Clay vs MillionVerifier: Data Enrichment Tool Comparison
Compare Clay and MillionVerifier side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Clay and MillionVerifier serve different needs in B2B data enrichment. Clay is a data enrichment and workflow automation platform with 150+ integrations and AI-powered enrichment starting at $185/mo, while MillionVerifier is a bulk email verification service with a free entry tier. The right pick depends on budget and required capabilities.
Key takeaways
- Clay's entry plan, Launch, costs $185/mo and starts from 15,000 actions per month.
- MillionVerifier offers a free account with 100 free credits, making its entry point $0/mo.
- Clay lists 150+ data provider integrations and AI-powered enrichment called Claygent.
- MillionVerifier lists features including Email Checker for single addresses, CSV list verification, and an Email Verifier API.
- HubSpot is the only integration both Clay and MillionVerifier list in common.
Reviewed and updated September 4, 2026
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
Launch
Free account
Clay Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Launch | $185/mo | From 15,000 actions/month |
| Growth | $495/mo | From 40,000 actions/month |
| Enterprise | Contact Sales | Custom |
Source: Clay Pricing
MillionVerifier Pricing (as of September 2026)
| Plan | Price | Emails |
|---|---|---|
| Free account | Free | 100 free credits |
| Pay as you go | Usage-based | 50,000 emails |
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
- 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
- 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
| Feature | Clay | MillionVerifier |
|---|---|---|
| Starting Price | $185/mo | Free |
| Top Tier Price | Contact Sales | Usage-based |
| Total Features Listed | 9 | 8 |
| Integrations | 14 | 10 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected data credits or contact lookups to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- 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.
Frequently asked questions.
Frequently asked questions- Which is cheaper, Clay or MillionVerifier?
- MillionVerifier is cheaper at the entry level, offering a free account with 100 free credits, compared to Clay's Launch plan which starts at $185/mo. MillionVerifier also offers a pay-as-you-go option for 50,000 emails, while Clay's next tier, Growth, costs $495/mo.
- What is the main difference between Clay and MillionVerifier?
- Clay is a data enrichment and workflow automation platform with 150+ integrations and AI-powered enrichment called Claygent. MillionVerifier is a bulk email verification service that cleans uploaded lists, checks single addresses in real time, and verifies emails through an API.
- Does Clay or MillionVerifier integrate with HubSpot?
- Both Clay and MillionVerifier integrate with HubSpot, making it the only shared integration listed by both vendors. Clay additionally connects with Salesforce, Pipedrive, Apollo.io, and Clearbit, while MillionVerifier connects with Mailchimp, Zoho CRM, and AWeber among others.
- Who should choose MillionVerifier over Clay?
- Budget-conscious teams looking for an affordable data enrichment tool are best suited to MillionVerifier, since it lets teams start free and scale up as needs grow. It is also recommended for revenue operations teams building targeted prospect lists and marketing teams enriching CRM data for segmentation.
- How many pricing tiers does each tool offer?
- Clay offers 3 pricing tiers, Launch, Growth, and Enterprise, giving more granularity as teams scale. MillionVerifier offers 2 tiers, a free account and a usage-based pay-as-you-go plan, and also includes a free tier for evaluating the platform without upfront cost.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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