Introduction
A comprehensive side-by-side comparison of BillionVerify and EmailListVerify features, pricing, accuracy, and performance to help you choose the right email verification service for your bulk list cleaning needs.
Core Verification Features
| Feature | BillionVerify | EmailListVerify |
|---|---|---|
| Syntax Validation | RFC 5322 compliant with support for international domains (IDN) and special characters | Standard RFC validation |
| Domain Validation | Real-time DNS lookup with caching for optimal performance | Basic DNS verification |
| MX Record Checking | Deep MX record analysis including priority checking and backup MX identification | Standard MX record verification |
| SMTP Verification | Multi-threaded SMTP connection with intelligent retry logic and greylisting detection | Basic SMTP verification |
| Accuracy Rate | 99.9% | 99% |
| Processing Speed | 50K emails/hour | 30K emails/hour |
| API Response Time | <300ms average | <600ms average |
Advanced Detection Capabilities
| Detection Type | BillionVerify | EmailListVerify |
|---|---|---|
| Disposable Email Detection | AI-powered detection with 50,000+ domains database, real-time ML updates, catches 40% more than traditional methods | Standard disposable email database with 20,000+ domains, manual updates |
| Catch-All Domain Detection | Real-time testing with multiple addresses, pattern recognition, risk scoring, 95% accuracy | Basic catch-all detection with limited pattern analysis |
| Role-Based Email Detection | Detailed categorization: Generic (info@, contact@), Support (support@, help@), Admin (admin@, webmaster@), Sales (sales@, business@) | Standard role-based detection with limited categorization |
| Spam Trap Detection | 1M+ identified spam traps, real-time updates from global infrastructure, ML prediction, ISP partnerships | Standard spam trap database with periodic updates |
Pricing Comparison
| Plan | Volume | BillionVerify | EmailListVerify | Savings |
|---|---|---|---|---|
| Starter | 10,000 emails | $0.0006/email ($6 total) | $0.0009/email ($9 total) | $3 (33%) |
| Growth | 100,000 emails | $0.0005/email ($50 total) | $0.0008/email ($80 total) | $30 (37.5%) |
| Business | 500,000 emails | $0.0004/email ($200 total) | $0.0007/email ($350 total) | $150 (43%) |
| Enterprise | Custom | Custom pricing | Custom pricing | Contact sales |
Key Takeaway: BillionVerify saves you 33-43% on average compared to EmailListVerify. View our complete pricing details for more information.
API Performance & Infrastructure
Our email validation API delivers superior performance across all metrics:
| Metric | BillionVerify | EmailListVerify |
|---|---|---|
| Average Response Time | <300ms | <600ms |
| Uptime SLA | 99.99% | 99.5% |
| Infrastructure | Global CDN (15+ regions) | Limited regional coverage |
| Rate Limit | 100 requests/second | 30 requests/second |
| Webhook Support | Full async processing with retry logic | Basic webhook support |
| API Documentation | Comprehensive with interactive examples | Standard documentation |
| Code Libraries | JavaScript, Python, PHP, Ruby, Go, Java | Python, PHP |
Integration Ecosystem
| Category | BillionVerify (25+ integrations) | EmailListVerify (10+ integrations) |
|---|---|---|
| Email Marketing | Mailchimp, SendGrid, HubSpot, ActiveCampaign, Klaviyo, ConvertKit, GetResponse | Mailchimp, SendGrid |
| CRM | Salesforce, Pipedrive, Zoho CRM | Limited CRM integrations |
| Automation | Zapier, Make (Integromat), n8n | Zapier only |
| E-commerce | Shopify, WooCommerce, Magento | Not available |
| Other | WordPress plugins, custom integrations | Basic API access |
Feature Comparison
| Feature | BillionVerify | EmailListVerify |
|---|---|---|
| Customer Support | 24/7 live support | Business hours only |
| Credit Expiration | Never expires | 6 months |
