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emailzeno vs Bouncer:
which is better for email marketers, agencies, and API-first teams?

Both combine great API design with solid accuracy — emailzeno goes further with flat-rate unlimited, EU hosting, and auto-refund on bounces.

Try free — 300 verifications See full comparison

All competitor data sourced from public pricing and documentation pages. ¹ Footnote marks denote claims verified as of 2026-05-20.

TL;DR — winner per dimension

✅ Pricing model
➖ Accuracy claim
➖ Free tier
✅ Integrations
➖ REST API
✅ Refund policy
✅ GDPR / EU hosting
➖ Support SLA

✅ emailzeno wins  ·  ⚠️ Bouncer wins  ·  ➖ Tie

Feature-by-feature: emailzeno vs Bouncer

Dimension EmailZeno Bouncer Winner
Pricing model Flat $9–$79/mo unlimited¹ Pay-per-verification + subscriptions¹ ✅
Accuracy claim 99.6 % (SMTP + MX layer) 99.5 % stated on site¹ ➖
Free tier 300 verifications, no card 100 free verifications¹ ➖
Integrations 35+ via native + Zapier 20+ native integrations¹ ✅
REST API Full REST + webhooks Full REST + webhooks¹ ➖
Refund policy Auto-credit on hard bounces No refund policy stated¹ ✅
GDPR / EU hosting EU-hosted by default EU servers available (Enterprise)¹ ✅
Support SLA Email + chat, 24 h SLA Chat + email support¹ ➖

¹ Competitor data verified from public sources as of 2026-05-20. Pricing and features may change — check the competitor's site for the latest.

Pricing side-by-side

EmailZeno
  • Free $0 300 verifications/mo
  • Solo $9 5 000 verifications/mo
  • Growth $29 25 000 verifications/mo
  • Unlimited $39 Unlimited flat rate
  • Scale $79 100 000 verifications/mo
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Bouncer
  • Flex $20/mo 5 000 verifications/mo¹
  • Scaling $60/mo 20 000 verifications/mo¹
  • Volume $120/mo 50 000 verifications/mo¹

¹ As of 2026-05-20. Check their site for latest pricing.

When Bouncer is the better pick

Bouncer has built a strong reputation in the email verification space with a polished product and excellent user experience. Their API documentation is thorough, their dashboard is well-designed, and they offer a generous free trial period. If you value a proven mid-market brand with a well-known name in the deliverability community and want to evaluate a tool with a longer free trial before committing, Bouncer is a safe choice.

When emailzeno is the better pick

emailzeno offers substantially lower total cost at every tier. Their Scaling plan ($60 for 20 000) costs more than double our Growth plan ($29 for 25 000). Unlimited at $39 has no volume ceiling — they have no equivalent. EU hosting is our default (Hetzner DE), not a premium add-on. Our auto-credit on hard bounces turns verification into a pay-for-deliverable model. Both tools are strong; the cost differential is the deciding factor for most teams.

Moving from Bouncer?

Moving from Bouncer? Export your verified list from the Bouncer dashboard (Lists → Export). Their CSV includes a verificationStatus column: map bounce/unknown rows to emailzeno's Suppression Manager. Our API accepts equivalent parameters — the main change is the base URL and API key format. Support can provide a migration checklist if needed.

Import your suppression list →

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300 free verifications. No credit card. Cancel any time.

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Frequently asked questions

Both claim 99.5%+ using the same SMTP EHLO/MAIL FROM/RCPT TO methodology without DATA. Internal tests against a 1 M-address reference set show our accuracy at 99.6%. Independent third-party comparisons are not yet published for either tool.

Yes — both offer RESTful JSON APIs, webhook callbacks for batch jobs, and SDK examples. We additionally provide a native PHP/Laravel SDK and support bulk upload via both API and dashboard. Our median single-email response time is 240 ms.

It means no per-address pricing, no credit consumption, no tier cap. You pay $39/mo and can verify as many addresses as your worker concurrency allows. There's a fair-use threshold (currently 1 M/mo) — contact us if you exceed that and we'll review, not cut you off.
Free forever — no credit card

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300 verifications /mo · five-minute API integration · credit refund on hard bounces. Trusted by senders who treat sender reputation like the asset it is.

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