MailerLite Classic Ninja Forms

MailerLite Classic + Ninja Forms Integrations, Built by an AI Agent

Put MailerLite Classic + Ninja Forms to work with AI and enterprise-grade automation

Try:

Learn more about MailerLite Classic integrations or talk to a human

Trusted by teams already building on Knit·4.9 out of 5 stars4.9/5 on G2·GoogleGoogle for Startups Accelerator
prismforceHackerearthIsotopes AIInfojobsPayoneerOutsolveSkuadPayworksItiliteOnsurityRazorpayXMultiplierPeoplestrongScrutCeipal

See the kind of workflows teams build with MailerLite Classic and Ninja Forms below — describe the exact one you want above and the Agent builds it on demand.

MailerLite Classic + Ninja Forms Add new Ninja Forms form submitters as subscriber records in MailerLite Classic. See details
Add new form respondents to mailing lists When a user submits a response in Ninja Forms, automatically create or update their subscriber details in MailerLite Classic and add them to the appropriate marketing list. See details
Send confirmation emails after survey submission Once a survey is completed in Ninja Forms, immediately send a transactional follow-up email from MailerLite Classic to thank the respondent. See details
Pre-populate survey respondents from engaged email clicks When a subscriber clicks a promotional link in MailerLite Classic, automatically create a respondent record in Ninja Forms to streamline their survey experience. See details

Browse the full workflow library →

Looking to achieve something else with MailerLite Classic and Ninja Forms?

Just describe what you need — the Agent researches both APIs and builds the real automation on demand.

Try Knit Free

Triggers & actions for MailerLite Classic and Ninja Forms

Everything MailerLite Classic and Ninja Forms can do inside a workflow — the triggers that start one and the actions that run when it fires.

MailerLite Classic Explore MailerLite Classic →

MailerLite Classic is an intuitive email marketing service that provides small businesses with drag-and-drop newsletter builders, landing pages, and automation.

Triggers
Campaign Sent

Triggers when a campaign is sent.

New Subscriber

Triggers when a new subscriber is created.

Spam Complaint

Triggers when subscriber issues a spam complaint about an email.

Subscriber Added Through a Webform

Triggers when a subscriber is added through a specific webform.

Subscriber Added to Group

Triggers when a subscriber is added to a group.

Subscriber Completed Automation

Triggers when a subscriber completed a selected workflow.

Actions
Create/Update Subscriber

Creates a new subscriber or updates the existing by email address.

Remove Subscriber From a Group

Removes an existing subscriber from a group by email address.

Unsubscribe Subscriber

Sets the contact's status to "unsubscribed".

API Request (Beta)

This is an advanced action which makes a raw HTTP request that includes this integration's authentication.

Ninja Forms Explore Ninja Forms →

Ninja Forms is a flexible drag-and-drop form builder plugin designed for WordPress websites to collect form submissions.

Triggers
New Form Submission

Triggers when a form is submitted.

Enterprise-grade security

SOC 2 certified GDPR compliant ISO 27001 certified
Visit our Security Center Review the DPA

Customer Stories

See how leading technology firms are scaling their operations

Amazing Product With Exceptional Support from the team. By using Knit we managed to speed up our development by orders of magnitude.
H
Huynh H
Developer, Multiplier
A brilliant tool to let you seamlessly integrate with many different systems. It is very easy to integrate with and customer support is next level.
J
Jayesh
Co-Founder, Scrut
Seamless integration experience. Well-documented, self-explanatory APIs, and excellent service and support.
P
Poorvi
Product Manager, Onsurity
Easy to integrate. Knit's dashboard is intuitive for setting up and testing integrations, and the sandbox is extremely useful during development.
A
Aditya
Product Lead, RazorpayXPayroll
Knit shipped a brand-new Timesheet API in a week and handed us a ready-to-use NetSuite sandbox. That velocity is priceless when you're running payroll in 40+ countries.
R
Rohit Singh
GM, Payoneer Workforce Management

#1 in Ease of Integrations

4.9 out of 5 stars

4.9 out of 5 stars on G2

G2 Leader, Spring 2026G2 Fastest Implementation, Spring 2026G2 High Performer, Spring 2026G2 Best Est. ROI, Spring 2026
FAQ

Common questions about MailerLite Classic + Ninja Forms

Is there a pre-built MailerLite Classic + Ninja Forms automation?

Not yet, but Knit's Integrations Agent can build one — describe what you want and it researches MailerLite Classic and Ninja Forms's public API docs (or your own uploaded docs) and builds a working automation.

Does this require a pre-built MailerLite Classic or Ninja Forms connector?

No. The Agent works whether or not MailerLite Classic or Ninja Forms already has a pre-built connector in Knit's catalog — it researches the real API surface either way.

How long does it take to build?

Minutes to build a first working version, not weeks — you test it against real data before it goes anywhere near production.

What happens when someone completes a survey in Ninja Forms?

You can automatically add or update their contact profile in MailerLite Classic and assign them to specific mailing lists based on their survey answers.

Can email engagement in MailerLite Classic initiate a survey request?

Yes, when a contact clicks a specific link in MailerLite Classic, you can automatically add them as a respondent or send them a transactional email linking to a relevant Ninja Forms form.

Put Integrations on Autopilot. Talk to Experts.

Knit is loved by customers across the globe due to our seamless product and white glove support. You'll love us too!

Talk to a Human