--- title: ZeroBounce Reviews meta_title: 'ZeroBounce Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 1367 reviews by the users' company size, role or industry to find out how ZeroBounce works for a business like yours. aggregate_rating: rating_value: 4.7 review_count: 1367 scale: '5' date_modified: '2026-07-21' parent_category: name: Collaboration & Productivity url: https://www.g2.com/categories/collaboration-productivity --- # 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 Its premier deliverability services include: 99% accurate email validation - Remove outdated and risky email addresses to lower email bounce rates and maintain a positive sender reputation.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 value the **high accuracy** of ZeroBounce's reports, greatly enhancing lead quality and generation performance. (434 reviews) - Users appreciate the **ease of use** of ZeroBounce, enjoying quick and accurate email validation for campaigns. (403 reviews) - Users value the **data accuracy** of ZeroBounce, enhancing email validation and protecting their domain effectively. (249 reviews) - Users value the **effective email verification** of ZeroBounce, enhancing domain protection and ensuring list quality. (204 reviews) - Users appreciate the **fast and accurate email validation** of ZeroBounce, leading to enhanced lead quality and lower bounces. (179 reviews) - Speed (164 reviews) - User Interface (129 reviews) - Data Cleaning (113 reviews) - Fast Processing (104 reviews) - Helpful (103 reviews) **What users dislike:** - Users find ZeroBounce to be **expensive** , wishing it were more affordable especially for larger contact lists. (159 reviews) - Users report **inaccuracy in email validation** with ZeroBounce, noting issues with greylisted emails causing delays and incorrect results. (54 reviews) - Users experience **verification issues** with ZeroBounce, as unverified emails occasionally still pass through, causing delivery concerns. (53 reviews) - Users find **credit limitations** annoying, especially when verifying large lists, leading to quick depletion of credits. (49 reviews) - Users face **insufficient data** with ZeroBounce, struggling with limited free credits and overwhelming information. (49 reviews) - Users find the **costly services** of ZeroBounce can be high for large volumes, limiting accessibility and flexibility. (47 reviews) - Improvement Needed (44 reviews) - Users experience **slow performance** with ZeroBounce, particularly when processing large email lists, impacting efficiency. (43 reviews) - Users find the **limited credits** of ZeroBounce challenging, especially when dealing with fluctuating email volumes. (42 reviews) - Data Accuracy (36 reviews) ## ZeroBounce Reviews ### 1. Efficient Email Validation with a Cost Consideration **Rating:** 4.0/5.0 stars **Reviewed by:** Lisa D. | Marketing & Operations Manager, Small-Business (50 or fewer emp.) **Reviewed Date:** November 24, 2025 **What do you like best about ZeroBounce?** I appreciate ZeroBounce for its ability to validate email addresses effectively and score catch-all emails, which helps me eliminate invalid emails. This feature is crucial for maintaining a clean and efficient mailing list, thus improving my email marketing efforts. Additionally, I find the initial setup process of ZeroBounce to be very easy, which significantly facilitates the integration into my existing systems. **What do you dislike about ZeroBounce?** I think the pricing is a little high and could be lowered, or a promo. **What problems is ZeroBounce solving and how is that benefiting you?** I use ZeroBounce to validate email addresses and eliminate invalid emails, improving deliverability and effectiveness of my email campaigns. ### 2. One of the best way to eliminate email bounce rate **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Retail **Reviewed Date:** October 21, 2025 **What do you like best about ZeroBounce?** Easy-to-use system. Accurate email validation. **What do you dislike about ZeroBounce?** Nothing so far, perhaps more control on the download format **What problems is ZeroBounce solving and how is that benefiting you?** After completing our email validation process, we were able to successfully launch email campaigns without any delivery issues through our shipping host. This validation step is critical because it ensures that all recipient email addresses are accurate and active, significantly reducing the risk of bounces. A high bounce rate can negatively affect our sender reputation and may even cause our campaigns to be automatically paused or blocked by the system. By maintaining a clean, verified email list, we not only improve deliverability and engagement rates but also ensure the continuity of our marketing communications without disruption. **Official Response from Corina Leslie:** > Thank you for your review! We’re happy to hear ZeroBounce has helped you improve deliverability and maintain a clean, accurate email list. We appreciate your note on download formats. Our team is exploring ways to give users more flexibility in how results are exported. ### 3. Speed and efficiency **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Computer Hardware **Reviewed Date:** January 18, 2026 **What do you like best about ZeroBounce?