One experiment that scaled cleanly for us: weekly ATS diff per target domain. Trigger only when newJobs ≥ 3 in the dept you sell to, and use the summary line as the opener. Fresh roles from Greenhouse/Lever/Ashby, not LinkedIn reposts.
Public Clay template you can clone (own Apify token): https://app.clay.com/shared-workbook/share_0tnin7lGCovUaEh8Nvd
Try for free on the Actor (signals + n26.com): https://apify.com/northloop-hq/jobs-api-ats-feed