Clearout Review: Is It Worth It? (2026)

Introduction

A comprehensive side-by-side comparison of BillionVerify and Clearout features, pricing, accuracy, and performance to help you choose the right email verification service for your business.

Clearout Review: Key Pain Points

Users switching from Clearout to BillionVerify typically cite:

1. High pricing — Clearout charges $0.0056/email, making it 82% more expensive than BillionVerify at the 20K entry tier ($112 vs $20)
2. Credits expire in 12 months — unused credits are forfeited, creating pressure to over-purchase or lose money
3. Business-hours-only support — no 24/7 coverage, which blocks teams working across time zones
4. Smaller integration ecosystem — 20+ integrations versus BillionVerify's 25+, with fewer automation platform options

What Clearout Does Well

Clearout is a well-established email verification service with a strong track record. Its accuracy rate of 99.5% is solid for most use cases, and its SMTP verification with retry logic handles greylisting reliably. Clearout also offers a built-in email finder and Chrome extension for prospecting workflows — features not available in BillionVerify, which focuses exclusively on verification accuracy and throughput. Its documentation is thorough, and the product has an active user community built over several years. For teams that need email finding and verification in a single tool, Clearout's combined offering has genuine appeal. Its 45K emails/hour processing speed is competitive, and the 100-credit one-time free trial gives new users a meaningful sample of results before committing.

Core Verification Features

Advanced Detection Capabilities

Pricing Comparison

Key Takeaway: BillionVerify is cheaper than Clearout at every volume tier — 82% cheaper at 20K emails ($20 vs $112) and 73% cheaper at 500K. Combined with 100 free verifications daily, superior accuracy (99.9%), and credits that never expire, BillionVerify delivers better value at all scales. View our complete pricing details for more information.

API Performance & Infrastructure

Our email validation API delivers superior performance across all metrics:

Integration Ecosystem

Feature Comparison

Pros and Cons

Migration Guide

Migrating from Clearout to BillionVerify

Switching from Clearout to BillionVerify is simple and can be completed in under 30 minutes:

API Migration Example:

Before (Clearout):

// Clearout API call
fetch('https://api.clearout.io/v2/email_verify/instant', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer your_clearout_token'
  },
  body: JSON.stringify({
    email: 'test@example.com'
  })
})

After (BillionVerify):

// BillionVerify API call
fetch('https://api.billionverify.com/v1/verify', {
  method: 'POST',
  headers: {
    'BV-API-KEY': 'your_billionverify_key'
  },
  body: JSON.stringify({
    email: 'test@example.com'
  })
})

Migration Support

Our team is here to help with your migration:

• ✅ Free migration consultation
• ✅ API integration assistance
• ✅ Bulk verification of existing lists
• ✅ Custom integration development

Customer Reviews

What Customers Say

David Martinez, Growth Manager at SaaS Ventures ⭐⭐⭐⭐⭐ (5/5) "We switched from Clearout to BillionVerify and saw immediate improvements. Our bounce rate dropped from 1.8% to 0.4%. The 24/7 support has been invaluable for our international campaigns, and the faster API response times make a real difference when processing large lists."

Jennifer Lee, Email Marketing Director at DigitalGrowth Co. ⭐⭐⭐⭐⭐ (5/5) "The API response time is noticeably faster than Clearout. We process 300K emails daily across multiple campaigns, and BillionVerify's speed and reliability have been exceptional. The reliability and non-expiring credits allowed us to reinvest in more marketing initiatives."

Robert Thompson, CTO at TechScale Solutions ⭐⭐⭐⭐⭐ (5/5) "BillionVerify's advanced disposable email detection caught 35% more temporary emails than Clearout. This has significantly improved our lead quality and reduced fraud. The non-expiring credits are a huge plus for our fluctuating verification needs."

Trustpilot Ratings

Which Service Is Right for You?

Choose BillionVerify If:

Choose Clearout If:

Frequently Asked Questions

Is Clearout worth it?

Clearout is a capable email verifier with solid accuracy and a built-in email finder. However, at $0.0056/email it is 82% more expensive than BillionVerify at the entry tier ($112 vs $20 for 20K emails). For teams that need email prospecting in the same tool, Clearout's combined offering may justify the premium. For pure verification workloads, BillionVerify delivers higher accuracy and lower cost.

What is the difference between Clearout and BillionVerify?

The key differences are price and features. BillionVerify is 71-82% cheaper across all tiers, offers 24/7 support versus Clearout's business hours, and provides 100 free verifications daily on an ongoing basis. Clearout adds email finding and a Chrome extension, making it more of an all-in-one prospecting suite. BillionVerify focuses exclusively on verification to maximize accuracy (99.9% vs 99.5%) and throughput.

How do I migrate from Clearout to BillionVerify?

Migration takes under 30 minutes. Sign up at billionverify.com, generate an API key, and update your API endpoint from https://api.clearout.io/v2/email_verify/instant to https://api.billionverify.com/v1/verify. Replace the Authorization: Bearer header with BV-API-KEY. Export any email lists from Clearout and re-upload to BillionVerify. Our support team is available 24/7 to assist.

Which is cheaper, Clearout or BillionVerify?

BillionVerify is significantly cheaper at every volume. At 20K emails: $20 (BillionVerify) vs $112 (Clearout) — 82% cheaper. At 100K: $80 vs $280 — 71% cheaper. At 500K: $200 vs $750 — 73% cheaper. BillionVerify credits also never expire, while Clearout credits expire after 12 months.

Does BillionVerify offer everything Clearout has?

BillionVerify covers all core email verification features at higher accuracy and lower cost. The two features unique to Clearout are its built-in email finder/prospecting tool and Chrome extension. BillionVerify integrates with popular email finding tools via its Zapier and n8n connectors, but does not include a native prospecting module. If you rely heavily on Clearout's email finder, factor that into your decision.

Can I use both services simultaneously during migration?

Yes, absolutely. Many customers run both services in parallel for a testing period to compare results before fully switching to BillionVerify. This helps ensure a smooth transition without disrupting your existing workflows.

How does BillionVerify achieve higher accuracy than Clearout?

BillionVerify uses advanced AI algorithms combined with real-time SMTP verification and a proprietary spam trap database. Our multi-layer verification process includes machine learning pattern recognition that adapts to new email patterns faster than traditional methods. We also maintain partnerships with major ISPs for real-time spam trap updates.

Will my existing Clearout integrations work with BillionVerify?

Most platforms that integrate with Clearout also support BillionVerify. We offer native integrations with 25+ platforms including Mailchimp, HubSpot, SendGrid, and more. Our support team can help with any custom integrations or migration questions.

What happens to my Clearout credits when I switch?

Clearout credits remain in your Clearout account. We recommend using them up before fully migrating. BillionVerify offers competitive pricing that will save you money on future purchases, and our credits never expire.

How long does API migration typically take?

Most customers complete API migration in under 30 minutes. The API structure is straightforward, and we provide detailed migration guides and code examples for all major programming languages. Our support team is available 24/7 to assist.

Conclusion

Verdict: BillionVerify provides superior accuracy, faster processing speeds, and significantly lower prices than Clearout at every volume tier — 82% cheaper at 20K emails ($20 vs $112) and 73% cheaper at 500K. With 24/7 support, non-expiring credits, and advanced AI-powered detection, BillionVerify is the ideal choice for businesses serious about email deliverability and verification accuracy.

Ready to make the switch? Start your free trial today with 100 free verifications daily - no credit card required.