** I really like zerobounce because once the Google Sheets are created beforehand, the execution speed is high and it helps avoid mistakes in the cold mail sequence. **What do you dislike about ZeroBounce?** Nothing to say about what's not good except maybe the graphic design, but that's subjective. **What problems is ZeroBounce solving and how is that benefiting you?** It solves my email deliverability issues and avoids getting my email account struck. ### 4. ZeroBounce Helps Keep My Email Lists Accurate **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Food & Beverages **Reviewed Date:** January 30, 2026 **What do you like best about ZeroBounce?** ZeroBounce is fast, accurate, and very easy to use. It saves time and ensures my email campaigns reach real users. **What do you dislike about ZeroBounce?** The verification process can take a little longer when uploading large email lists, but the results are usually very accurate. **What problems is ZeroBounce solving and how is that benefiting you?** It helps me clean my email lists and avoid sending messages to invalid addresses, saving time and improving overall email performance. ### 5. Outstanding Accuracy and User-Friendly Interface with ZeroBounce **Rating:** 5.0/5.0 stars **Reviewed by:** John X. | Sr. Finance Manager, Mid-Market (51-1000 emp.) **Reviewed Date:** October 30, 2025 **What do you like best about ZeroBounce?** What I like best about ZeroBounce is its outstanding accuracy and reliability in verifying email lists. It effectively identifies invalid, spam trap, and abuse emails, which helps maintain a clean mailing list and significantly improves deliverability rates. The platform is also very user-friendly, with an intuitive interface and seamless integrations with popular tools like Mailchim **What do you dislike about ZeroBounce?** so far none we had good experience with this product **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce is solving the major problem of poor email deliverability caused by invalid or low-quality email addresses. In email marketing, sending messages to inactive, fake, or spam trap addresses can hurt a sender’s reputation, increase bounce rates, and reduce campaign effectiveness **Official Response from Corina Leslie:** > Thank you for your review, John! We’re thrilled to hear ZeroBounce’s accuracy and integrations have helped you maintain clean lists and improve deliverability. We’re so glad the platform’s been easy to use and a great fit for your email marketing efforts! ### 6. Trustworthy Email Verification with Excellent Results **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Consumer Services **Reviewed Date:** January 29, 2026 **What do you like best about ZeroBounce?** The best thing about ZeroBounce is its precision in detecting bad emails, spam traps, and abuse addresses. It helps protect domain reputation and ensures higher inbox placement. **What do you dislike about ZeroBounce?** There is very little to dislike, but additional flexible pricing plans for small users would be helpful. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce cleans email lists by removing bad emails, which improves deliverability and ensures emails reach real users. ### 7. Very helpful to clean our databases as we combine multiple companies into one **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Manufacturing **Reviewed Date:** January 11, 2026 **What do you like best about ZeroBounce?** The breakdown of the quality of email address has been very handy in allowing us to clean our invalid, section off the valid and use the unknow or catch all email in a specific campaign to distinguish their validity and update details. The software is also just easy to use. **What do you dislike about ZeroBounce?** I understand why they segment out the generic emails like admin@, AP@ etc. but sometimes those emails are still valid and still need to be included in lists. maybe if there was an option if you want those email segmented out or not could be good. **What problems is ZeroBounce solving and how is that benefiting you?** Cleaning out old invalid and out dated data in our database. ### 8. The best and time saver for email verification **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services **Reviewed Date:** January 18, 2026 **What do you like best about ZeroBounce?** All the features. Specially verifying the email. **What do you dislike about ZeroBounce?** I am using it for almost a year now there is nothing that I dislike about it. **What problems is ZeroBounce solving and how is that benefiting you?** It helps me to save my time when I have to verify emails which is very important for lead generation. It saves time in directly denoting wether the email is valid, invalid or unknown. It saves a lot of time and efforts. ### 9. Been using ZB for over 6 years **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Venture Capital & Private Equity **Reviewed Date:** October 06, 2025 **What do you like best about ZeroBounce?** Highly effective. In general, well made service. Not much to complain about, their validation rate is high and I never had any troubles with the service. Just great industry standard when looking for emails **What do you dislike about ZeroBounce?