Reach the people your ads keep missing.

Build first-party audiences, review them, and sync them to Google Ads, Meta and LinkedIn.

Build your audience

Start with data
you can use.

Keep the baseline from your own data, and compare it with a copy that adds only the identifiers you approve.

Read the ads audiences docs
Closed-lost contacts · baseline9,080 people
  • Work email8,712
  • Phone1,890
  • Personal email0
leadmagic logocontactout logo

Add approved identifiers

Your agent proposes each source and its cost. Nothing paid runs until you approve it.

Approved
Closed-lost contacts · enriched9,080 people
  • Work email8,712
  • Phone3,300 +1,410
  • Personal email+6,035

Review
before upload.

Your agent lays out the destinations, filters and identifiers, and uploads nothing until you approve.

Read the step-by-step guide
Your agentAds audience

/deepline-gtm Build an audience from our closed-lost contacts for Google Ads, Meta and LinkedIn. Leave out current customers.

Audience review · closed-lost contacts9,043 people to upload
  • google_ads_audiences logoGoogle AdsConnect to Deepline Google Ads account - ••••••••
  • meta_audiences logoMetaConnect to Deepline Meta account - ••••••••
  • linkedin_ads_audiences logoLinkedInConnect to Deepline LinkedIn account - ••••••••
  • Source10,284 closed-lost contacts
  • Filter1,204 current customers filtered out
  • Unusable rows37 set aside, no email or phone
  • IdentifiersWork email, personal email, phone · normalized and hashed by Deepline
  • ModeReplace the list
ApprovedUploading 9,043 hashed rows to Google Ads, Meta and LinkedIn…

Match more
of your audience.

Send the same reviewed audience to Google Ads, Meta and LinkedIn. The identifiers you approved lift what each one matches.

Browse the integrations
Closed-lost contacts · matched9,043 rows sent to each
google_ads_audiences logo

Google Ads

  • Baseline
  • With Deepline
meta_audiences logo

Meta

  • Baseline
  • With Deepline
linkedin_ads_audiences logo

LinkedIn

  • Baseline
  • With Deepline

Match rates vary by list and platform.

Try it with your agent.

Paste this into Claude Code, Codex or any agent with Deepline set up.

/deepline-gtm Prepare an ad audience from my approved contact list. Show the destination account, audience, and match fields before syncing.

Set up Deepline.

Paste this into your agent once. Then come back for the prompt.

Paste into your agent

+ more
Install and set up the official Deepline CLI globally from npm (package: deepline) by following https://code.deepline.com/INSTALL.md. After setup, continue my existing task if I gave one. Otherwise, present the guide's four starter choices verbatim, with each of the first three requests starting with /deepline-gtm.