential double bookings or missed appointments.

Top Ways to Automate Twilio & Google Calendar

  • Automated Appointment Reminders: Automatically send SMS reminders via Twilio for upcoming Google Calendar events, reducing no-shows and ensuring clients are always informed.
  • Real-Time Event Updates: Instantly notify team members through Twilio messages when a Google Calendar event is created, modified, or canceled, keeping everyone aligned and informed.
  • Seamless Scheduling: Enable clients to book appointments directly through SMS, which automatically syncs with Google Calendar, eliminating the risk of double bookings and streamlining the scheduling process.

How to Build the Twilio → Google Calendar Sync

  1. Set up a webhook in Twilio to listen for incoming SMS messages at the endpoint /sms/incoming. This will trigger whenever a customer sends a confirmation text.
  2. In your webhook handler, extract the relevant data from the Twilio payload, specifically the From (customer phone number), Body (message content), and DateSent (timestamp).
  3. Format the extracted data into a JSON object that matches the Google Calendar API requirements. Ensure to include the summary field with the appointment details and the start and end fields with the appropriate timestamps.
  4. Make a POST request to the Google Calendar API endpoint /calendars/{calendarId}/events with the formatted JSON object. Replace {calendarId} with the ID of your target calendar.
  5. Handle the response from Google Calendar to confirm the event was created successfully, and log any errors for troubleshooting.

Developer Warnings & API Gotchas

  • Ensure the DateSent from Twilio is converted to the correct time zone before sending it to Google Calendar; otherwise, the appointment may appear at the wrong time.
  • When extracting the message body, be cautious of special characters or formatting that may not be compatible with Google Calendar's event summary field, which could result in API rejection.
  • Double-check the mapping of Twilio's From number to the Google Calendar event's attendees; if the number is not formatted correctly, the invitation may not reach the intended recipient.

Supported API Operations

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

  • When this happens in Twilio... Fetch Custom Actions
    Do this in Google Calendar Add Attendee(s) to Event
  • When this happens in Twilio... New Call
    Do this in Google Calendar Create Calendar
  • When this happens in Twilio... New Phone Number
    Do this in Google Calendar Create Detailed Event
  • When this happens in Twilio... New Recording
    Do this in Google Calendar Delete Event
  • When this happens in Twilio... New SMS
    Do this in Google Calendar Move Event to Another Calendar

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