** I once tried to utilise API but was never able to fully make it work. This would mainly be due to me as I was not able to create proper process. Not much to complain about. I did try a few similar services, but at the end I always end up with ZB. What could be great is if ZB would be able to search for emails based on domains and person name as well. **What problems is ZeroBounce solving and how is that benefiting you?** I am using ZB for searching work emails **Official Response from Corina Leslie:** > Thank you for being with us for more than six years! We’re thrilled to hear ZeroBounce has remained your go-to for email validation and that it continues to deliver strong results. We appreciate your feedback on the API and email search feature. Our team is always exploring ways to make these tools even more powerful. ### 10. Great Product. Reasonably priced. Honest **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Transportation/Trucking/Railroad | Small-Business (50 or fewer emp.) **Reviewed Date:** August 19, 2025 **What do you like best about ZeroBounce?** Email validation keeps our servers from getting flagged before we even send out our campaigns. Our CRM and campaign management software has free email validations too but this is more accurate and definitely has better reports. We dont use it often so I purchased a pay-as-you-go (or so I thought I was purchasing a non subscription pay as you go plan) but got charged a subscription cost. I messaged them about the misunderstanding and was refunded right away. No major upsells, extra verification of unnecessary details. Resolved the issue right away. So yeah great product and great customer service. **What do you dislike about ZeroBounce?** Not much. Website is pretty plain I guess it could use more visual design but not necessary **What problems is ZeroBounce solving and how is that benefiting you?** Email validation. Our outdated CRM had email contacts from years ago. To scrub it we used zero bounce to weed out the invalid ones. **Official Response from Corina Leslie:** > Thank you so much for your thoughtful feedback! We’re happy to hear ZeroBounce is helping protect your servers and clean up your CRM data. It’s also great to know our support team was able to quickly resolve the subscription mix-up — we always aim to keep things honest and hassle-free. Appreciate the note about the website design too! Feedback like this helps us improve across the board. Thanks again for using ZeroBounce! ### 11. Useful for starting in email marketing **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Retail **Reviewed Date:** January 20, 2026 **What do you like best about ZeroBounce?** The subscription credit system is cumulative, it doesn't force you to do things you don't need before the month ends. **What do you dislike about ZeroBounce?** I would need solutions more adapted to large databases. **What problems is ZeroBounce solving and how is that benefiting you?** Email verification is making it possible to go from having 45,000 contacts to less than 30,000, which has greatly increased my chances of not ending up with dead mails. ### 12. Helpful Tool **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Leisure, Travel & Tourism **Reviewed Date:** November 20, 2025 **What do you like best about ZeroBounce?** I have been able to get a better understanding of my client's email list health and how to improve it. **What do you dislike about ZeroBounce?** Some emails that are labeled spam traps or invalid have recently clicked and engaged with an email I sent. This makes me a little hesitant to completely remove emails, but I don't want to have to go through every single email to confirm if the subscriber has engaged with recent sends. **What problems is ZeroBounce solving and how is that benefiting you?** I've been able to identify inactive subscribers who fall into negative categories (abuse, catch-all, etc) and remove them from my email list **Official Response from Corina Leslie:** > Thank you for sharing this. We're glad ZeroBounce is helping you understand your clients' list health and make smarter decisions about who to keep and who to suppress. Regarding the emails marked as spam traps or invalid, engagement can sometimes come from forwarded messages or automated systems, which can create confusion. If you ever have questions about specific results, our support team can take a closer look and help you interpret them so you don’t have to review each address manually. It's great to hear the platform is helping you clean up inactive or risky subscribers. If you ever need more guidance, we're here for you. ### 13. Best Platform for Warming up Email and Validating Email List. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Non-Profit Organization Management **Reviewed Date:** February 16, 2026 **What do you like best about ZeroBounce?** I mostly love the features related to warming the email and validation of the email lists. **What do you dislike about ZeroBounce?** The pricing is a little bit on the higher side. **What problems is ZeroBounce solving and how is that benefiting you?