Automate SendGrid & Klaviyo

Stop paying for mismatched spreadsheets. Sync data between SendGrid and Klaviyo 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 ["SendGrid"]
        T1(["Email Templates List"])
    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 ["Klaviyo"]
        A1(["Add Profile 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 Sendgrid and Klaviyo operate independently, critical engagement data such as email opens and clicks can be lost. For instance, if a marketing team sends a campaign via Sendgrid but fails to capture the corresponding engagement metrics in Klaviyo, they miss out on understanding customer behavior. This leads to manual data entry where team members must sift through Sendgrid reports and manually input engagement stats into Klaviyo, wasting valuable time that could be spent on strategy and analysis.

Top Ways to Automate SendGrid & Klaviyo

Automated Subscriber Sync: Effortlessly synchronize your subscriber lists between SendGrid and Klaviyo, ensuring that your marketing campaigns reach the right audience without manual intervention.
Real-Time Engagement Tracking: Automatically track and analyze customer interactions across both platforms, allowing for timely adjustments to campaigns based on real-time data insights.
Personalized Campaign Triggers: Set up automated workflows that trigger personalized email campaigns based on user behavior, enhancing customer engagement and driving conversions.

How to Build the SendGrid → Klaviyo Sync

Set up a webhook in Sendgrid to listen for email events. Use the endpoint: https://api.sendgrid.com/v3/user/webhooks/event/settings and subscribe to events like 'open' and 'click'.
Configure the webhook to send a POST request to your server when these events occur, ensuring the payload includes essential data such as email, event, and timestamp.
On your server, create an endpoint that captures this incoming data. Extract the relevant fields from the Sendgrid payload.
Use the Klaviyo REST API to insert this data. Make a POST request to https://a.klaviyo.com/api/events/ with the extracted data formatted as per Klaviyo's API requirements, including metric and properties fields.
Test the integration by sending a test email through Sendgrid and verifying that the corresponding events are logged in Klaviyo.

Developer Warnings & API Gotchas

Ensure that the email field in the Sendgrid payload matches the email field expected by Klaviyo. Any discrepancies in formatting (e.g., case sensitivity) can lead to failed inserts.
When mapping the event type from Sendgrid to Klaviyo, ensure you are using the correct metric name that exists in Klaviyo. Mismatches will result in data not being recorded.
Be cautious with the timestamp format; Klaviyo requires timestamps in ISO 8601 format, while Sendgrid may provide them in a different format. This can lead to data being rejected if not correctly formatted.

Supported API Operations

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

When this happens in SendGrid... Email Templates List

Do this in Klaviyo Add Profile to List
When this happens in SendGrid... Fetch Custom Actions

Do this in Klaviyo Add Tag to List

SyncMatrix Experts

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