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Apollo vs Clay

Contact database vs enrichment platform.

Apollo is a contact database with built-in outreach. Clay is an orchestration layer that calls multiple data providers (including Apollo) plus custom enrichment.

At a glance

ApolloClay
Primary functionContact databaseEnrichment orchestration
Data waterfallsNoYes (multi-provider)
AI enrichmentLimitedStrong (custom prompts)
OutreachBuilt-inVia push to sequencer

When to pick Apollo

Want simple contact source + outreach in one tool.

When to pick Clay

Want max coverage (waterfall across providers) and custom AI enrichment.

My verdict

Most teams need both: Apollo as primary source, Clay to enrich lists with signals and AI-generated first lines.

Further reading