Connect Klaviyo to Mailerlite
Automate workflows between Klaviyo and Mailerlite. No coding required.
What you can automate between Klaviyo and Mailerlite
These are the most popular automations teams set up between Klaviyo and Mailerlite. Each one runs automatically once activated — no manual steps.
Add subscriber when new subscriber
Add someone to your mailing list automatically when when someone joins your mailing list.
Add subscriber when new subscriber
Add someone to your mailing list automatically when when someone joins your mailing list.
Sync Klaviyo changes to Mailerlite
Keep Mailerlite updated when when a recipient opens your email.
What syncs between Klaviyo and Mailerlite
When an event occurs in Klaviyo, the relevant data is automatically sent to Mailerlite. Arahi maps the fields between both apps so the data arrives in the right format — no manual formatting or exports required.
Data from Klaviyo
- Campaign data
- Subscriber lists
- Email opens / clicks
- Audience segments
- Tags
Data from Mailerlite
- Campaign data
- Subscriber lists
- Email opens / clicks
- Audience segments
- Tags
How to connect Klaviyo to Mailerlite
Follow these steps to set up your integration. The entire process takes under 5 minutes.
What you'll need
- An active Klaviyo account
- An active Mailerlite account
- A free Arahi AI account (sign up takes 30 seconds)
Create your Arahi AI account
Sign up at app.arahi.ai — it's free and takes 30 seconds. No credit card required. You'll land on the dashboard where you can create your first workflow.
Authenticate Klaviyo
Click "Add Connection" and select Klaviyo from the app directory. You'll be redirected to Klaviyo's authorization page. Grant Arahi access to your campaigns, audiences, and analytics data. You control which lists and campaigns the integration can modify.
Authenticate Mailerlite
Same process for Mailerlite. Click "Add Connection," select Mailerlite, and authorize access. Grant Arahi access to your campaigns, audiences, and analytics data. You control which lists and campaigns the integration can modify.
Choose your trigger
Select what event starts the workflow. For this integration, popular triggers include: new subscriber in klaviyo or new subscriber in mailerlite. The trigger fires automatically whenever that event happens — no manual intervention.
Configure the action
Define what happens when the trigger fires. For example: add subscriber in mailerlite. Map the data fields between Klaviyo and Mailerlite so the right information lands in the right place.
Test and activate
Run a test to confirm data flows correctly between Klaviyo and Mailerlite. Check that the fields map as expected, then toggle the workflow on. It runs 24/7 from here — Arahi handles retries, error logging, and monitoring automatically.
Why connect Klaviyo and Mailerlite?
Manually moving data between Klaviyo and Mailerlite is error-prone and eats into your team's productive hours. Connecting them through Arahi eliminates that overhead — events in one app trigger actions in the other automatically.
Tips for your Klaviyo + Mailerlite integration
Get more out of this integration with these best practices.
Who uses the Klaviyo + Mailerlite integration?
Teams across industries connect Klaviyo and Mailerlite to streamline their workflows.
Marketing managers running campaigns who need Klaviyo and Mailerlite in sync
Content marketing consolidating their marketing stack
Content creators managing workflows eliminating duplicate work across platforms
Frequently asked questions
Everything you need to know about connecting Klaviyo and Mailerlite.
How do I connect Klaviyo to Mailerlite?
Sign up for a free Arahi AI account, then click "Add Connection" to authenticate both Klaviyo and Mailerlite via OAuth. Choose a workflow template — like syncing marketing events to marketing actions — customize the field mapping, and activate. The entire setup takes under 5 minutes.
What can I automate between Klaviyo and Mailerlite?
You can automate a wide range of workflows: sync new Klaviyo events to Mailerlite actions, trigger Mailerlite updates when Klaviyo data changes, create Mailerlite records from Klaviyo events, and build conditional workflows with filters and field mapping. Each workflow runs 24/7 with automatic retries.
Is the Klaviyo and Mailerlite integration free?
Arahi AI includes 100 free actions per month on the Starter plan — enough for most small teams. If your Klaviyo-to-Mailerlite workflows need more volume, paid plans start at $29/month with unlimited workflows and priority execution.
Is my Klaviyo data secure when connected to Mailerlite?
Yes. Arahi uses OAuth 2.0 for authentication — we never store your Klaviyo or Mailerlite passwords. All data is encrypted in transit (TLS 1.3) and at rest (AES-256). Your marketing data is only accessed when a workflow runs, and you can revoke access at any time from your Arahi dashboard.
Can I sync data both ways between Klaviyo and Mailerlite?
Yes. You can set up workflows that trigger from either Klaviyo or Mailerlite. For example, create a workflow where Klaviyo events update Mailerlite, and a separate one where Mailerlite changes sync back to Klaviyo. Each direction is configured independently so you have full control.
Do I need technical skills to connect Klaviyo and Mailerlite?
No coding is required. Arahi's visual workflow builder lets you configure triggers, actions, and field mapping with clicks. If you can use Klaviyo and Mailerlite, you can set up the integration. Most users are running their first workflow within 10 minutes.
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