Add new form respondents to mailing lists

When a user submits a response in Google Forms (Legacy), automatically create or update their subscriber details in Buttondown and add them to the appropriate marketing list.

Try:

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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.

Buttondown Explore Buttondown →

Triggers

New subscriber added

Fires when a new subscriber is added in Buttondown.

Subscriber unsubscribed

Fires when a contact unsubscribes in Buttondown.

Email opened or clicked

Fires when a subscriber opens or clicks a campaign in Buttondown.

Actions

Add or update a subscriber

Creates or updates a subscriber in Buttondown.

Unsubscribe a contact

Unsubscribes a contact in Buttondown.

Add a subscriber to a list

Adds a subscriber to a list or segment in Buttondown.

Send a transactional email

Sends a one-off transactional email via Buttondown.

Google Forms (Legacy) Explore Google Forms (Legacy) →

Triggers

New form response

Fires when a form is submitted in Google Forms (Legacy).

Survey completed

Fires when a respondent finishes a survey in Google Forms (Legacy).

Response updated

Fires when an existing response is edited in Google Forms (Legacy).

Actions

Create or update form

Creates or updates a form or survey in Google Forms (Legacy).

Retrieve a response

Looks up a specific form response in Google Forms (Legacy).

Add a respondent

Adds a respondent or contact to a form in Google Forms (Legacy).

Send confirmation emails after survey submission Once a survey is completed in Google Forms (Legacy), immediately send a transactional follow-up email from Buttondown to thank the respondent. See details

Pre-populate survey respondents from engaged email clicks When a subscriber clicks a promotional link in Buttondown, automatically create a respondent record in Google Forms (Legacy) to streamline their survey experience. See details

See all Buttondown + Google Forms (Legacy) integrations → · Browse the full workflow library →

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FAQ

Common questions

Can Knit build “Add new form respondents to mailing lists” between Buttondown and Google Forms (Legacy)?

Yes — describe it in the box above and Knit's Integrations Agent researches Buttondown and Google Forms (Legacy)'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 Google Forms (Legacy)?

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

Can email engagement in Buttondown initiate a survey request?

Yes, when a contact clicks a specific link in Buttondown, you can automatically add them as a respondent or send them a transactional email linking to a relevant Google Forms (Legacy) form.