Automate Klaviyo & Twilio

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

Get This Workflow Built

Custom API Integration

Secure Data Transfer

Done-For-You Setup

How the Data Flows

graph LR
    subgraph Source ["Klaviyo"]
        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 ["Twilio"]
        A1(["Call Legacy"])
    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 Klaviyo and Twilio operate independently, critical customer engagement data can be lost. For instance, if a Klaviyo email campaign triggers a customer response that isn't captured in Twilio, the marketing team may miss vital insights about customer preferences. This leads to manual data entry where team members must cross-reference Klaviyo engagement metrics with Twilio communication logs, wasting hours each week that could be spent on strategy instead of data reconciliation.

Top Ways to Automate Klaviyo & Twilio

Automated SMS Notifications for Abandoned Carts: Instantly send personalized SMS reminders to customers who abandon their carts, increasing the chances of conversion and reducing cart abandonment rates.
Real-Time Customer Engagement: Sync customer data between Klaviyo and Twilio to trigger timely SMS campaigns based on user behavior, ensuring that your messaging is always relevant and engaging.
Unified Reporting and Analytics: Combine data from both platforms to gain comprehensive insights into customer interactions, enabling data-driven decisions that enhance marketing effectiveness and ROI.

How to Build the Klaviyo → Twilio Sync

In Klaviyo, navigate to the 'Webhooks' section and create a new webhook that listens for the 'Email Opened' event. Set the webhook URL to your Twilio endpoint.
Configure the webhook to send a JSON payload containing the relevant data, such as 'email_id', 'customer_id', and 'timestamp'.
In your Twilio application, set up a REST API endpoint to receive the incoming data. This will be a POST endpoint that processes the JSON payload.
Extract the 'customer_id' from the incoming payload and use it to look up the corresponding phone number in your database.
Use Twilio's Messaging API to send an SMS notification to the customer, including personalized content based on the email interaction.

Developer Warnings & API Gotchas

Ensure that the 'customer_id' in Klaviyo matches exactly with the identifier used in Twilio; mismatches can lead to incorrect SMS targeting.
Be cautious with the JSON payload structure; if the 'timestamp' is not formatted correctly, Twilio may reject the request or misinterpret the timing of the message.
Test the webhook thoroughly; if Klaviyo sends multiple events in quick succession, ensure your Twilio endpoint can handle concurrent requests without data loss.

Supported API Operations

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

When this happens in Klaviyo... Fetch Custom Actions

Do this in Twilio Call (Legacy)
When this happens in Klaviyo... Get List

Do this in Twilio Call Phone
When this happens in Klaviyo... Get Metric

Do this in Twilio SMS (Legacy)
When this happens in Klaviyo... Get Tag

Do this in Twilio Send SMS
When this happens in Klaviyo... New Campaign

Do this in Twilio Send WhatsApp Message

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