** It helps in managing the domain monitoring and warming up emails so it doesn't land in the spam folders and validating cold emailing lists. ### 14. Effortless email validation **Rating:** 5.0/5.0 stars **Reviewed by:** Yulia S. | Business Development Representative, Small-Business (50 or fewer emp.) **Reviewed Date:** November 27, 2025 **What do you like best about ZeroBounce?** ZeroBounce has been really helpful for keeping my email lists clean. The interface is simple, the verification process is fast, and the accuracy has been solid so far. It’s saved me a lot of time and improved my deliverability. Definitely happy with the service! **What do you dislike about ZeroBounce?** Nothing significant to dislike. If anything, I’d just appreciate even faster processing times **What problems is ZeroBounce solving and how is that benefiting you?** It helps me avoid sending emails to bad or inactive addresses. This has improved my deliverability and reduced bounced emails, which means my campaigns perform better and my sender reputation stays healthy. ### 15. it's the cleanest data you can buy.... **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Food & Beverages **Reviewed Date:** December 23, 2025 **What do you like best about ZeroBounce?** done tons of cold emailing from software, to sushi catering, to other stuff. by far, after scrubbing my target lists with zero bounce, i have cleaner data than anywhere else i've seen, limiting bounces, and ensuring great email deliverability. **What do you dislike about ZeroBounce?** nothing! it's pretty awesome and easy to use honestly. **What problems is ZeroBounce solving and how is that benefiting you?** eliminating invalid email addresses, so that when i cold email at scale, i don't get bounces, and get a bad domain reputation. need to maintain good email deliverability. ### 16. Excellent platform! Super friendly **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** December 15, 2025 **What do you like best about ZeroBounce?** The application is really easy to use and fulfills the function for which I use it very well! **What do you dislike about ZeroBounce?** For the moment, nothing! It is a very complete platform. **What problems is ZeroBounce solving and how is that benefiting you?** It's great for keeping my Email Marketing contact list clean. Initially, the platform I use for marketing would block my campaigns due to the high bounce rate, but since I started using this platform, the error rate has dropped to less than 3 emails per 1000. ### 17. the way results are generated so fast, it has dropped our bounce rate to less than 5% **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services **Reviewed Date:** February 06, 2026 **What do you like best about ZeroBounce?** It was good, really liked the UI/UX, catch all feasture is amazing and espically the AI insights **What do you dislike about ZeroBounce?** The downloading process, it should give us only valid email download not as a ZIP of everything **What problems is ZeroBounce solving and how is that benefiting you?** Making our bounce rate less, so that our emails won't land in spam and we can reach right audience ### 18. It is good to validated unverified emails **Rating:** 3.5/5.0 stars **Reviewed by:** Verified User in Automotive **Reviewed Date:** January 30, 2026 **What do you like best about ZeroBounce?** they verified most of the emails but sometimes they can't verified catch all mails, this is best product avai;ab;e in the market i want to from the product to imporive more to verfify catch all emails also. **What do you dislike about ZeroBounce?** they failed in catch all mails i want that part to improve **What problems is ZeroBounce solving and how is that benefiting you?** helping in verified emails and catch all ### 19. This is an accurate software it clean mails deeply and highly recommended !! **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Hospital & Health Care **Reviewed Date:** November 21, 2025 **What do you like best about ZeroBounce?** This is an accurate software it clean mails deeply and highly recommended for sure i already told colleague about it about a week ago and he recommend the same as I literately recently start working on zero bounce so it work for me and my colleague!! **What do you dislike about ZeroBounce?** I think the prices are a bit high compare to debounce but i still feel it work accurately than debounce but if the price can be adjusted a bit for customers. **What problems is ZeroBounce solving and how is that benefiting you?** It clean bounces mail accurately and make my job easy for my client. **Official Response from Corina Leslie:** > Thank you for sharing this. We're really glad to hear ZeroBounce is working well for you and your colleague, and that the accuracy is helping you keep your lists clean and your work easier. We appreciate you mentioning the price. If you're looking for more value or want to reduce costs, you may want to try ZeroBounce ONE, our new subscription that bundles all our tools in one package. Here’s the link in a copy-friendly format: https://www.zerobounce.net/zerobounce-one Thank you again for the recommendation. We're always here if you need anything. ### 20. Email verification, have difficult with real time when its large data **Rating:** 0.5/5.0 stars **Reviewed by:** Verified User in Financial Services | Mid-Market (51-1000 emp.) **Reviewed Date:** May 07, 2026 **What do you like best about ZeroBounce?