Fetch each lead's website and extract 50+ fields: business email, social profiles, CMS, CRM, email-marketing platform, chat widget, booking system, ad pixels, analytics, schema, SSL, page load, domain age, mail host, and AI-crawler policy. Costs one lead per five businesses, on any business you hold, and does not enroll it. Every address it finds is verified at no extra charge. To keep businesses current, use enroll_leads instead. Runs in the background, returns a job id, poll it with get_job_status. Every field follows the three-state contract: a value, a confirmed absence, or unknown.