Process opt-outs across both tools

When a subscriber unsubscribes from a campaign in systeme.io, automatically update their record to unsubscribed status in Kit.

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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.

Kit Explore Kit →

Triggers

New subscriber added

Fires when a new subscriber is added in Kit.

Subscriber unsubscribed

Fires when a contact unsubscribes in Kit.

Email opened or clicked

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

Actions

Add or update a subscriber

Creates or updates a subscriber in Kit.

Unsubscribe a contact

Unsubscribes a contact in Kit.

Add a subscriber to a list

Adds a subscriber to a list or segment in Kit.

Send a transactional email

Sends a one-off transactional email via Kit.

systeme.io Explore systeme.io →

Triggers

Subscriber added

Fires when a new subscriber is added in systeme.io.

Campaign sent

Fires when a campaign is sent from systeme.io.

Subscriber unsubscribed

Fires when a subscriber unsubscribes in systeme.io.

Actions

Add subscriber

Adds or updates a subscriber in systeme.io.

Send campaign

Creates or sends a campaign from systeme.io.

Add to segment

Adds a subscriber to a segment in systeme.io.

Sync new email subscribers across marketing platforms When a subscriber is added in Kit, automatically add them to the corresponding master list and segment in systeme.io. See details

Add engaged email readers to custom marketing segments When an email link is clicked in Kit, automatically add that contact to an active buyer segment in systeme.io for targeted advertising. See details

See all Kit + systeme.io integrations → · Browse the full workflow library →

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FAQ

Common questions

Can Knit build “Process opt-outs across both tools” between Kit and systeme.io?

Yes — describe it in the box above and Knit's Integrations Agent researches Kit and systeme.io'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.

Why integrate Kit with systeme.io?

It maintains consistent subscriber lists across specialized newsletter services and multi-channel marketing tools, preventing audience fragmentation and missed communications.

How are subscriber unsubscribes handled between Kit and systeme.io?

When a subscriber opts out in either platform, the integration automatically updates their status in the other tool to maintain total compliance.