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ZeroBounce

Accurate email verification and deliverability tools for clean mailing lists

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  • Overview
  • Features
  • Pricing
  • Pros
  • Cons
  • Reviews

ZeroBounce Overview

  • Updated February 10, 2026

ZeroBounce is an email validation and deliverability platform designed to help businesses improve inbox placement and campaign performance. It verifies email addresses in real time or bulk, removes invalid and risky contacts, and provides detailed status codes.

With API access, integrations, and additional tools like AI scoring and email finding, it supports marketers, sales teams, and developers at scale.

Key Features

  • Email Validation: Identifies valid, invalid, catch-all, spam-trap, and abuse emails with 99.6% accuracy.
  • Real-Time API: Validates email addresses instantly at signup or form submission.
  • Bulk List Cleaning: Upload large email lists and clean them quickly with detailed status codes.
  • AI Email Scoring: Uses machine learning to predict email quality and engagement likelihood.
  • Email Finder: Discovers business email addresses using company and contact data.
  • Inbox Placement Tools: Tests email deliverability and server configuration before campaigns.

Price

Plan Price Featured
Free $0 (100 credits/month) 100 monthly email validations, Basic status results, API access included
Pay As You Go – 2,000 Credits $18 one-time purchase Credits never expire, Bulk & real-time validation, Detailed status codes
ZeroBounce ONE™ Subscription $79/mo (Billed Annually) / $99/mo (Billed Monthly) 25,000 monthly credits, Volume pricing, Priority support

Price details: https://www.zerobounce.net/email-validation-pricing

Pros

Competitor

Pros
NeverBounce ZeroBounce offers more granular status codes and additional deliverability tools like AI scoring and inbox tests. Its credits never expire, which can be more cost-effective for teams with irregular validation needs. The interface also provides clearer explanations for risky and unknown results, helping non-technical users make better list-cleaning decisions.
Hunter Compared to Hunter, ZeroBounce focuses more deeply on validation accuracy and risk detection rather than just finding emails. It performs better for large-scale list cleaning and ongoing hygiene. ZeroBounce also supports more integrations and advanced API usage, making it a stronger choice for email-heavy marketing and sales operations.
Mailfloss ZeroBounce gives users direct control over validation rather than relying on automated list syncing alone. It provides faster, on-demand bulk cleaning and more transparency into why emails are flagged. For teams that want manual oversight and detailed reporting, ZeroBounce is more flexible and informative.
BriteVerify ZeroBounce is generally more affordable at entry and mid-level volumes while offering similar real-time validation accuracy. It includes more bundled tools, such as inbox placement testing and AI scoring, without requiring enterprise contracts. This makes it more accessible for SMBs and growing marketing teams.
Clearout ZeroBounce stands out with stronger support coverage and more comprehensive deliverability features. Its credits never expiring reduces waste compared to time-limited plans. Additionally, ZeroBounce’s documentation and API reliability are often considered more mature for long-term, high-volume usage.

Cons

Competitor

Cons
NeverBounce Compared to NeverBounce, ZeroBounce can feel more complex for first-time users due to the number of tools and status types. Users who only want quick pass/fail validation may find the extra data unnecessary. NeverBounce’s simpler workflow can be faster for very basic list-cleaning tasks.
Hunter Hunter combines email finding and verification in a more streamlined prospecting workflow. ZeroBounce requires switching between tools for finding and validating emails, which can slow down outbound sales teams. For lead generation-first use cases, Hunter may feel more efficient.
Mailfloss Mailfloss emphasizes automation and set-and-forget list hygiene inside email platforms. ZeroBounce is more manual by comparison, requiring uploads or API calls. Teams seeking continuous background cleaning without hands-on management may find ZeroBounce less convenient.
BriteVerify BriteVerify integrates tightly with some enterprise marketing clouds, which ZeroBounce may not support as deeply out of the box. Large enterprises already embedded in those ecosystems might face additional setup work with ZeroBounce. This can add friction for corporate IT-managed environments.
Clearout Clearout can be cheaper at very high volumes and offers simpler pricing tiers. ZeroBounce’s credit-based model requires more planning to estimate usage. High-volume senders focused purely on cost per email may find Clearout more predictable for budgeting.

Verified Customer Reviews

  • Trustpilot Review (Rating: 4.9/5): Users praise the accuracy and customer support, but some mention pricing becomes expensive at very high volumes.
  • Reddit/r/coldemail Review (Rating: 3.5/5): Reviewers note reliable SMTP-based validation, while criticizing that results can be similar to cheaper alternatives.
  • G2 Review (Rating: 4.6/5): Customers like the ease of use and detailed reports, though some report slower processing on extremely large lists.
  • Sparkle.io Review (Rating: 4.5/5): The review highlights strong bounce reduction and accuracy, but notes the interface may feel overwhelming for beginners.
  • Capterra Review (Rating: 4.6/5): Users value fast list cleaning and clarity, while some point out that credit usage requires monitoring to avoid overspending.