# ZeroBounce Reviews **Vendor:** ZeroBounce **Category:** [Email Verification Software](https://www.g2.com/categories/email-verification) **Average Rating:** 4.7/5.0 **Total Reviews:** 1,367 ## About ZeroBounce ZeroBounce is an award-winning email verification and deliverability platform helping 400,000+ customers improve their email ROI and inbox placement. Its premier deliverability services include: 99% accurate email validation - Remove outdated and risky email addresses to lower email bounce rates and maintain a positive sender reputation. Email Finder - Find new, valid business email addresses and scale your B2B outreach DMARC Monitor - Secure your emails and prevent phishing scams with unlimited email monitoring, security alerts, and automated reporting Email Deliverability Tools - Improve inbox visibility with customized toolkits. Includes email server testing, inbox placement testing, Email Finder, and DMARC Monitoring Activity Data & Email Scoring - Find your most active email subscribers with Activity Data. Additionally, Email Scoring service provides more in-depth insights about your email list to help you achieve email success. ZeroBounce has validated 25+ billion emails and serves companies of all sizes, from solo business owners to Amazon, Disney, Netflix, and Sephora. The platform ensures military-grade security and is GDPR, SOC 2 Type II, ISO-27001-certified, and fully HIPAA compliant. ## ZeroBounce Pros & Cons **What users like:** - Users commend the **accuracy** of ZeroBounce in validating and finding professional emails, enhancing client outreach. (418 reviews) - Users love the **ease of use** of ZeroBounce, finding the verification process quick and efficient for their lists. (384 reviews) - Users appreciate the **data accuracy** of ZeroBounce, finding it essential for verifying professional emails and protecting domains. (238 reviews) - Users highly value the **email verification features** of ZeroBounce, enhancing list accuracy and client outreach efforts. (191 reviews) - Users appreciate the **deliverability improvement** of ZeroBounce, enhancing email validation and reducing campaign bounces. (173 reviews) - Speed (156 reviews) - User Interface (124 reviews) - Data Cleaning (110 reviews) - Fast Processing (100 reviews) - Simple (99 reviews) **What users dislike:** - Users find ZeroBounce to be **quite expensive** , particularly when considering larger scale needs and overall affordability. (155 reviews) - Users find the **inaccuracy of email validation** in ZeroBounce problematic, leading to unexpected bounce rates. (53 reviews) - Users find the **verification process slow** , leading to delays in validating email lists effectively. (51 reviews) - Users find the **costly services** of ZeroBounce can be high for large volumes, limiting accessibility and flexibility. (47 reviews) - Users feel that the **credit limitations** hinder effective testing and frequent usage of ZeroBounce's features. (46 reviews) - Users express frustration over **insufficient data** , citing limitations like few free credits and lack of an email finder API. (46 reviews) - Improvement Needed (42 reviews) - Users find the **limited credits** of ZeroBounce challenging, especially when dealing with fluctuating email volumes. (40 reviews) - Users experience **slow performance** with ZeroBounce, particularly when processing large email lists, impacting efficiency. (40 reviews) - Email Issues (34 reviews) ## ZeroBounce Reviews ### 1. Accurate Email Verification That Boosts Deliverability and List Hygiene **Rating:** 5.0/5.0 stars **Reviewed by:** Rene M. | Solution Architect, Outsourcing/Offshoring, Mid-Market (51-1000 emp.) **Reviewed Date:** May 08, 2026 **What do you like best about ZeroBounce?** The email verification accuracy is very strong, and the platform consistently identifies invalid, risky, or disposable email addresses before campaigns go out. Since implementing it, we’ve seen noticeable improvements in bounce rates and overall deliverability. The interface is clean and easy to navigate, so bulk verifications are simple even for non-technical users. The API integration has also been smooth, making it straightforward to automate validation workflows across forms and CRM systems. Another major advantage is the added data insights, such as spam trap detection and email activity scoring. These features help us make better decisions around list hygiene and engagement. **What do you dislike about ZeroBounce?