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Email & Phone Validation
ZeroBounce
Helping you reach the inbox with email validation, deliverability and email-finding tools on one platform.
ZeroBounce is an email validation and deliverability platform that helps businesses clean and enrich email lists, protect sender reputation, and improve inbox placement across marketing and transactional campaigns.
Pricing
$1 to $25 / mo
Best for
Best for marketing, growth and sales teams that send high-volume campaigns and want enterprise-grade email list hygiene, deliverability diagnostics and security rather than a basic, low-cost verifier.
Platforms
Web, iOS, Chrome Extension
Free trial
Yes
Free plan
Yes
Headquarters
Boca Raton, Florida, United States
Company type
Private
The honest take
What reviewers love, and what to watch
A balanced view of ZeroBounce, drawn from public reviews and product research.
Pros
- Very high email validation accuracy that substantially reduces bounce rates and protects sender reputation, even for large lists.
- Simple, intuitive workflow for uploading lists and running validations, with many users reporting that it is easy to get started.
- Robust feature set beyond basic validation, including Activity Data, A.I. scoring, Email Finder and a full deliverability toolkit.
- Extensive native integrations with popular ESPs and CRMs like HubSpot, Mailchimp and Klaviyo, plus Zapier and browser extensions to fit into existing workflows.
- Credits never expire and unknown results are not charged, which many reviewers see as fair and cost-effective.
- Responsive, 24/7 support via chat and email that is frequently praised for being fast and knowledgeable.
Cons
- Pricing can add up for large or frequently cleaned lists, especially when using additional services like Activity Data and A.I. scoring that consume extra credits.
- Handling of catch-all, disposable and greylisted emails can feel slower or less clear, sometimes requiring manual review or test sends to interpret results.
- The dashboard and number of features can be overwhelming for non-technical or novice users, and some reviewers wish for a more streamlined UI.
- Bulk processing on very large lists may feel slow at times compared to leaner tools, according to a minority of reviews.
- ZeroBounce focuses on validation and deliverability rather than sending; there is no built-in email sending or marketing automation, so it must be paired with an ESP.
Where it fits
What teams use ZeroBounce for
- Email list cleaning and hygiene before campaigns
- Ongoing real-time validation on signup and lead forms
- Cold email outreach and sales prospecting list verification
- Deliverability diagnostics and inbox placement testing
- Blacklist and sender reputation monitoring
- DMARC monitoring and email security hardening
- Data enrichment and audience segmentation based on engagement
Key strengths
- Proven accuracy and reliability at scale, with strong customer feedback and thousands of reviews across G2, Capterra and TrustRadius.
- Broad integration ecosystem (native, API and Zapier) that fits into common ESP, CRM, ecommerce and form stacks without heavy development work.
- Comprehensive tooling that goes beyond email syntax checks to include engagement intelligence, email finding and deliverability monitoring.
- 24/7 support and an enterprise offering with SLA-backed uptime and customization options for large senders.
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Questions, answered
Frequently asked about ZeroBounce
The short version is on the surface. Open any question to go deeper.
ZeroBounce is an email validation and deliverability platform that helps businesses clean and enrich email lists, reduce bounces and improve inbox placement. It offers bulk and real-time validation, A.I. email scoring, Activity Data, Email Finder, DMARC monitoring, blacklist monitoring, inbox placement testing and more, along with strong security and compliance certifications.
ZeroBounce uses a pay-as-you-go credit model starting at about $18 for 2,000 validations, with volume discounts up to 1 million+ emails, plus subscription plans (e.g., Starter, Team, Pro) beginning around $49 per month and the ZeroBounce ONE bundle at about $99 per month. It also offers a freemium plan with 100 free validations per month. Exact pricing can change, so buyers should confirm current rates on the official pricing page.
Key features include 99%+ accurate bulk and real-time email validation, a REST API, A.I. Email Scoring, Activity Data, data appending, Email Finder and Domain Search, an email deliverability toolkit (inbox placement testing, server tests, blacklist monitoring and warmup), DMARC Monitor, an iOS mobile app, browser extensions for Chrome, Edge and Firefox, and dozens of native and Zapier-powered integrations.
Major competitors to ZeroBounce in the email verification and deliverability space include NeverBounce, MillionVerifier, Bouncer, Clearout, EmailListVerify, QuickEmailVerification and similar tools that focus on bulk list cleaning and real-time validation APIs.
Yes. Small businesses benefit from ZeroBounce's freemium plan and low entry pricing to clean lists before important campaigns, and the integrations make it easy to plug into tools like Mailchimp, HubSpot or Shopify. That said, very small senders with minimal email volume or extremely limited budgets may find simpler, cheaper verifiers sufficient if they do not need advanced deliverability or intelligence features.
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