| Free Trial | 10 credits daily (ongoing) | 100 credits (one-time) |
| Duplicate Removal | Automatic | Manual |
| List Monitoring | Real-time | Not available |
| Bulk Upload Formats | CSV, Excel, TXT, JSON | CSV, TXT |
| Custom Integrations | Available | Limited |
| SLA Guarantee | ✅ Yes | ❌ No |
Pros and Cons
| Feature/Aspect | BillionVerify | EmailListVerify |
|---|---|---|
| Accuracy Rate | ✅ 99.9% (higher) | ❌ 99% (lower) |
| Processing Speed | ✅ 66% faster (50K vs 30K/hour) | ❌ Slower processing |
| Pricing | ✅ 33-43% more cost-effective | ❌ 33-43% more expensive |
| Customer Support | ✅ 24/7 availability | ❌ Business hours only |
| Credit Expiration | ✅ Never expires | ❌ Expires after 6 months |
| Native Integrations | ✅ 25+ integrations | ❌ 10+ integrations (fewer) |
| AI Detection | ✅ Advanced AI-powered | ❌ Standard detection |
| List Monitoring | ✅ Real-time monitoring | ❌ Not available |
| Duplicate Removal | ✅ Automatic | ❌ Manual |
| Free Trial | ✅ 10 credits daily (ongoing) | ✅ 100 credits (one-time) |
| Infrastructure | ✅ Global CDN | ❌ Limited regional coverage |
| API Response Time | ✅ 50% faster (<300ms vs <600ms) | ❌ Slower response |
| Rate Limit | ✅ 100 req/s (higher) | ❌ 30 req/s (lower) |
| Code Libraries | ✅ 6 languages supported | ❌ 2 languages only |
| Brand Recognition | ❌ Newer brand | ✅ Established in bulk verification |
| User Community | ❌ Smaller community | ✅ Active user base |
| Documentation | ✅ Comprehensive interactive docs | ✅ Good documentation |
| Bulk Processing Focus | ✅ High performance | ✅ Specialized in bulk |
Migration Guide
Migrating from EmailListVerify to BillionVerify
Switching from EmailListVerify to BillionVerify is simple and can be completed in under 30 minutes:
| Step | Task | Time | Details |
|---|---|---|---|
| 1 | Sign Up | 2 min | Create free account at billionverify.com - no credit card required |
| 2 | Get API Key | 1 min | Navigate to API Settings → Generate New API Key → Copy securely |
| 3 | Update Endpoints | 10 min | Replace EmailListVerify API endpoints with BillionVerify (see code examples below) |
| 4 | Test Integration | 10 min | Use 10 free daily credits to thoroughly test your integration |
| 5 | Import Lists | 5 min | Upload existing email lists (supports CSV, Excel, TXT) |
| 6 | Configure Integrations | 5 min | Set up marketing platform integrations |
API Migration Example:
Before (EmailListVerify):
// EmailListVerify API call
fetch('https://apps.emaillistverify.com/api/verifyEmail', {
method: 'POST',
body: JSON.stringify({
secret: 'your_emaillistverify_key',
email: 'test@example.com'
})
})
After (BillionVerify):
// BillionVerify API call
fetch('https://api.billionverify.com/v1/verify', {
method: 'POST',
headers: {
'X-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, Marketing Director at ListPro Agency ⭐⭐⭐⭐⭐ (5/5) "We switched from EmailListVerify to BillionVerify and saw immediate improvements. Our bounce rate dropped from 1.8% to 0.2%. The processing speed is significantly faster - we clean 500K lists in half the time now."
Jennifer Wong, Operations Manager at EmailMasters Inc. ⭐⭐⭐⭐⭐ (5/5) "The API response time is 2x faster than EmailListVerify. We process 200K emails daily, and BillionVerify's speed and accuracy have been exceptional. The 24/7 support has saved us multiple times during urgent campaigns."
Robert Thompson, CEO at DataClean Solutions ⭐⭐⭐⭐⭐ (5/5) "BillionVerify's advanced disposable email detection caught 35% more temporary emails than EmailListVerify. The cost savings of 40% was substantial, but the accuracy improvement was transformational for our clients."
Trustpilot Ratings
| Service | Rating | Reviews | Status |
|---|---|---|---|
| BillionVerify | 4.9/5 | 2,450+ | Excellent |
| EmailListVerify | 4.3/5 | 1,200+ | Good |
Which Service Is Right for You?
