Trigger
123FormBuilder and Mailerlite integration
Automate 123FormBuilder + Mailerlite workflows
Automate your form submissions directly to your email marketing campaigns by connecting 123formbuilder with Mailerlite. Capture leads, sync contacts instantly, and nurture subscribers without manual data entry or repetitive tasks.
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Technical overview
What this integration can actually do
This is not a rigid connector between 123FormBuilder and Mailerlite. Use native nodes where they already exist, then cover edge cases with webhook, polling, HTTP Request, or JavaScript in the same scenario.
12 triggers and 15 actions across 123FormBuilder and Mailerlite
Gets data from
New Form and New Submission, plus 10 more triggers
Can do
Create New Form and Delete Form, plus 13 more actions
Works via
Native nodes, Webhooks, Polling, HTTP Request, JavaScript
Customizable with
field mapping, filters, branching, retries, dedupe logic, and custom API or JavaScript steps.
Capabilities
Triggers & Actions
Every event and operation available when connecting 123FormBuilder and Mailerlite — from both apps.
Trigger
New Submission
Trigger
Campaign Sent
Trigger
Spam Complaint
Trigger
Subscriber Added To Group
Trigger
Subscriber Bounced
Production readiness
Production workflow controls
Use these controls when a workflow needs to stay stable after launch, not just pass a happy-path test.
01
Retry failed API calls
Automatically retry temporary failures before a run is marked as failed.
02
Handle 429 / rate-limit responses
Pause, back off, and continue the workflow safely when an upstream API throttles requests.
03
Add fallback branches for missing fields
Route incomplete payloads into a safe branch instead of letting the main scenario break.
04
Prevent duplicates with lookup-before-create logic
Check whether a record already exists before creating a new one in the destination system.
05
Use JavaScript to normalize dates, phone numbers, tags, and statuses
Clean and standardize values before mapping them into downstream fields.
06
Store execution logs for debugging
Keep a trace of what happened in every run so production issues are easier to inspect.
07
Route failed runs to email or a database
Notify the team or save failures for follow-up when a run cannot complete successfully.
08
Manually rerun failed executions
Replay a failed run after the issue is fixed without rebuilding the scenario from scratch.
Example payload
See what the workflow receives and returns
Show one real event and one real result so technical users can understand the payload shape before they connect accounts or customize the scenario.
Source event
JSON{"event": "client_added","client": {"id": "client_123","firstName": "Alex","lastName": "Smith","status": "active","tags": ["online-coaching"]}}Scenario result
JSON{"target": "wix_contact","operation": "upsert","dedupeBy": "email","status": "created"}Setup
Connect both apps in 3 steps
No developer needed. From credentials to live workflow in under 10 minutes.
01
Connect 123FormBuilder
Authenticate 123FormBuilder in Latenode's Credentials panel. You'll need access to your 123FormBuilder account and permissions to create connections.
02
Connect Mailerlite
Add Mailerlite credentials (OAuth or API key, depending on the app). Latenode stores credentials securely and never saves your passwords.
03
Build and go live
Pick a trigger and an action, test with real data, then toggle your workflow to Live — done.
Build your 123FormBuilder + Mailerlite automation
Choose a trigger and an action to build your workflow.
When this happens in 123FormBuilder...
...do this in Mailerlite
Or
Describe your automation — press Build to open it in the editor.
Yes! Latenode provides a native integration between 123FormBuilder and Mailerlite. You can connect them in minutes using our visual workflow builder — no coding required.
Use cases
Explore each app
Start from either hub, then mix triggers and actions with the rest of your stack.
About 123FormBuilder
123FormBuilder is an intuitive online form builder that allows users to create custom forms, surveys, and applications without any coding. With a user-friendly drag-and-drop interface, it offers a wide range of templates and integrations, enabling businesses to gather data efficiently. Key features include advanced form field options, conditional logic, payment processing, and real-time data analytics, making it ideal for collecting feedback, registrations, and payments seamlessly.
Learn morePopular 123FormBuilder pairs
About Mailerlite
Mailerlite is an intuitive email marketing platform designed to help businesses create, send, and optimize engaging email campaigns. With features like drag-and-drop email design, customizable templates, automation tools, and advanced analytics, Mailerlite empowers users to effectively reach and engage their audience. Additionally, it offers subscriber management and segmentation to tailor communications, ensuring that users can grow their email list and maximize their marketing efforts with ease.
Learn moreStart automating 123FormBuilder + Mailerlite today
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