** top up credit options to add credit to account **What do you dislike about ZeroBounce?** dont really works in real time always, we had high bounce although working with system, also pricing is bit expensive than other system **What problems is ZeroBounce solving and how is that benefiting you?** Email validation, its helping us to reduce bounce rate and protect our ip **Official Response from Corina Leslie:** > Thank you for sharing your feedback. We’re sorry to hear the results didn’t meet your expectations. Our team would be happy to take a closer look at your validation results and bounce data. We offer 24/7 support and a money-back guarantee on email validation, so please don’t hesitate to contact us at support@zerobounce.net or send us a message via the live chat on our website. ### 21. A Must-Have for Clean Email Lists **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Design **Reviewed Date:** January 11, 2026 **What do you like best about ZeroBounce?** I’ve used ZeroBounce to verify and clean email lists by removing invalid, inactive, and risky addresses. It helped improve deliverability, reduce bounce rates, and protect sender reputation before running outbound or email campaigns. **What do you dislike about ZeroBounce?** One downside is that the credit-based pricing can add up quickly when verifying large lists, and some results still require manual review, especially for catch-all or “unknown” emails. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce solves the problem of dirty and unreliable email lists by identifying invalid, risky, and inactive addresses before campaigns go out. This benefits me by lowering bounce rates, improving deliverability, protecting sender reputation, and making email outreach more effective overall. ### 22. i recomended highly likely i am very satishfied and would recomended zerobounce for its accuracy. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services **Reviewed Date:** January 12, 2026 **What do you like best about ZeroBounce?** i like zerobounce for its exceptional accuracy in email validation, leading to better sender reputation and deliverability, combined with a user-friendly interface, fast processing, helpful deliverability tools, and valuable data appending features like finding names and genders for emails. **What do you dislike about ZeroBounce?** nothing at all but pricing may be the issue for some. **What problems is ZeroBounce solving and how is that benefiting you?** zeroBounce help me filter out valid email which is very helpful in outreach ### 23. Great tool for email verification. **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Computer & Network Security **Reviewed Date:** February 03, 2026 **What do you like best about ZeroBounce?** It validates the catch-all email and helps me verify emails for mass cold email campaigns, which results in a lower bounce rate for my campaign, and eventually helps with reputation management for my domain **What do you dislike about ZeroBounce?** Slow Processing time for email verification. **What problems is ZeroBounce solving and how is that benefiting you?** Bounced Emails are no longer a concern for me, thanks to Zerobounce ### 24. A huge part of our validation layer **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** December 11, 2025 **What do you like best about ZeroBounce?** Knowing which emails are spam traps, abusive, and do not mail email addresses are imperative to our cold email validation tech stack. It's imperative to ensure we are keeping our domains and infrastructure healthy. **What do you dislike about ZeroBounce?** We do not use ZeroBounce for anything other than the email validation and we're happy with it. We honestly do not have any dislikes with the email validation feature. **What problems is ZeroBounce solving and how is that benefiting you?** Protecting our domain health and infrastructure from spam trap, abusive, and do not mail emails ### 25. The service is very economical, stable, and efficient. **Rating:** 5.0/5.0 stars **Reviewed by:** Daniel R. | Marketing Digital Junior, Small-Business (50 or fewer emp.) **Reviewed Date:** September 10, 2025 **What do you like best about ZeroBounce?** The service is very economical, stable, and effective. It has a very high effectiveness in the results, its platform is very easy to use, not much knowledge is needed to use it. Recommended from personal experience. **What do you dislike about ZeroBounce?** To use the API, it is not very easy to access; you need to have good knowledge to be able to access that part. **What problems is ZeroBounce solving and how is that benefiting you?** I have too many clients whose email is no longer active, and this tool helps me see to whom I keep sending advertising without incurring a greater expense. **Official Response from Corina Leslie:** > Thank you very much for your review, Daniel! We are glad to know that ZeroBounce is economical, stable, and effective for you, and that it helps you keep your campaigns cleaner and more effective. We also appreciate your comment about the API and we continue working to make the experience increasingly simpler. ### 26. Its useful for validating Emails, we have a good use for it. **Rating:** 5.0/5.0 stars **Reviewed by:** Philippe T. | Small-Business (50 or fewer emp.) **Reviewed Date:** January 19, 2026 **What do you like best about ZeroBounce?