In this video, I dive into the second step of building an AI-powered sales cadence—validating your lead data before outreach. I show how to create a real-time validation layer that checks domains, email addresses, and phone numbers using APIs like WHOISXML, Hunter, NeverBounce, and Twilio Lookup. The goal is to make sure every lead in your system is clean, active, and safe to contact, so you protect your sender reputation, avoid bounces, and keep your CRM accurate. This validation step acts as a gatekeeper—ensuring only verified leads move forward to personalization and outreach—making the entire sales system more reliable and effective.