Clay vs MillionVerifier: Data Enrichment Tool Comparison

Clay vs MillionVerifier: Data Enrichment Tool Comparison

Clay and MillionVerifier compete head-to-head in the B2B lead data and contact enrichment space. This guide compares their pricing tiers, feature sets, and integration ecosystems to help you make a confident decision.

The Quick Answer

By each vendor's own wording, Clay lists 150+ data provider integrations and ai-powered enrichment (claygent), while MillionVerifier lists email checker (single) and email list verification (csv). A capability both offer can appear under different names, so read both feature lists below.

MillionVerifier offers a lower entry point at $0/mo compared to Clay at $185/mo.

If your priority is finding accurate contact data for target accounts, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.

Understanding the Core Difference

Clay is Data enrichment and workflow automation platform with 150+ integrations and AI-powered enrichment (Claygent).

MillionVerifier is Bulk email verification service that cleans uploaded lists, checks single addresses in real time and verifies through an API. Connects to email marketing platforms to import lists and remove bad addresses automatically.

The two platforms take different approaches to solving the same core challenge.

Pricing Comparison

$185/moClay entry plan

Launch

FreeMillionVerifier entry plan

Free account

Clay Pricing (as of September 2026)

Source: Clay Pricing

MillionVerifier Pricing (as of September 2026)

Source: MillionVerifier Pricing

Pricing Analysis

MillionVerifier offers the lower entry point ($0/mo vs $185/mo). Teams watching their budget will appreciate the savings, especially when starting out.

Clay offers 3 pricing tiers compared to MillionVerifier's 2, giving you more granularity as you scale.

MillionVerifier includes a free tier, which is helpful for evaluating the platform without upfront cost.

Features Breakdown

Clay lists

• 150+ data provider integrations
• AI-powered enrichment (Claygent)
• Unlimited users on all plans
• Credit rollover
• Workflow automation
• Data waterfall enrichment
• and 3 more listed below

MillionVerifier lists

• Email Checker (single)
• Email List Verification (CSV)
• Bulk Verifier
• Email Verifier API
• ESP integrations import
• Risky email refund
• and 2 more listed below

Clay Key Features

• 150+ data provider integrations
• AI-powered enrichment (Claygent)
• Unlimited users on all plans
• Credit rollover
• Workflow automation
• Data waterfall enrichment
• Custom API key support
• HTTP API integration
• Webhooks

MillionVerifier Key Features

• Email Checker (single)
• Email List Verification (CSV)
• Bulk Verifier
• Email Verifier API
• ESP integrations import
• Risky email refund
• EverClean automatic email verification
• Credits never expire

The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.

Listed only by Clay

• 150+ data provider integrations
• AI-powered enrichment (Claygent)
• Unlimited users on all plans
• Credit rollover
• Workflow automation
• Data waterfall enrichment
• Custom API key support
• HTTP API integration
• Webhooks

Listed only by MillionVerifier

• Email Checker (single)
• Email List Verification (CSV)
• Bulk Verifier
• Email Verifier API
• ESP integrations import
• Risky email refund
• EverClean automatic email verification
• Credits never expire

Integration Ecosystem

Clay Integrations

Clay connects with: Salesforce, HubSpot, Pipedrive, Close, Apollo.io, Clearbit, ZoomInfo, Lemlist, Instantly, Smartlead, OpenAI, Google Sheets, Airtable, Notion.

MillionVerifier Integrations

MillionVerifier connects with: Mailchimp, Hubspot, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, Mailjet.

Shared Integrations

Both tools integrate with: HubSpot.

Integrations listed only by Clay: Salesforce, Pipedrive, Close, Apollo.io, Clearbit, ZoomInfo, Lemlist, Instantly, Smartlead, OpenAI, Google Sheets, Airtable, Notion.

Integrations listed only by MillionVerifier: Mailchimp, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, Mailjet.

Use Case Recommendations

Best Fit for Clay

• Mid-market to enterprise teams with established B2B lead data and contact enrichment budgets
• Teams that need a wide feature set (9 capabilities listed)
• Organizations with complex tech stacks needing broad integration support (14 integrations)
• Enterprise buyers who prefer custom pricing and dedicated support

Best Fit for MillionVerifier

• Budget-conscious teams looking for an affordable data enrichment tool
• Teams that want to start free and scale up as needs grow
• Revenue operations teams building targeted prospect lists
• Marketing teams enriching CRM data for segmentation

Feature Comparison Summary

Getting Started Checklist

1. Define your B2B lead data and contact enrichment requirements and monthly budget
2. Estimate your expected data credits or contact lookups to find the right tier
3. List the integrations your team currently relies on
4. Sign up for free trials or demos of both platforms
5. Run a small test with each tool before making a commitment
6. Evaluate the onboarding experience and support quality

Final Thoughts

Clay and MillionVerifier both serve the B2B lead data and contact enrichment market. MillionVerifier offers a more accessible entry point, while Clay starts at $185/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.

Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.

Pricing and features verified as of September 2026. Visit Clay and MillionVerifier for current information.