Source and close.com.

Connect close.com to Source and see exactly which cold email campaigns, sequences, and sending domains turn into meetings, opportunities, and closed revenue.

Connect close.com

View documentation

WHAT CAN YOU DO

Campaign Attribution

Attribute replies and booked meetings back to the exact campaign and sequence that drove them.

Unit Economics

See cost per meeting and cost per opportunity for every Smartlead campaign, side by side.

Revenue Sync

Push closed-won revenue back so you can rank sequences by pipeline created, not by open rate.

How it works

Connect close.com.

Step 1: Connect close.com to Source with your API key. No code required.

Match Deals

Step 2: Source matches close.com activity to known visitors and CRM deals automatically.

See Results

Step 3: See campaign-level attribution in your Source dashboard within minutes.

Related integrations

Google Ads

Google Ads shows you clicks and conversions. Source shows you customers. With Google Ads Attribution, you can finally connect your ad spend to real pipeline and revenue outcomes — across every channel, campaign, and keyword.

Ads

Learn More

HighLevel

With Source + HighLevel Attribution, you can finally see how prospects discover you, which channels influence conversions, and what is driving real revenue across your funnels and pipelines, all inside the CRM your team already relies on.

CRM

Learn More

Hubspot

Supercharge your HubSpot CRM with Source’s advanced attribution engine. See the full journey from first touch to closed deal, all in one place. No code. No spreadsheets. Just truth.

CRM

Learn More

Meta Ads

Likes don’t pay the bills — customers do. With Meta Ads Attribution from Source, you can finally see which campaigns, creatives, and audiences are generating actual sales, not just clicks.

Ads

Learn More

LinkedIn Ads

LinkedIn is where B2B intent lives — Source is how you measure it.  With LinkedIn Ads Attribution, you’ll finally see which campaigns, content, and audiences drive high-value deals, not just form fills.

Ads

Learn More

cal.com

Cal.com powers how modern teams schedule — Source shows you why those meetings happen. With Cal.com Attribution, every booking syncs with Source’s attribution engine so you can trace the entire journey from first click to closed deal.

Scheduling

Learn More

close.com

Ready to connect to close.com?

Set it up in minutes and start tying every send to real pipeline.

Get started for free

Talk to an expert