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A segment is a saved contact filter, for example No activity for 90 days or Tag customer, has a phone. Your whole team sees it (saved views in the table stay in your own browser). Who is in a segment is worked out every time you open or use it, so it changes as your contacts do: nobody has to add or remove people by hand.

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Save a segment

1

Filter your contacts

Open Contacts and use the search, Filters (job title, location, company, source, email, phone, in a running campaign, date added, No activity for, Engagement: Hot now or Any engagement), a tag or a list.
2

Click Save as segment

The button is in the table’s toolbar once a filter is on. Give it a name (each segment needs its own) and it is saved for everyone in the workspace. A workspace can have up to 200 segments.
No activity for finds people with nothing in their history (no message sent or received, no change) for 30 days, 90 days, 6 months or a year: the same Last activity the table shows. It is the filter to use for reactivation campaigns. To open a segment, click + Segment in the table’s toolbar and pick it: its filters are put back on and its name shows as a chip. If you change the filters, Update “name” saves the change to that segment and Save as segment saves a new one.

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Manage segments

Contacts > Segments, with three segments, one kept in sync with a campaign Contacts > Segments lists them with how many contacts are in each right now, their filters in words, and the campaigns that keep adding their people. From there you can Open one, start a Broadcast to it, Rename it or delete it (its contacts stay). A segment that a campaign keeps in sync can’t be deleted until you remove that campaign’s Matches a segment trigger.

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Use a segment as a campaign’s audience

1

Add contacts

In the campaign, click Add contacts and choose From a segment, then the segment.
2

Keep it in sync (optional)

Tick Also add people who match later. Kerux checks every 10 minutes and adds each new person who matches, once. This adds the campaign’s Matches a segment trigger, shown in its Triggers tab, where you can remove it.
Everyone enters a campaign once: someone who leaves the segment and matches it again later isn’t added a second time, even with Allow re-entry on in the campaign’s Settings. The campaign’s own rules still apply: limits, working hours, the do-not-contact list and Sending rules and consent. You can also add the Matches a segment trigger yourself, see Start a campaign from what happens in Kerux.

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Send one message to a segment

Use a broadcast: one message on LinkedIn, email or WhatsApp, now or at a time.

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API

The public API has the same segments: GET and POST /v1/segments, GET, PATCH and DELETE /v1/segments/{id}, GET /v1/segments/{id}/leads (the contacts in it now) and POST /v1/segments/count (how many contacts some filters match). GET /v1/leads also takes has_phone, added_within_days and quiet_days.