** Its easy, I pay for my credits I validate emails, very simple **What do you dislike about ZeroBounce?** Its a great tool for what it does, I have no problems with it. One thing is maybe exports do not live forever and I can't access reports I paid for a few years a go for example. **What problems is ZeroBounce solving and how is that benefiting you?** Validate Emails at scale before emailing customers ### 27. Effortless Setup and Outstanding Support **Rating:** 5.0/5.0 stars **Reviewed by:** Christopher T. | CTO, Small-Business (50 or fewer emp.) **Reviewed Date:** December 02, 2025 **What do you like best about ZeroBounce?** Easy to setup and great support. Ran into a couple snags but chat was very quick to respond. **What do you dislike about ZeroBounce?** The free plan is a little limiting but thankfully we're a smaller business so it allowed us work with it. **What problems is ZeroBounce solving and how is that benefiting you?** Avoiding spam traps and filters. ### 28. Quick, Reliable, and Easy to Use **Rating:** 5.0/5.0 stars **Reviewed by:** Sara L. **Reviewed Date:** December 05, 2025 **What do you like best about ZeroBounce?** I like the speed and accuracy of the analyses conducted by ZeroBounce. Additionally, it has good contact segmentation, not just identifying valid or invalid emails. The dashboard is also very easy to understand. I value the peace of mind that comes with being able to do email marketing without tarnishing our reputation. The initial setup was super simple. **What do you dislike about ZeroBounce?** I like everything **What problems is ZeroBounce solving and how is that benefiting you?** I use ZeroBounce for database cleaning and validation. It gives me peace of mind when doing email marketing without tarnishing our reputation. ### 29. Accurate and fast email verification **Rating:** 5.0/5.0 stars **Reviewed by:** Leigh H. | CEO, Small-Business (50 or fewer emp.) **Reviewed Date:** December 17, 2025 **What do you like best about ZeroBounce?** Super fast, accurate email addresses with minimal bounce rates plus the catch all email scoring. Also, the Email Finder is a great feature along with things like the warm up too. **What do you dislike about ZeroBounce?** Not sure, really isn't anything. It does what I am looking for, which is accurate email address verification. **What problems is ZeroBounce solving and how is that benefiting you?** Reducing bounce rates in cold email campaigns. We need consistently accurate email addresses and we need to be confident of this, which ZeroBounce does. ### 30. Easy to use and very reliable **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Publishing **Reviewed Date:** January 26, 2026 **What do you like best about ZeroBounce?** Zerobounce has a great UI and dashboards. We rely on the integration component to help keep our email list clean going above and beyond what our ESP provides. Generally, our ESP has a toxic list, will respond to bounces etc. but the abuse risk and easy catchall filtering is really handy for segmentation. **What do you dislike about ZeroBounce?** What counts as an invalid address is a little too sensitive. Zerobounce often marks valid addresses invalid because they are DuckDuck Go domains, for example. **What problems is ZeroBounce solving and how is that benefiting you?** Keeping our list clean and ensuring that deliverability stays high for us. ### 31. Email Validation Success **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Financial Services **Reviewed Date:** January 15, 2026 **What do you like best about ZeroBounce?** It's super easy to use and works quickly. It's proven effective in improving our Email Health Score on Mailgun. **What do you dislike about ZeroBounce?** Wish it was a little more obvious where to get your lists from the dashboard. **What problems is ZeroBounce solving and how is that benefiting you?** We were originally using a mailing platform that will not be named. This platform had an email validation function, but we could not make use of it due to glitches. ZeroBounce came to the rescue at a great price. Our email health scores are back to 100 percent, we look forward to validating all of our leads with ZeroBounce going forward. ### 32. ZeroBounce Is My Favorite Email Cleaning Service **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** February 02, 2026 **What do you like best about ZeroBounce?** Ease of use. Affordable credits. Able to do one email or my whole list all at one time. **What do you dislike about ZeroBounce?** I have no complaints. It does what I need it to do. **What problems is ZeroBounce solving and how is that benefiting you?** It helps me keep my email account in good health so I can keep my open rate high. ### 33. Exceptionally Helpful and Reliable **Rating:** 5.0/5.0 stars **Reviewed by:** Raam K. | Senior Marketing Ops Specialist, Computer Software, Mid-Market (51-1000 emp.) **Reviewed Date:** December 29, 2025 **What do you like best about ZeroBounce?** Best Tool in the Market. It's not an miracle zerobounce is the market leader. **What do you dislike about ZeroBounce?