Add engaged email readers to custom marketing segments
When an email link is clicked in Letterhead, automatically add that contact to an active buyer segment in Admiral for targeted advertising.
See all Admiral + Letterhead integrations or talk to a human
Google for Startups AcceleratorHow 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.
Admiral Explore Admiral →
TriggersFires when a new subscriber is added in Admiral.
Fires when a campaign is sent from Admiral.
Fires when a subscriber unsubscribes in Admiral.
Adds or updates a subscriber in Admiral.
Creates or sends a campaign from Admiral.
Adds a subscriber to a segment in Admiral.
Letterhead Explore Letterhead →
TriggersFires when a new subscriber is added in Letterhead.
Fires when a contact unsubscribes in Letterhead.
Fires when a subscriber opens or clicks a campaign in Letterhead.
Creates or updates a subscriber in Letterhead.
Unsubscribes a contact in Letterhead.
Adds a subscriber to a list or segment in Letterhead.
Sends a one-off transactional email via Letterhead.
More Admiral + Letterhead workflows
See all Admiral + Letterhead integrations → · Browse the full workflow library →
Enterprise-grade security
Common questions
Can Knit build “Add engaged email readers to custom marketing segments” between Admiral and Letterhead?
Yes — describe it in the box above and Knit's Integrations Agent researches Admiral and Letterhead'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 Letterhead with Admiral?
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 Letterhead and Admiral?
When a subscriber opts out in either platform, the integration automatically updates their status in the other tool to maintain total compliance.