Start free, scale when you need to. Every plan includes the full verification engine — syntax, DNS/MX, SMTP, catch-all, disposable, and role-based detection.
Start free, scale as you grow. No credit card required for free plan.
No credit card required for free plan.
| Feature | Free | Pro |
|---|---|---|
| Emails per list | Up to 50 | Up to 10,000 |
| Verification volume | Unlimited | Unlimited |
| Result categories (deliverable / risky / undeliverable / disposable) | ||
| CSV export | ||
| All export formats (CSV, XLSX, JSON) | ||
| Priority queue validation | ||
| Priority email support | ||
| GDPR-compliant processing |
Yes. The Free plan supports unlimited verification runs with up to 50 emails per list, full result categorization, and CSV export. No credit card required.
On Free, lists over 50 addresses are simply not processed — you'll be prompted to upgrade or split the list. On Pro, the 10,000-per-list cap is per upload; you can run multiple lists.
We offer a satisfaction guarantee on Pro. If verification accuracy doesn't meet expectations, contact support within 7 days for credits or a refund.
Yes. Pro is a monthly subscription with no contract — cancel at any time and you'll keep access through the end of the current billing period.
If you need higher per-list limits, dedicated support, or a custom data processing agreement, contact us at ask@inboxsure.io.
Still have questions? Read the full FAQ or email ask@inboxsure.io.
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