** No Cons from End. Perfect tool for any business **What problems is ZeroBounce solving and how is that benefiting you?** Email Validation. Email Scoring ### 34. Reduced Email Bounces to Near Zero **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Business Supplies and Equipment **Reviewed Date:** January 06, 2026 **What do you like best about ZeroBounce?** ZeroBounce eliminated nearly all of the invalid emails from my marketing lists. They helped protect my online email reputation. **What do you dislike about ZeroBounce?** Since I started using ZeroBounce I haven't found any downsides so far. **What problems is ZeroBounce solving and how is that benefiting you?** My database of email contacts was rather dated. ZeroBounce allowed me to eliminate the old, invalid emails from my marketing lists so that I now get virtually zero bounces. ### 35. ZeroBounce Performance **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Alternative Medicine **Reviewed Date:** January 14, 2026 **What do you like best about ZeroBounce?** ZeroBounce has given me better and cleaner results than other services I’ve used. We saw fewer bounces right away, and the interface is simple with very fast turnaround. Solid tool for marketing email list cleaning. **What do you dislike about ZeroBounce?** Credits are consumed quickly if you run frequent cleanings or multiple passes on the same list. **What problems is ZeroBounce solving and how is that benefiting you?** verifying emails for email marketing ### 36. Easy to use, administer, great customer support **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer Software **Reviewed Date:** January 27, 2026 **What do you like best about ZeroBounce?** Just getting started, but I like the ease of use and the customer support in getting up and running. I also like the many different verification capabilities in addition to email validation. **What do you dislike about ZeroBounce?** I haven't found any yet, but I'm just getting started. **What problems is ZeroBounce solving and how is that benefiting you?** We just migrated to a new CRM so ZeroBounce is extremely helpful in making sure we are starting with a valid email database and are successful in warming up our deliverability. They are also helping us with setting up appropriate domains for overall email health. ### 37. ZeroBounce makes email validation simple and dependable **Rating:** 5.0/5.0 stars **Reviewed by:** Jim C. | Lead Evaluator, Small-Business (50 or fewer emp.) **Reviewed Date:** November 30, 2025 **What do you like best about ZeroBounce?** ZeroBounce is a reliable, easy-to-use email validation platform that has made list cleaning and deliverability a lot simpler and more predictable for campaigns. The combination of accurate bulk verification, real-time API checks, and integrations with common tools means less time worrying about bad data and more time focusing on results. **What do you dislike about ZeroBounce?** Zero Bounce just works, there is nothing to dislike **What problems is ZeroBounce solving and how is that benefiting you?** I confirms client emails are current, with the upswing in people changing jobs, confirming emails are accurate is important **Official Response from Corina Leslie:** > Thanks for taking the time to review ZeroBounce, Jim. It's wonderful hearing that it's reliable, easy-to-use and that there's nothing you dislike about our service. We're so glad you understand the importance of email validation. We look forward to serving you for years to come! ### 38. ZeroBounce Helped Us Save Our Sender Reputation and Increase Deliverability Score **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** July 07, 2025 **What do you like best about ZeroBounce?** What I like best about ZeroBounce is how reliable and detailed their email validation results are. It's not just a simple valid/invalid check - you get rich data points like whether an address is a spam trap, a role-based email (like info@ or support@), or a catch-all domain. That level of insight is a game changer, especially when you're prepping lists for cold email campaigns where every bad email can hurt your deliverability. **What do you dislike about ZeroBounce?** What I dislike or more accurately, what I think could be improved, about ZeroBounce is the way credits are consumed. Sometimes, especially with large lists that contain a lot of catch-all domains or unknown statuses, it feels like you’re burning through credits without always getting clear, actionable results. I get that some of this is due to limitations on how certain domains respond, but it would be great to have more flexible pricing or credit usage around those ambiguous results. