Clay is a B2B sales prospecting and data enrichment platform for outbound SDRs, growth marketers, and revenue ops teams that combines 150-plus data providers, AI-powered research, and Excel-style workflows into automated multi-channel prospecting and personalized outreach campaigns. Marketed as a B2B sales prospecting and enrichment platform, Clay combines a Clay table interface for prospecting workflows, 150-plus enrichment integrations including Apollo, ZoomInfo, LinkedIn Sales Navigator, Crunchbase, and Hunter, AI-powered company and person research, automated email writing with Claygent, GPT-4-class analysis on prospect data, integrations with HubSpot, Salesforce, Outreach, Salesloft, Lemlist, and major CRMs, plus REST API and webhooks. Clay is a strong fit for outbound SDRs running personalized cold email, growth marketers building TAM-segmented lists, and revenue ops teams consolidating enrichment vendor stacks.