4-Tool Stack

The Cold Outreach Stack

Find prospects, verify emails, and launch personalized cold campaigns on autopilot.

Workflow

Step 1

Search Apollo's 275M+ contact database by title, industry, and company size to build a targeted lead list.

Step 2

Run each prospect through Hunter to find verified professional emails and check deliverability.

Step 3

Push verified leads into Instantly to run multi-step email sequences with automatic inbox warmup.

Step 4

Include Cal.com scheduling links in your emails so warm replies convert directly into booked calls.

Tools in this Stack

The ultimate sales intelligence and engagement platform for AI-native teams.

The standard for finding and verifying professional email addresses.

The gold standard for cold email infrastructure and automation.

Open-source scheduling infrastructure with a full API.

Missing a tool in this stack?

Know a tool that would fit this workflow? Submit it to the directory.