Integration

Connect lemlist to arcsecond.io

When something happens in lemlist, your agent does the next thing in arcsecond.io. Describe it in plain language and the automation is built, tested on every branch and kept running.

lemlist1 triggerlemlist8 actionsarcsecond.io4 actions

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Build it

What do you want lemlist and arcsecond.io to do together?

Describe it and your agent reads both APIs, builds the automation, tests every branch and ships it. The list below is what exists today, not the limit.

Ask the assistant

You'll sign in before anything runs. What you typed comes with you.

Or work from Claude Code

Install the APIANT plugin for Claude Code and build, edit, test and read run history from your terminal. Every plan gets this, including free, and it spends no assistant credits.

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Everything your agent can do with lemlist and arcsecond.io

Triggers and actions 1 trigger · 12 actions

Trigger
New Activity
Triggers when an activity has ocurred. It can be an email has been sent, replied to, bounced, or unsubscribed from or v3 new activity like a LinkedIn profile have been visited or a phone call just ended.
Action
Add Recipient to Unsubscribe List
Add a recipient to the unsubscribe list.
Action
Mark a Lead From All Campaigns as Interested
Mark a Lead From All Campaigns as Interested.
Action
Mark a Lead From One Campaign as Interested
Mark a Lead From One Campaign as Interested.
Action
Remove Lead From Campaign
Remove a Lead from a campaign.
Action
Remove Lead From Unsubscribe
Remove a Lead from unsubscribe.
Action
Resume Lead From All or Specific Campaigns
Resume Lead From All or Specific Campaigns.
Action
Search Lead
Search a lead.
Action
Update Lead From Campaign
Update Lead From Campaign.
Action
Get exoplanet
Look up a single exoplanet by name via GET https://api.arcsecond.io/exoplanets/{name}/ — returns coordinates, parent star, discovery metadata. No auth required.
Action
Get object
Look up an astronomical object by name via GET https://api.arcsecond.io/objects/{name}/ — returns equatorial/ecliptic/galactic coordinates, constellation, source catalog. No auth required.
Action
List exoplanets
Paginated list of known exoplanets via GET https://api.arcsecond.io/exoplanets/ — returns name, host star, discovery method/year, orbital params. No auth required. Supports ?page=.
Action
List instruments
List astronomical instruments via GET https://api.arcsecond.io/instruments/ — returns uuid, name, acronym, telescope link, field-of-view specs. No auth required (public read confirmed 200).

Each app on its own

The other way round: arcsecond.io to lemlist