How to connect Klaviyo and NeverBounce
Create a New Scenario to Connect Klaviyo and NeverBounce
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 NeverBounce will be your first step. To do this, click "Choose an app," find Klaviyo or NeverBounce, 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 NeverBounce Node
Next, click the plus (+) icon on the Klaviyo node, select NeverBounce from the list of available apps, and choose the action you need from the list of nodes within NeverBounce.


Klaviyo
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NeverBounce


Authenticate NeverBounce
Now, click the NeverBounce node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your NeverBounce settings. Authentication allows you to use NeverBounce through Latenode.
Configure the Klaviyo and NeverBounce 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 NeverBounce 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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NeverBounce
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, NeverBounce, 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 NeverBounce integration works as expected. Depending on your setup, data should flow between Klaviyo and NeverBounce (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 NeverBounce
Klaviyo + NeverBounce + Slack: When a new profile is added to a Klaviyo list, verify the email with NeverBounce. If the email is invalid, send a notification to a Slack channel.
Klaviyo + NeverBounce + Google Sheets: When a new profile is created in Klaviyo, verify the email using NeverBounce. Then, add the NeverBounce verification data to a new row in Google Sheets.
Klaviyo and NeverBounce 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 NeverBounce
Use NeverBounce in Latenode to automatically verify email addresses, reducing bounces & improving deliverability. Integrate it into your lead generation or marketing automation flows to validate contacts in real time. Combine with other apps; scale your data quality efforts visually, and save on wasted sends.
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See how Latenode works
FAQ Klaviyo and NeverBounce
How can I connect my Klaviyo account to NeverBounce using Latenode?
To connect your Klaviyo account to NeverBounce 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 NeverBounce accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automatically clean new Klaviyo subscribers with NeverBounce?
Yes, you can! Latenode enables automated email verification, ensuring only valid emails enter Klaviyo. This protects your sender reputation and improves campaign performance.
What types of tasks can I perform by integrating Klaviyo with NeverBounce?
Integrating Klaviyo with NeverBounce allows you to perform various tasks, including:
- Automatically verifying new Klaviyo subscribers using NeverBounce in real-time.
- Cleaning existing Klaviyo lists to remove invalid or risky email addresses.
- Triggering Klaviyo email sequences based on NeverBounce verification results.
- Segmenting Klaviyo lists based on email quality scores from NeverBounce.
- Maintaining high deliverability and reducing bounce rates in Klaviyo.
How can I trigger Klaviyo flows based on NeverBounce validation results?
Use Latenode’s visual editor to create a workflow. Connect NeverBounce to Klaviyo and set conditions based on the validation status to trigger flows.
Are there any limitations to the Klaviyo and NeverBounce integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- The number of email verifications depends on your NeverBounce subscription plan.
- Real-time verification speed may vary based on the NeverBounce API.
- Custom JavaScript might be needed for very specific or complex validation scenarios.