How to connect Klaviyo and Sendy
Create a New Scenario to Connect Klaviyo and Sendy
In the workspace, click the “Create New Scenario” button.

Add the First Step
Add the first node – a trigger that will initiate the scenario when it receives the required event. Triggers can be scheduled, called by a Klaviyo, triggered by another scenario, or executed manually (for testing purposes). In most cases, Klaviyo or Sendy will be your first step. To do this, click "Choose an app," find Klaviyo or Sendy, and select the appropriate trigger to start the scenario.

Add the Klaviyo Node
Select the Klaviyo node from the app selection panel on the right.


Klaviyo

Add the Sendy Node
Next, click the plus (+) icon on the Klaviyo node, select Sendy from the list of available apps, and choose the action you need from the list of nodes within Sendy.


Klaviyo
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Sendy


Authenticate Sendy
Now, click the Sendy node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Sendy settings. Authentication allows you to use Sendy through Latenode.
Configure the Klaviyo and Sendy Nodes
Next, configure the nodes by filling in the required parameters according to your logic. Fields marked with a red asterisk (*) are mandatory.
Set Up the Klaviyo and Sendy Integration
Use various Latenode nodes to transform data and enhance your integration:
- Branching: Create multiple branches within the scenario to handle complex logic.
- Merging: Combine different node branches into one, passing data through it.
- Plug n Play Nodes: Use nodes that don’t require account credentials.
- Ask AI: Use the GPT-powered option to add AI capabilities to any node.
- Wait: Set waiting times, either for intervals or until specific dates.
- Sub-scenarios (Nodules): Create sub-scenarios that are encapsulated in a single node.
- Iteration: Process arrays of data when needed.
- Code: Write custom code or ask our AI assistant to do it for you.

JavaScript
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AI Anthropic Claude 3
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Sendy
Trigger on Webhook
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Klaviyo
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Iterator
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Webhook response


Save and Activate the Scenario
After configuring Klaviyo, Sendy, and any additional nodes, don’t forget to save the scenario and click "Deploy." Activating the scenario ensures it will run automatically whenever the trigger node receives input or a condition is met. By default, all newly created scenarios are deactivated.
Test the Scenario
Run the scenario by clicking “Run once” and triggering an event to check if the Klaviyo and Sendy integration works as expected. Depending on your setup, data should flow between Klaviyo and Sendy (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect Klaviyo and Sendy
Shopify + Klaviyo + Sendy: When a new customer is created in Shopify, they are automatically added as a profile to a Klaviyo list and as a subscriber to a Sendy list, streamlining email marketing efforts.
Sendy + Klaviyo + Slack: Whenever a new subscriber is added to either Sendy or a new profile is created in Klaviyo, a notification is sent to a designated Slack channel to keep the team informed about new contacts.
Klaviyo and Sendy integration alternatives

About Klaviyo
Use Klaviyo in Latenode to automate email marketing based on real-time triggers. Sync customer data, personalize campaigns, and track results within automated workflows. Connect Klaviyo to other apps like CRMs or payment gateways. Run automations without per-step cost limits, scale email personalization, and use AI to improve campaign targeting.
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About Sendy
Use Sendy in Latenode to automate email campaigns without complex coding. Trigger campaigns based on events in other apps (CRM, e-commerce). Latenode lets you process data, filter recipients, and personalize emails with JavaScript or AI nodes before sending via Sendy. Scale outreach efficiently and track results within your workflows.
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See how Latenode works
FAQ Klaviyo and Sendy
How can I connect my Klaviyo account to Sendy using Latenode?
To connect your Klaviyo account to Sendy on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select Klaviyo and click on "Connect".
- Authenticate your Klaviyo and Sendy accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I sync Klaviyo segments to Sendy lists?
Yes, you can! Latenode's flexible data mapping lets you seamlessly sync Klaviyo segments to Sendy lists. This ensures consistent audience targeting across your marketing platforms, saving time and improving relevance.
What types of tasks can I perform by integrating Klaviyo with Sendy?
Integrating Klaviyo with Sendy allows you to perform various tasks, including:
- Automatically adding new Klaviyo subscribers to a Sendy mailing list.
- Updating subscriber information in Sendy based on Klaviyo events.
- Triggering email campaigns in Sendy based on Klaviyo segment entry.
- Creating personalized email flows in Sendy using Klaviyo data.
- Analyzing campaign performance across both platforms in one dashboard.
How does Latenode handle Klaviyo's API rate limits?
Latenode intelligently manages API requests to prevent hitting rate limits, ensuring reliable Klaviyo data syncing, even with high volumes. This avoids workflow disruptions.
Are there any limitations to the Klaviyo and Sendy integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Historical data migration might require additional configuration.
- Complex data transformations may necessitate custom JavaScript code.
- Advanced segmentation logic might not be fully mirrored across platforms.