Xverify was built for legacy affiliate lead forms at $80 per 10,000 checks ($0.008–$0.01/email) and requires manual account approval. KaijuVerifier gives you instant self-serve access, 7-Layer Smart SMTP, and Multi-Sheet .XLSX cleaning for $19/10k and $49/50k.
Slide to your monthly email verification volume to see your exact savings:
| Feature / Metric | ⚡ KaijuVerifier | Xverify |
|---|---|---|
| 10,000 Verifications | $19 / mo (or $19 for 5k Non-Expiring Pack) | $80 |
| 50,000 Verifications | $49 / mo | $300 |
| 250,000 Verifications | $149 / mo | $1,000 |
| Recurring Free Tier | ✅ 100 / month forever (Full Smart SMTP) | 100 credits (manual phone/business review) |
| Unknown / Greylisted Billing | ✅ $0 (100% Free — never deducted) | ❌ Charged on standard tier |
Multi-Sheet Excel (.XLSX) |
✅ Native Multi-Tab Upload & Export | ❌ CSV only |
| Unused Credit Rollover | ✅ Monthly Rollover + Never-Expiring Packs | ⚠️ Credits expire after 6–12 months |
| Disposable Email Registry | ✅ 1,000,000+ domains updated daily | ~150,000 domains |
| Pre-DNS Consumer Typo Guard | ✅ Auto-suggests gmial.com → gmail.com ($0 cost) |
⚠️ Basic syntax only |
| Included Free Deliverability Suite | ✅ B2B Email Finder + 360° SPF/DKIM/DMARC/DNSBL Audit | ❌ Paid add-on or not included |
Xverify is still used by legacy affiliate lead-gen networks that also bundle US postal address and phone number form widgets.
For 95% of SaaS products, growth agencies, cold outreach teams, and e-commerce stores, KaijuVerifier delivers identical 99%+ SMTP accuracy at up to 84% lower cost.
Read our in-depth editorial breakdown →Instant client-side pre-scan (0 credits) + live 5-email Smart SMTP sample check before you even sign up.
Compare our real-time latency, composite 0–100 score, and catch-all/typo detection against Xverify — free and without signup:
Xverify charges ~$80 for 10,000 verifications and ~$300 for 50,000 verifications. KaijuVerifier charges $19 for 10,000 and $49 for 50,000 (saving up to 84%) with sub-second REST API responses for live web forms.
Yes. Our real-time /api/v1/verify endpoint validates syntax, typo suggestions (e.g. gmial.com -> gmail.com), 1M+ disposable domains, and live MX/SMTP in milliseconds.