ZeroBounce

Helping you reach the inbox with email validation, deliverability and email-finding tools on one platform.

Email & Phone Validation
★★★★★ 4.7
2015 Founded
51-200 Employees
400,000+ Customers
Boca Raton, Florida, United States Headquarters
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Quick Facts

✓ Free Trial
Website
zerobounce.net →
Starting Price
18
Pricing Model
usage-based
Free Trial
unknown days
Company Type
private
Social
LinkedIn Twitter/X

About ZeroBounce

ZeroBounce is an email validation, deliverability and email-finding platform that gives marketers, sales teams and senders a 99%+ accurate way to clean email lists and protect their sender reputation. Its real-time and bulk validation services remove invalid, abuse, spam-trap, disposable and other risky addresses, while additional tools like Activity Data and A.I.-driven scoring help teams identify their most engaged contacts. zerobounce.net

Founded in 2015 and headquartered in Boca Raton, Florida, ZeroBounce is led by founder and CEO Liviu Tanase and has been repeatedly recognized on the Inc. 5000 lists of fastest-growing companies in the U.S. cbinsights.com The company also maintains a major office in Santa Barbara, California, and a globally distributed team supporting customers around the world. zerobounce.net

Over the years ZeroBounce has expanded from a pure email validator into an all-in-one email optimization suite that includes an email deliverability toolkit (inbox placement testing, server testing, blacklist monitoring, warmup), DMARC Monitor, Email Finder, Domain Search, data appending, and browser extensions. It serves more than 400,000 customers of all sizes—from solo senders to global brands such as Amazon, Disney, Netflix, LinkedIn and Sephora—and has validated tens of billions of emails. prnewswire.com High customer satisfaction is reflected in consistently strong reviews on G2, Capterra and TrustRadius, where users frequently praise its accuracy, usability and support.

Security and compliance are a core part of ZeroBounce’s positioning. The platform operates its own infrastructure with "military-grade" encryption, is GDPR-compliant, and holds SOC 2 Type II, ISO 27001 and HIPAA certifications, as well as approval under the EU–U.S. Data Privacy Framework. zerobounce.net These controls, combined with a 24/7 support model and an SLA-backed enterprise offering, make ZeroBounce a popular choice for organizations with strict data protection and deliverability requirements.

Key Features

High-accuracy email validation (up to 99.6%) in bulk and real time to remove invalid, abuse, spam-trap, disposable, role-based and catch-all addresses before sending.

Real-time email validation API for websites, forms, CRMs and ESPs so new signups are checked as they enter your database.

Bulk list cleaning workflow with detailed status and sub-status codes, exports and tagging to easily segment valid, risky and invalid contacts.

A.I. Email Scoring that rates the quality of catch-all and risky email addresses so you can salvage more good contacts while avoiding high-bounce segments.

Activity Data that shows when each contact last engaged with email (e.g., 30, 60, 90, 180, 365 days) so you can prioritize active subscribers and suppress dormant ones.

Data appending to enrich emails with missing fields like first and last name, gender and location when a registration IP or related metadata is available.

Email Finder and Domain Search tools to discover and validate business email addresses for specific people or domains, supporting outbound and prospecting use cases.

Deliverability toolkit including email server testing, inbox placement testing and blacklist monitoring to diagnose configuration issues and see where campaigns will land before sending.

DMARC Monitor and related authentication tools to track DMARC alignment, detect spoofing/phishing attempts and improve domain security.

Email warmup service that gradually ramps up sending from new or cold inboxes to build a positive sender reputation with mailbox providers.

iOS mobile app providing on-the-go access to email validation, deliverability tests, email finding and account management from an iPhone. zerobounce.net

Browser extensions for Chrome, Edge and Firefox that automatically extract visible emails from any webpage, validate them, and export cleaned lists. zerobounce.net

Native integrations with major platforms like HubSpot, Mailchimp, Klaviyo, Constant Contact and others for in-app list cleaning, syncing and auto-validation. zerobounce.net

Extensive reporting and dashboards, including executive overviews, top-domain analysis and usage reports to monitor list quality and validation spend.

Enterprise-grade security and compliance (GDPR, SOC 2 Type II, ISO 27001, HIPAA) plus in-house infrastructure and strict data retention policies.

Pros & Cons

👍 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.

User Reviews

G2
4.7
★★★★★
Capterra
4.7
★★★★★
TrustRadius
9.3
★★★★★

Integrations

HubSpot Mailchimp Klaviyo Constant Contact ActiveCampaign MailerLite Twilio SendGrid Adobe Marketo Engage Zoho CRM Shopify Magento PrestaShop OpenCart Drupal Gravity Forms Wix Zapier Facebook Lead Ads Google Sheets Typeform

Best For

Company Size

smb mid-market enterprise

Industries

SaaS Technology E-commerce Marketing & Advertising Financial Services Professional Services

Use Cases

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

FAQ

What is ZeroBounce?

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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.

How much does ZeroBounce cost?

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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.

What are the main features of ZeroBounce?

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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.

Who are ZeroBounce's main competitors?

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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.

Is ZeroBounce good for small businesses?

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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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