Webflow form and Mailerlite Integration

Questions
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1

:bullseye: What is your goal?

Hi, I’m trying to build a simple automation integrating Webflow and Mailerlite using Make.
Step 1:

  1. Get a particular contact form submission and update it in Mailerlite. The place it in a particular group.
  2. Get a second form submssion, and update it in Mailerlite and place it in a different group so automation in Mailerlite happens automatically In Mailerlite.
  3. Get a third form submission and like the above update in Mailerlite and place it in a different group for automation in Mailerlite.

:thinking: What is the problem & what have you tried?

The form submission does not appear in Mailerlite. And there are some bundling errors and validation errors.

:clipboard: Error messages or input/output bundles

A required field is empty or in the wrong format
Validation failed for 1 parameter(s).

Missing value of required parameter ‘email’.

Code: BundleValidationError

Operation 1
A required field is empty or in the wrong format
Validation failed for 1 parameter(s).

Missing value of required parameter ‘email’.

Code: BundleValidationError

Get help

:link: Create public scenario page

https://eu1.make.com/public/shared-scenario/ls66UCsZcnt/contact-form-integration-webflow

:camera_with_flash: Screenshots (scenario flow, module settings, errors)

Screenshot 2026-06-09 144859.png
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4

Hey Bernice :waving_hand: Welcome to the community!

Let’s break it down first.

Your scenario is failing at the MailerLite step because Make is not receiving a valid value in the required email field.

The error in your run log says exactly that: Missing value of required parameter 'email', so this is a field mapping issue first, not a MailerLite group issue.

Check the output bundle from your Webflow trigger and confirm which field actually contains the submitted email address, then map that exact token into the MailerLite email field.

If you have 3 different forms, the clean setup is Webflow trigger → Router → 3 filters by form ID/name → one MailerLite module per route with the correct group ID.

Before adding groups or automations, run one form submission and verify that the MailerLite module receives a non-empty email value.

Let us know how it goes :thinking:

-John

5

Hi @Bernice,

The error indicates that MailerLite is not receiving a value for the required Email field. Since the email should be coming from the Webflow form submission, please verify that:

  1. The Email field in the MailerLite module is mapped to the email field from the Webflow module.
  2. The email value is present in the Webflow output bundle.
  3. The email is in a valid format (e.g., [email protected]).

I tested the scenario you shared by creating my own connection and submitting a sample Webflow form, and it worked successfully on my end.

Please refer to the screenshot.

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Please review the points above and let us know if the issue persists. We’ll be happy to help you troubleshoot it further.

Best Regards,
@Mohamed_Jahar

6

Thanks John, appreciate your help! Was able to figure out the email part based on your inputs. Thanks again!

7

Thank you Mohammed! Appreciate your help here. Yes I was able to see the issue was because of a conflicting set up inside of Webflow. After I fixed the form on Webflow, I was able to fix it in Make as well. Thanks again and appreciate your insight here!

8

HI @johnai.tech and @Mohamed_Jahar , sorry to trouble you. But I recreated the scenario after redoing the Webflow form and also since I had missed adding the group.

So currently my set up looks like this:

  1. Watch for webflow form submission through the contact page of the site.
  2. Step 2- add contact to mailerlite. It says that there are no errors when data comes into Mailerlite, but I’m not getting the latest submission
  3. Add a contact to a particular group - not sure how to match update a contact with a group.
  4. There are 3 groups that are created in Mailerlite - contact form, HDCIM Application and Preclinical application.

Can you please help with this? Thanks and looking forward to your reply.

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9

Hey @Bernice :waving_hand:

Can you try Add subscriber to a group module from mailerlite instead of Update a group?
Then, you must have 3 branches in the Router, with each filtering per group for contact form, HDCIM Application and Preclinical application.

For the webflow trigger, you must pick a module that has a tag of Instant for form submissions.

Let us know how it goes :wink: