How to connect JustCall and Mailerlite
Create a New Scenario to Connect JustCall and Mailerlite
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 JustCall, triggered by another scenario, or executed manually (for testing purposes). In most cases, JustCall or Mailerlite will be your first step. To do this, click "Choose an app," find JustCall or Mailerlite, and select the appropriate trigger to start the scenario.

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


JustCall

Configure the JustCall
Click on the JustCall node to configure it. You can modify the JustCall URL and choose between DEV and PROD versions. You can also copy it for use in further automations.
Add the Mailerlite Node
Next, click the plus (+) icon on the JustCall node, select Mailerlite from the list of available apps, and choose the action you need from the list of nodes within Mailerlite.


JustCall
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Mailerlite


Authenticate Mailerlite
Now, click the Mailerlite node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Mailerlite settings. Authentication allows you to use Mailerlite through Latenode.
Configure the JustCall and Mailerlite 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 JustCall and Mailerlite 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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Mailerlite
Trigger on Webhook
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JustCall
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Iterator
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Webhook response


Save and Activate the Scenario
After configuring JustCall, Mailerlite, 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 JustCall and Mailerlite integration works as expected. Depending on your setup, data should flow between JustCall and Mailerlite (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect JustCall and Mailerlite
JustCall + Mailerlite + ClickUp: When a call is missed in JustCall, the details are added as a new subscriber or update an existing subscriber in Mailerlite, and a task is created in ClickUp to follow up with the caller.
Mailerlite + JustCall + Google Sheets: When a new subscriber is added in Mailerlite, a call is initiated in JustCall, and the subscriber's contact information is added to a Google Sheet.
JustCall and Mailerlite integration alternatives

About JustCall
Use JustCall in Latenode to automate call workflows: trigger calls based on CRM updates, send SMS follow-ups, and log call data. Latenode adds visual flow control, custom logic, and data enrichment missing in basic JustCall setups. Create complex, scalable call-centric processes with no-code tools and flexible JavaScript.
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About Mailerlite
Use Mailerlite in Latenode to automate email marketing tasks. Add subscribers, send targeted campaigns, and track results based on triggers from your CRM, database, or e-commerce platform. Latenode’s visual editor and code blocks offer flexible control over message personalization and flow logic without complex coding or per-action pricing.
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See how Latenode works
FAQ JustCall and Mailerlite
How can I connect my JustCall account to Mailerlite using Latenode?
To connect your JustCall account to Mailerlite on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select JustCall and click on "Connect".
- Authenticate your JustCall and Mailerlite accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automatically add JustCall callers to Mailerlite?
Yes, easily! With Latenode, automatically add new JustCall contacts to specific Mailerlite groups. Centralize contact management and trigger targeted email campaigns.
What types of tasks can I perform by integrating JustCall with Mailerlite?
Integrating JustCall with Mailerlite allows you to perform various tasks, including:
- Adding new JustCall contacts to a Mailerlite subscriber group.
- Triggering email campaigns based on JustCall call outcomes.
- Updating subscriber information in Mailerlite after a JustCall call.
- Segmenting Mailerlite subscribers based on JustCall call data.
- Sending SMS via JustCall upon new Mailerlite subscription.
How can I use AI to analyze JustCall call transcripts in Latenode?
Latenode's AI blocks let you analyze JustCall call transcripts. Extract insights & automatically update Mailerlite subscriber fields with summarized key info.
Are there any limitations to the JustCall and Mailerlite integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Real-time synchronization depends on the APIs of both platforms.
- Complex data transformations may require JavaScript coding.
- Initial setup requires valid API keys and account permissions.