Strategy
Why Every AI Agent Needs an Identity API
Identity data is becoming a primitive in the AI stack - like vector databases for RAG. Here's why AI agents need real-time identity resolution to work.
Articles by Elene Marjanidze
Guides
Waterfall Enrichment + Visitor Identity: Full Signal Stack
Single-provider enrichment covers 50-70%. Waterfall hits 85-95%. Add visitor ID as Layer 0 to go from anonymous traffic to fully enriched leads.
Lead Generation
The Cost of Anonymous Website Traffic (2026)
97% of B2B website visitors leave anonymous. Calculate what that actually costs and how visitor identification changes the math.
Guides
Intent Data vs Visitor Identification: The Difference
Intent data shows who's researching topics. Visitor identification shows who's on your site. Learn the difference, why you need both, and how to combine them.
Guides
Deterministic vs Probabilistic Matching Explained
Deterministic matching uses verified data. Probabilistic uses statistical guessing. Learn the difference, accuracy tradeoffs, and which tools use which.
Guides
What Is Identity Resolution? A Technical Primer
Identity resolution matches anonymous signals to known people. Learn how it works, deterministic vs probabilistic methods, and why it matters for B2B sales.
Guides
Person-Level Intent Data: How It Works (2026)
Most intent data is company-level. Person-level intent tells you WHO is researching topics, not just which company. Here's how it works and who offers it.
Tools
Best Contact Enrichment APIs in 2026 (Compared)
Compare 12 contact enrichment APIs for B2B teams: pricing, accuracy, coverage, and API quality. Plus visitor identification as enrichment.
Guides
How to Choose a Data Provider for Your AI SDR
AI SDRs need real-time, accurate data. Compare visitor ID, enrichment, intent, and contact database providers to find the right data stack for your AI agent.
Guides
Add Visitor ID to Your Clay Waterfall (2026 Guide)
Clay enriches contacts but can't identify anonymous visitors. Add Leadpipe to your Clay waterfall to turn website traffic into enriched, qualified leads.
Strategy
The Data Layer AI Sales Agents Are Missing
AI SDRs from 11x, Artisan, and others run on data. But 90% of website visitor data goes unused. Here's the identity layer that changes everything.
Reviews
Visitor ID Accuracy Tested: Independent Results (2026)
Independent Gartner auditor tested Leadpipe, RB2B, Warmly, Clearbit, 6sense, and Leadfeeder accuracy. See the results and what they mean for your data.