Both API-centric verification tools — emailzeno offers flat-rate pricing, EU hosting, and a richer integration ecosystem.
All competitor data sourced from public pricing and documentation pages. ¹ Footnote marks denote claims verified as of 2026-05-20.
✅ emailzeno wins · ⚠️ Byteplant wins · ➖ Tie
| Dimension | EmailZeno |
|
Winner |
|---|---|---|---|
| Pricing model | Flat $9–$79/mo unlimited¹ | Pay-per-verification + monthly caps¹ | ✅ |
| Accuracy claim | 99.6 % (SMTP + MX layer) | 99 %+ stated on site¹ | ➖ |
| Free tier | 300 verifications, no card | 100 free verifications¹ | ➖ |
| Integrations | 35+ via native + Zapier | 5+ native integrations¹ | ✅ |
| REST API | Full REST + webhooks | REST API available¹ | ➖ |
| Refund policy | Auto-credit on hard bounces | No refund policy stated¹ | ✅ |
| GDPR / EU hosting | EU-hosted by default | US-hosted (EU available)¹ | ✅ |
| Support SLA | Email + chat, 24 h SLA | Email + documentation¹ | ✅ |
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.
¹ As of 2026-05-20. Check their site for latest pricing.
Byteplant has a lightweight, no-fuss API that's easy to integrate for simple email verification needs. Their pay-as-you-go pricing at $0.003/email is competitive at low volumes, and they've built a reliable service over many years with a small but loyal developer following. If your integration is simple and you prefer a no-dashboard, API-only tool with minimal overhead, Byteplant gets the job done without platform complexity.
emailzeno provides a more comprehensive verification platform at a lower cost. Byteplant's $49/mo covers 20 000 verifications — our Growth plan ($29) covers 25 000. Our Unlimited plan ($39) has no ceiling; Byteplant's entire pricing is volume-capped and scales linearly. EU hosting is our default. We offer 35+ integrations vs their 5+. Our webhook system, suppression management, and auto-refund policy are features Byteplant doesn't provide. For any real-world integration beyond a simple API call, emailzeno is the more complete solution.
Switching from Byteplant? Their API returns JSON with an email field and a result value (ok, bad, unknown). Our API accepts identical query parameters and returns compatible response fields. Export your byte-verified lists as CSV and import to our Suppression Manager. The migration involves updating the base URL, swapping the API key, and optionally enabling webhooks for async notifications.
Import your suppression list →300 verifications /mo · five-minute API integration · credit refund on hard bounces. Trusted by senders who treat sender reputation like the asset it is.