Clay
Clay Review

Clay

Clay enriches and automates lead data from 100+ sources on a spreadsheet-like canvas. Best for teams building serious, personalized outbound at scale.

Most Powerful Lead-Data Tool
4.4/ 5

The Spinoza Score

Reviewed by Kamran Arshad. See how we evaluate · Updated 2026-07-13.

Lead enrichmentOutbound at scaleData waterfall
Category
sales lead-generation
Starts at
Free
Platforms
Launched
Jan 2017
Last reviewed
2026-07-13
Verdict

The most powerful lead-data tool in the game. A steep climb, then a superpower.

Clay pulls contact and company data from over a hundred providers, layers AI research on top, and lets you build enrichment and outreach workflows in a familiar table. The result is outbound that's personalized at a depth manual work can't match. It's genuinely hard to learn and priced for teams that mean it, but for growth operators who master it, nothing else comes close on data firepower.

The product, in motion

What Clay actually looks like

Scroll inside the panel to see the full homepage. Live screenshot — updates as the product evolves.

clay.com
Clay product screenshot
Who it's for

Best for

  • Serious outbound at scale
  • Growth and RevOps teams
  • Deep lead personalization

Not for

  • Beginners wanting simple lists
  • Tiny budgets
Core features

What it actually does

100+ data sources

Waterfall enrichment across dozens of providers for the best hit rate.

AI research agent

Send an AI to research each lead and fill columns you define.

Spreadsheet canvas

Build enrichment and outreach logic in a familiar table view.

Personalized outreach

Generate genuinely tailored messages from enriched data.

Integrations

Push clean data to your CRM and sending tools.

Workflows & automation

Trigger enrichment and outreach on a schedule or event.

Ratings
The Spinoza Score

Composite of hands-on testing and editorial review — five dimensions, each rated 0–5 against the same published rubric for every tool in the category. How we score →

Overall
4.4/5
Data Quality
4.6/5
Automation
4.6/5
Ease of Use
3.9/5
Integrations
4.5/5
Value
4.2/5
Pricing

What it costs, by tier

Free tier with monthly credits; paid from around $149/mo. Confirm current pricing.

Tier
Free
$0/ mo

Monthly credits to explore it.

    Most popular
    Tier
    Starter
    $149/ mo

    More credits and providers.

      Most popular
      FAQs

      Frequently Asked Questions

      Clay or Apollo?

      Apollo is an all-in-one prospecting database that's easier to start with; Clay is a far more powerful enrichment and automation engine you build on top.

      Is Clay free?

      Yes, there's a free tier with monthly credits. Paid starts around $149/mo.

      What is Clay best for?

      Teams building personalized outbound at scale who want the deepest possible lead data and automation.

      Is Clay hard to learn?

      Yes. The power comes with a real learning curve, but the payoff for growth teams is large.

      Ready to try Clay?

      Build personalized outbound on serious lead data.

      Outbound link may be tracked. See affiliate disclosure.