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

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


Mailerlite

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


Mailerlite
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Square


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


Save and Activate the Scenario
After configuring Mailerlite, Square, 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 Mailerlite and Square integration works as expected. Depending on your setup, data should flow between Mailerlite and Square (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect Mailerlite and Square
Square + Mailerlite + Slack: When a new paid order is created in Square, a customer is created or updated in Mailerlite, and a notification is sent to a Slack channel.
Square + Mailerlite + Google Sheets: When a new paid order is created in Square, a customer is created or updated in Mailerlite, and the transaction data is added to a Google Sheet.
Mailerlite and Square integration alternatives

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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About Square
Automate Square tasks in Latenode: sync payments with accounting, trigger fulfillment on successful transactions, and send custom invoices based on CRM data. Use visual workflows to connect Square with other apps, add logic with JS, and scale without step limits. Streamline finance operations.
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See how Latenode works
FAQ Mailerlite and Square
How can I connect my Mailerlite account to Square using Latenode?
To connect your Mailerlite account to Square on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select Mailerlite and click on "Connect".
- Authenticate your Mailerlite and Square accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automatically add new Square customers to Mailerlite?
Yes, you can! Latenode lets you seamlessly add new Square customers to Mailerlite, automatically growing your email lists. Leverage advanced logic to segment subscribers by purchase history.
What types of tasks can I perform by integrating Mailerlite with Square?
Integrating Mailerlite with Square allows you to perform various tasks, including:
- Add new Square customers as subscribers in Mailerlite.
- Update subscriber details in Mailerlite from Square transactions.
- Trigger targeted email campaigns based on Square purchase data.
- Send personalized thank-you emails after a Square transaction.
- Segment Mailerlite subscribers based on Square purchase frequency.
Can I use JavaScript within the Mailerlite and Square integration?
Yes! Latenode lets you add custom JavaScript code for complex data transformations and logic within your Mailerlite and Square workflows, extending functionality.
Are there any limitations to the Mailerlite and Square integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Complex data transformations may require JavaScript coding.
- Real-time synchronization depends on the APIs of both platforms.
- Rate limits on Mailerlite/Square API calls may affect high-volume workflows.