Choose BillionVerify If:
| Scenario | Why BillionVerify |
|---|---|
| You Need Maximum Accuracy | 99.9% accuracy provides the reliability you need for critical deliverability |
| You Process High Volumes | 66% faster processing speeds ideal for bulk email verification needs (100K+ emails/month) |
| You Want Better Value | Save 33-43% compared to EmailListVerify while getting superior features |
| You Need 24/7 Support | Round-the-clock customer support ensures you're never blocked by issues |
| You Value Flexibility | Non-expiring credits and daily free testing credits provide maximum flexibility |
| You're Global | Global CDN infrastructure ensures fast performance worldwide |
| You Need Advanced Integrations | 25+ native integrations vs. EmailListVerify's 10+ |
| You Want Real-Time Monitoring | Built-in list monitoring not available in EmailListVerify |
Choose EmailListVerify If:
| Scenario | Why EmailListVerify |
|---|---|
| You Prefer Bulk-Focused Brands | Brand specifically positioned for bulk list cleaning |
| You Want One-Time Trial | 100 one-time trial credits vs. BillionVerify's 10 daily credits |
| You Have Small Lists | For very small email lists (under 1,000), pricing difference may be minimal |
| You Only Need Basic Detection | Standard verification features sufficient for simple use cases |
Frequently Asked Questions
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 and validates accuracy improvements.
How does BillionVerify achieve higher accuracy than EmailListVerify?
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. Our catch-all verifier achieves 95% accuracy vs. EmailListVerify's basic detection.
Will my existing EmailListVerify integrations work with BillionVerify?
Most platforms that integrate with EmailListVerify 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.
What happens to my EmailListVerify credits when I switch?
EmailListVerify credits remain in your EmailListVerify account and expire after 6 months. We recommend using them up before fully migrating. BillionVerify offers competitive pricing that will save you 33-43% 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. Our support team is available 24/7 to assist with any integration questions.
Do you offer bulk migration discounts?
Yes! Contact our sales team for special migration offers. We often provide bonus credits or discounted rates for customers switching from competitors. For high-volume customers, we can offer custom enterprise pricing.
Is there a minimum commitment or contract?
No, BillionVerify offers pay-as-you-go pricing with no long-term contracts. Credits never expire, giving you complete flexibility. You can start small and scale up as needed without any commitment.
Can I export my verified lists from EmailListVerify and import them to BillionVerify?
Yes, you can export your verified lists from EmailListVerify and upload them to BillionVerify for re-verification or storage. We support all major file formats (CSV, Excel, TXT, JSON) and provide automatic duplicate removal.
How does BillionVerify handle catch-all domains better?
Our catch-all verifier uses real-time testing with multiple addresses, pattern recognition, and risk scoring to achieve 95% accuracy. This is significantly more advanced than EmailListVerify's basic catch-all detection, helping you make better decisions about risky addresses.
What about processing speed for large lists?
BillionVerify processes 50K emails/hour compared to EmailListVerify's 30K emails/hour - that's 66% faster. For a 500K email list, BillionVerify takes 10 hours vs. EmailListVerify's 16.7 hours, saving you 6.7 hours per large list cleaning job.
Conclusion
| Metric | BillionVerify | EmailListVerify | Winner |
|---|---|---|---|
| Accuracy | 99.9% | 99% | ✅ BillionVerify |
| Speed | 50K/hour | 30K/hour | ✅ BillionVerify (66% faster) |
| Pricing | $0.0006/email | $0.0009/email | ✅ BillionVerify (33% cheaper) |
| Support | 24/7 | Business hours | ✅ BillionVerify |
| Infrastructure | Global CDN | Limited regional | ✅ BillionVerify |
| Integrations | 25+ | 10+ | ✅ BillionVerify |
| Credit Expiration | Never | 6 months | ✅ BillionVerify |
| API Response | <300ms | <600ms | ✅ BillionVerify (50% faster) |
Verdict: BillionVerify provides superior accuracy (99.9% vs 99%), significantly faster processing speeds (66% faster), better value (33-43% cost savings), and more features. With 24/7 support, non-expiring credits, advanced AI-powered detection, and global CDN infrastructure, BillionVerify is the ideal choice for businesses serious about email list cleaning and deliverability.
Ready to make the switch? Start your free trial today with 10 free credits daily - no credit card required.