** Pricing can add up if you’re working with very large databases or need frequent, high-volume verification. Also, some of the reporting and analytics views could benefit from more customization options and stronger filtering to make it easier to focus on what matters. **What problems is ZeroBounce solving and how is that benefiting you?** This is a great fit for marketing teams, agencies, SaaS companies, and any business that relies heavily on email communication and wants to maintain strong deliverability. ### 2. Great Email Verification That Cuts Bounces and Protects Your Domain **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Staffing and Recruiting | Small-Business (50 or fewer emp.) **Reviewed Date:** April 23, 2026 **What do you like best about ZeroBounce?** It’s great to be able to verify emails before sending, since it reduces the risk of hard bounces and helps protect your domain so you’re less likely to get marked as spam when doing cold outreach, which is wonderful. The main downside for me is that the process feels a little bulky: I have to upload spreadsheets, and it seems like it can only verify either personal or work emails one at a time. That means I end up doing the uploads twice. This may be related to how I’m using it and there could be a better way, but I haven’t found one yet. **What do you dislike about ZeroBounce?** I find uploading spreadsheets to be time-consuming and a bit bulky. If the columns don’t line up properly, it sometimes won’t read the information correctly, and I’m not sure if there’s a better way to handle that. Otherwise, the software itself does a great job of detecting incorrect emails. **What problems is ZeroBounce solving and how is that benefiting you?** It helps keep our domain healthy by preventing us from sending emails to incorrect or invalid email addresses. ### 3. Bulk Email Validation with less hassle **Rating:** 5.0/5.0 stars **Reviewed by:** Jesryll G. | Business Development Executive, Small-Business (50 or fewer emp.) **Reviewed Date:** October 16, 2025 **What do you like best about ZeroBounce?** What I like best about ZeroBounce is how easy it is to clean and verify email lists. It helps improve deliverability and gives us more confidence that we’re reaching real prospects. **What do you dislike about ZeroBounce?** What I dislike is that the pricing can get expensive if you clean large email lists often. The platform works well, but the credits run out pretty fast. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce helps us clean and verify email lists so we avoid high bounce rates and bad contacts. It improves our email deliverability, saves time for the SDR team, and helps us reach more real prospects. **Official Response from Corina Leslie:** > Thank you for your review, Jesryll! We’re glad ZeroBounce makes bulk email validation simple and hassle-free. We appreciate your feedback on speed and are always working to make the process faster. ### 4. ZeroBounce Verification Makes Life Easy **Rating:** 4.5/5.0 stars **Reviewed by:** Daniel R. **Reviewed Date:** February 09, 2026 **What do you like best about ZeroBounce?** ZeroBounce does exactly what you want an email verification tool to do: it protects sender reputation and reduces risk. The validation results are clear and reliable. It's easy to integrate into existing outbound or CRM workflows. From an admin perspective, it's reassuring to have strong spam-trap detection, abuse detection, and compliance standards in place. It’s a dependable “set it and trust it” tool that helps keep campaigns out of trouble. **What do you dislike about ZeroBounce?** Catch-all results still need manual judgment, meaning it isn’t always a fully automated decision engine. At scale, credit usage can add up quickly, so admins must monitor usage closely, especially with multiple teams uploading lists. The UI is functional but not very modern or fast. Some non-technical stakeholders think validation alone ensures inboxing, but that isn’t true. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce addresses the issue of low list quality and delivery risks by spotting invalid, disposable, role-based, and high-risk email addresses before we send. This helps safeguard our domain reputation, lower bounce rates, and prevent unnecessary issues with our email service provider. As an admin, I feel confident knowing our teams are using cleaner data. This leads to more dependable campaign performance and fewer problems to handle later on. ### 5. Don't Use Your CRM Without It **Rating:** 5.0/5.0 stars **Reviewed by:** Cindi M. | President, Small-Business (50 or fewer emp.) **Reviewed Date:** February 08, 2026 **What do you like best about ZeroBounce?