
no2bounce
ZeroBounce
NeverBounce
Allegrow.co
Email Checker
emailvalidation.io
Email Verification API
Enterprise-grade email verification with 95%+ accuracy. Verify emails in real-time, detect catch-alls, and clean your lists at scale + email finder.

Build your perfectly disciplined all-green history on Github.
Website, pricing, platforms and company facts side by side.
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| Website | herobounce.com | f6s.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Spain · 1 - 9 employees · 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Stop losing 30-40% of your leads to “unknown” emails Most validators mark catch-all domains and greylisted servers as “unknown” and give up. HeroBounce resolves them - recovering the leads your current tool leaves behind.
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The top rated email validation tool - 100 free credits - no2bounce
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Removes invalid emails from your list to prevent email bounces from ruining your deliverability.
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Real-time email verification and cleaning to ensure emails never bounce.
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Allegrow is the #1 inbox placement platform, we're helping more of your emails land in the primary inbox, not spam or unfocused folders.
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Email Checker offers a real-time API and bulk validation for list cleaning.
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Validate any email address with our free & easy-to-use email checker software. We provide a 99% accuracy.
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