About ZeroBounce
ZeroBounce is the most-certified email validation and deliverability platform on the market. Founded in 2017 by Liviu Tanase and headquartered in Santa Barbara, California, the company helps more than 650,000 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. ZeroBounce is ISO/IEC 27001:2022 certified, SOC 2 Type 2 audited, HIPAA-ready (BAA available), GDPR-aligned, and an active participant in the EU-U.S., UK and Swiss-U.S. Data Privacy Frameworks.
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, CCPA, PCI and HIPAA-ready (BAA available), GDPR-aligned, plus an active participant in the EU-U.S., UK and Swiss-U.S. Data Privacy Frameworks. 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. Core email verification runs on ZeroBounce-owned and managed hardware. For regional data residency, validation files may be stored with Amazon Web Services. All subprocessors are listed in our subprocessor register.
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
650,000+
Customers
650,000+ 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
- Active participant in the EU-U.S. and Swiss-U.S. Data Privacy Framework since December 2017
- 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
