Add new form respondents to mailing lists

When a user submits a response in Interact, automatically create or update their subscriber details in MailerLite Classic and add them to the appropriate marketing list.

Try:

See all MailerLite Classic + Interact integrations or talk to a human

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How Knit builds this workflow

The Agent researches both APIs and wires the trigger on one side to the action on the other — no pre-built connector required. Here is the vocabulary it has to work with.

MailerLite Classic Explore MailerLite Classic →

Triggers

New subscriber added

Fires when a new subscriber is added in MailerLite Classic.

Subscriber unsubscribed

Fires when a contact unsubscribes in MailerLite Classic.

Email opened or clicked

Fires when a subscriber opens or clicks a campaign in MailerLite Classic.

Actions

Add or update a subscriber

Creates or updates a subscriber in MailerLite Classic.

Unsubscribe a contact

Unsubscribes a contact in MailerLite Classic.

Add a subscriber to a list

Adds a subscriber to a list or segment in MailerLite Classic.

Send a transactional email

Sends a one-off transactional email via MailerLite Classic.

Interact Explore Interact →

Triggers

New form response

Fires when a form is submitted in Interact.

Survey completed

Fires when a respondent finishes a survey in Interact.

Response updated

Fires when an existing response is edited in Interact.

Actions

Create or update form

Creates or updates a form or survey in Interact.

Retrieve a response

Looks up a specific form response in Interact.

Add a respondent

Adds a respondent or contact to a form in Interact.

Send confirmation emails after survey submission Once a survey is completed in Interact, 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 Interact to streamline their survey experience. See details

See all MailerLite Classic + Interact integrations → · Browse the full workflow library →

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FAQ

Common questions

Can Knit build “Add new form respondents to mailing lists” between MailerLite Classic and Interact?

Yes — describe it in the box above and Knit's Integrations Agent researches MailerLite Classic and Interact's public API docs (or your own uploaded docs) and builds a working workflow, whether or not either app already has a pre-built connector.

How long does it take to build?

Minutes to 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 Interact?

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 Interact form.