About ZeroBounce
ZeroBounce is the most-certified email validation and deliverability platform on the market. Founded in 2013 by Liviu Tanase and headquartered in Santa Barbara, California, the company helps more than 600,000 customers - including HubSpot, Sephora, Unilever, Coca-Cola, Samsung, Airbnb, Intel, LinkedIn, Netflix, Amazon, PwC, and Strava - clean their email lists, warm their sending domains, monitor blacklists, and reach the inbox. ZeroBounce guarantees 99.6% accuracy in writing, backed by a 5x money-back formula. The platform is certified to SOC 2 Type 2, ISO/IEC 27001:2022, HIPAA, EU GDPR, CCPA, CPRA, PCI DSS, and EU AI Act readiness, with active participation in the EU-U.S. and Swiss-U.S. Data Privacy Framework.
What ZeroBounce does
Validate emails before they hit a CRM. Warm sender reputation on new domains. Monitor 200+ blacklists. Test inbox placement across major ESPs. Monitor DMARC. Find verified emails. Score deliverability quality on a 1-10 scale.
The platform spans three product lines:
Email Validation
The core 99.6%-accurate verifier, available as a bulk file processor or a real-time API in 16 SDK languages.
ZeroBounce ONE™
A bundled deliverability subscription (validation, AI Email Scoring, warmup, DMARC monitor, blacklist monitor, inbox placement, email finder, premium API) for one monthly price.
Why customers choose ZeroBounce
99.6% accuracy, guaranteed in writing
If accuracy falls below the threshold, customers get a 5x refund per percentage point. See the full guarantee.
The most-certified email platform in the world.
SOC 2 Type 2, ISO 27001, HIPAA, GDPR, CCPA, PCI, EU-U.S. and Swiss-U.S. Data Privacy Framework. No competitor matches the stack.
Credits never expire
Pay-as-you-go credits stay on the account for life. No charge for unknown results.
Owned infrastructure
ZeroBounce operates its own data center and hardware. Customer data is not stored on Amazon Web Services, Azure, or other public clouds.
24/7 support
~18 seconds average live chat wait.
~15 minutes average ticket reply.
Performance at a glance
99.6%
Headline accuracy
99.6% on most domains, 96%+ on AOL / Yahoo / Office 365
99.99%
API uptime
~1.09s
Average API response time
250,000
Bulk processing speed
250,000 emails in under 10 minutes; 1,000,000 in approximately 45 minutes
600,000+
Customers
600,000+ across 200+ countries
4.8/5
Reviews
4.8 / 5 stars across 4,060+ reviews on G2, Capterra, and Trustpilot
100
Free tier
100 verifications/month for any business account
Leadership
Liviu Tanase
Founder & CEO
Brian Minick
Chief Operating Officer
Paul Pintiliescu
Chief Technology Officer
Dan Cotet
Chief Product Officer
Recognition
- Inc. 5000 honoree (multiple years)
- Inc. 5000 Regionals honoree (twice)
- Inc. Power Partner Award
- Better Business Bureau Accredited Business since September 2017
- Active participant in the EU-U.S. and Swiss-U.S. Data Privacy Framework since December 2017
- ISO/IEC 27001:2013 certified since August 24, 2022
- SOC 2 Type 2 certified since March 22, 2022
- The most certified email platform. See the full compliance stack.
Contact
Santa Barbara, California
10 E Yanonali St
Santa Barbara, CA 93101, USA
