Clay Review 2026 Review 2026

Clay is a GTM data and AI outbound platform that unifies 100+ data providers, gives sales and marketing teams a spreadsheet-like UI for enriching and researching prospects, and layers AI agents on top to write hyper-personalized outbound at scale. Clay has become the standard for modern outbound teams, replacing brittle stacks of ZoomInfo, Apollo, Lusha, LinkedIn scrapers, and manual research.

Modern outbound sales has a data problem and a personalization problem. Data: any one enrichment provider covers maybe 60% of your ICP, and the pieces (job title, tech stack, funding, hiring signals, headcount, technographic) are spread across a dozen vendors. Personalization: LLMs can write email but only if you feed them structured research — which nobody has time to gather one prospect at a time. Clay solves both.

At its base, Clay is a spreadsheet-style workspace where each row is a prospect or company. Each column can be a data source — ZoomInfo, Apollo, LinkedIn, BuiltWith, HG Insights, Ocean.io, Semrush, Predictleads, Clearbit, Datagma, Explorium, and dozens more — that Clay queries in parallel and merges into a single row. You configure waterfalls that try the cheapest provider first and fall back to premium sources only when needed, saving 40–70% on enrichment cost. Job change alerts, hiring signals, funding events, tech stack changes, and buying-intent signals can be dropped in as columns.