Exclude unsubscribed contacts from ad targeting

When a subscriber unsubscribes in Buttondown, remove that contact from an audience in Facebook Conversions to avoid wasted ad spend.

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See all Buttondown + Facebook Conversions 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.

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.

Facebook Conversions Explore Facebook Conversions →

Triggers

New lead from an ad

Fires when a new lead comes in from an ad campaign in Facebook Conversions.

Conversion event received

Fires when Facebook Conversions records a conversion or offline event.

Campaign published

Fires when a new ad or campaign goes live in Facebook Conversions.

Actions

Send a conversion event

Sends an offline or server-side conversion event to Facebook Conversions.

Add contact to an audience

Adds a contact to a custom audience or customer list in Facebook Conversions.

Remove contact from an audience

Removes a contact from a custom audience in Facebook Conversions.

Subscribe new ad leads to marketing lists When a new lead is captured from an ad in Facebook Conversions, automatically add them as a subscriber to a list in Buttondown. See details

Track email engagement as advertising conversions When an email link is clicked in Buttondown, send a conversion event to Facebook Conversions to measure multi-channel ROI. See details

See all Buttondown + Facebook Conversions integrations → · Browse the full workflow library →

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FAQ

Common questions

Can Knit build “Exclude unsubscribed contacts from ad targeting” between Buttondown and Facebook Conversions?

Yes — describe it in the box above and Knit's Integrations Agent researches Buttondown and Facebook Conversions'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 is the primary benefit of connecting Facebook Conversions to Buttondown?

This integration eliminates manual lead uploads by immediately funneling leads captured in Facebook Conversions directly into automated email subscriber lists in Buttondown.

How does email activity affect ad spending?

When contacts unsubscribe or click key links in Buttondown, automated rules can update custom ad audiences in Facebook Conversions to prevent retargeting contacts who have already churned or converted.