** ZeroBounce is so easy to use. In a world of email blasts, spam filters, and firewalls - getting your message out to your clients can be challenging! Even if you have communications with a client muliple times, your domain emails can be flagged and stopped by the firewall and your website reputation can be harmed if you're emailing dead addresses. I use Zero Bounce against my existing client emails to ensure that I don't arbitrarily set of a spam reputation flag, etc. **What do you dislike about ZeroBounce?** Nothing ... it' super easy to use! No complaints at all. **What problems is ZeroBounce solving and how is that benefiting you?** It's ensuring that I am aware of emails of clients who have either moved to another company, or whose firwall is blocking me. It helps me avoid getting flagged as a a "spammer", even though I'm reaching out to MY CLIENT LIST. It ensures quality of my email transmissions. ### 6. Excellent validation service, easy to use and navigate **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Electrical/Electronic Manufacturing **Reviewed Date:** January 27, 2026 **What do you like best about ZeroBounce?** The signup process was as simple as it could get. I am using the credit model to validate emails through our CRM tool (EngageBay). It was straightforward to enable the API, much better than similar tools which usually hide the API code or make it very difficult. The results of email validation are detailed and insightful, helping us to quickly and automatically improve the CRM database **What do you dislike about ZeroBounce?** Not a lot - but I feel that the ZeroBounceOne price is on the high side for small organizations like ours. **What problems is ZeroBounce solving and how is that benefiting you?** Our customer base consists mainly of scientists who move between institutions frequently. We already use other tools to track them (SciLeads), but our bounce rates are high when running newsletter campaigns. ZeroBounce in EngageBay helps us to be alert of such changes and help us to pin down where people move so that we can resubscribe them. ### 7. Helpful Live Chat and Great Results for Improving Email Deliverability **Rating:** 4.5/5.0 stars **Reviewed by:** Steve S. | Head of Digital Marketing, Small-Business (50 or fewer emp.) **Reviewed Date:** May 09, 2026 **What do you like best about ZeroBounce?** Very helpful online chat (a real person) and access to one free usage for a list of up to 100 email addreses. Excellent resilts screen and dowen load of its results and very helpful to maintain and improve deliverability and reputation **What do you dislike about ZeroBounce?** Fairly high minimum credit purchase for some users **What problems is ZeroBounce solving and how is that benefiting you?** Deliverability and reputation of/from an email sender **Official Response from Corina Leslie:** > Thank you for reviewing us, Steve -- we really appreciate your feedback! ### 8. Reliable and Accurate Email Verification Tool **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** January 05, 2026 **What do you like best about ZeroBounce?** The accuracy of ZeroBounce is what I like best. It does an excellent job identifying invalid emails, spam traps, abuse addresses, and catch-all domains. The detailed reporting makes it easy to decide which emails to keep or remove, and the platform is very easy to use. It has helped improve deliverability and reduce bounce rates consistently. **What do you dislike about ZeroBounce?** While ZeroBounce is very effective, the credit cost can feel a bit high for large-volume users or frequent list cleaning. Some results, like catch-all emails, still require manual judgment, which adds an extra step. However, these are minor drawbacks compared to the overall value it provides. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce solves the problem of poor email list quality by accurately identifying invalid, inactive, and risky email addresses before campaigns are sent. This helps reduce bounce rates, prevent spam complaints, and protect sender reputation. As a result, my email campaigns perform better, inbox placement improves, and I save time and cost by targeting only valid contacts. ### 9. Always verify the email list if the list is more than 6 months old and it is a huge list **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Computer Software **Reviewed Date:** January 22, 2026 **What do you like best about ZeroBounce?** What I like most about ZeroBounce is how dependable it feels when you’re working with email at scale. It gives you confidence that the list you’re using is actually clean, which makes a huge difference for deliverability and sender reputation. The way it clearly flags invalid, risky, or disposable emails is especially helpful, because you don’t have to guess what to keep or remove before a campaign goes out. Another thing I appreciate is that ZeroBounce goes beyond basic validation. Features like email scoring, blacklist monitoring, and easy integrations make it practical for everyday marketing workflows. It feels like a tool built for real marketers—not just for checking emails once, but for maintaining long-term list health and performance. **What do you dislike about ZeroBounce?** Actually, it is doing best in the industry. So, no complaints. **What problems is ZeroBounce solving and how is that benefiting you?** Email Validation for the existing database and the form level active validation. ### 10. Cleans my Email Lists Quickly & Effortlessly **Rating:** 5.0/5.0 stars **Reviewed by:** Chris W. | Marketing Director, Mid-Market (51-1000 emp.) **Reviewed Date:** January 09, 2026 **What do you like best about ZeroBounce?** I enjoy using ZeroBounce because it makes cleaning my email lists extremely easy! It also protects my sending score because it identifies "abuse" contacts, meaning people that report emails are identified so I can remove them from the list. Once I remove them, it makes it much more likely I'll land in the inbox and not the spam folder. **What do you dislike about ZeroBounce?** The only issue I have with ZeroBounce is that once it validates the lists, it will create numerous lists (i.e. valid, catch-all, abuse contacts). As a result I have to then go in and manually remove the "abuse" contacts, I'd prefer if this step was simply automated in some fashion. **What problems is ZeroBounce solving and how is that benefiting you?** It's improving my sender score, which enhances our email marketing efforts overall. Emailing "Abuse" accounts can severely limit my impact and do lasting damage to the email accounts I use to send out emails. ## ZeroBounce Discussions - [What is ZeroBounce used for?](https://www.g2.com/discussions/what-is-zerobounce-used-for) - 1 comment, 1 upvote - [can we connect with CRm.](https://www.g2.com/discussions/can-we-connect-with-crm) - 4 comments, 1 upvote - [View ZeroBounce pricing details and edition comparison](https://www.g2.com/products/zerobounce/reviews/zerobounce-review-9149120?section=pricing&secure%5Bexpires_at%5D=2026-05-31+15%3A33%3A17+-0500&secure%5Bsession_id%5D=23a61cfd-e6a5-447d-9977-2492aa9bd0d3&secure%5Btoken%5D=46d449b852ab2405ab40e284ac71519e7bc4a8e4118f24675c256eac5e597c65&format=llm_user) ## ZeroBounce Integrations - [ActiveCampaign](https://www.g2.com/products/activecampaign/reviews) - [Adobe Journey Optimizer](https://www.g2.com/products/adobe-journey-optimizer/reviews) - [Amazon S3 Glacier](https://www.g2.com/products/amazon-s3-glacier/reviews) - 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Lead Builder - CRM Integration - Marketing Automation Integration - Social Media Integration - Data Import & Export Tools **Diagnostics** - Account Overview - DMARC Alignment - Analytics **Diagnosis** - IP Address - Domains - Content - Policy Compliance **Lead Intelligence** - Lead Validation - Lead Enrichment - Lead Quality - Lead Analysis - Browser Extension **Generative AI** - AI Text Generation - AI Text-to-Speech **Compliance** - Policy Configuration - Alerts - Inbound Emails - Outbound Emails **Tracking** - Processing Time - Placement - Open Rate - Time to Open - Alerts **Agentic AI - Lead Intelligence** - Cross-system Integration **Agentic AI - Email Verification** - Decision Making **Protection** - Threat Identifications - Threat Interception - Threat Removal - Integrations **Reporting** - Campaign Performance - Domain Reputation - Brand Reputation - Blacklist and Whitelist **Agentic AI - Email Deliverability** - Autonomous Task Execution - Cross-system Integration - Adaptive Learning - 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