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce is solving one of the biggest pain points in cold outreach: email deliverability. Before we started using it, we had issues with high bounce rates, spam complaints, and even a few close calls with domain reputation damage. ZeroBounce helps us clean our lead lists before we even think about hitting send - filtering out invalid, spam trap, abuse, and role-based emails that would otherwise hurt our campaigns. **Official Response from Corina Leslie:** > Thank you for the thoughtful and detailed review! We're so glad ZeroBounce has helped protect your sender reputation and improve deliverability, especially for your cold outreach efforts. That’s exactly the kind of impact we strive to make. We also appreciate your feedback on credit usage with catch-all and unknown results. Please know that we only charge credits to determine whether an email is a catch-all, but we do not charge for unknown results. Thanks again for being with us and for helping us improve along the way! ### 39. ZeroBounce is an excellent tool for businesses looking to maintain clean and accurate email lists. **Rating:** 5.0/5.0 stars **Reviewed by:** Priyaanshu P. **Reviewed Date:** October 24, 2025 **What do you like best about ZeroBounce?** I like ZeroBounce’s accuracy, speed, and ease of use. It cleans email lists efficiently, improves deliverability, and provides insightful reports. Excellent customer support and strong security add great value. **What do you dislike about ZeroBounce?** don’t have any dislikes about ZeroBounce. The platform works smoothly, delivers accurate results, and offers excellent customer support. It consistently meets expectations and provides great value for email validation. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce helps solve the problem of inaccurate or invalid email addresses. It identifies and removes bounced emails, spam traps, abuse emails, and other risky contacts from your email list. This ensures that your campaigns reach real, engaged users. **Official Response from Corina Leslie:** > Thank you for your review, Priyaanshu! We’re thrilled to hear ZeroBounce has delivered the reliability you need. Thank you for your trust and kind words about our support team! ### 40. I've cleaned lists with ZB and 3 other platforms... by far, ZB gives me the cleanest lists **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Education Management **Reviewed Date:** February 12, 2026 **What do you like best about ZeroBounce?** Clean lists with little to no bounces across multiple industries **What do you dislike about ZeroBounce?** Much more spendy than other options, but I save money in burned domains due to dirty lists. **What problems is ZeroBounce solving and how is that benefiting you?** Protecting my cold emil domains from being burned from sending outreach to bad emails. ### 41. Fast Setup, Effective Email Validation **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer & Network Security | Small-Business (50 or fewer emp.) **Reviewed Date:** November 03, 2025 **What do you like best about ZeroBounce?** I find ZeroBounce incredibly easy to set up, which was a major reason I chose it over other vendors. The support team is very responsive and quick, making initial setup a breeze. I use ZeroBounce primarily for email validation, which it performs effectively and at a reasonable price, allowing me to complete my email lists efficiently. The integration with Clay.com is seamless, and the platform's ease of use stands out significantly. I'm so satisfied with ZeroBounce that I plan on continuing to use their services and would enthusiastically recommend it to others, as indicated by my high likelihood of recommendation score. **What do you dislike about ZeroBounce?** Nothing i dislike right now. website could have more info... **What problems is ZeroBounce solving and how is that benefiting you?** I use ZeroBounce for easy email validation, which helps me complete my lists at a reasonable price. **Official Response from Corina Leslie:** > Thank you for your review! We’re so glad to hear ZeroBounce has been easy to set up and works seamlessly with Clay. We appreciate your feedback about adding more information to the website and are thrilled you’d recommend us. ### 42. Super easy to use. I love that they give you flexible options instead of locking you into a plan. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Real Estate **Reviewed Date:** November 24, 2025 **What do you like best about ZeroBounce?** What I like best about ZeroBounce is how simple the platform is and how fast the verification reports are delivered. I also appreciate the flexibility—no forced monthly plan, just pay for what you need. **What do you dislike about ZeroBounce?** I honestly don’t have any real dislikes. I still get a few bounces here and there, but it’s nothing compared to what I would receive without using ZeroBounce. **What problems is ZeroBounce solving and how is that benefiting you?** It helps maintain my email reputation so my messages land in customers’ inboxes instead of their spam folders. **Official Response from Corina Leslie:** > Thank you for the great feedback. We're glad the platform feels simple and fast, and that the flexible credits fit your needs. A few bounces can still happen, but your results should stay strong with our 99.6% accuracy. It's wonderful to hear ZeroBounce is helping protect your sender reputation. If you ever need anything, we're here for you. ### 43. I am pleased with ZeroBounce results . Their services help me Land in Prospect's inbox . **Rating:** 5.0/5.0 stars **Reviewed by:** Dany Adel K. | Inside Sales Lead, Small-Business (50 or fewer emp.) **Reviewed Date:** February 09, 2026 **What do you like best about ZeroBounce?** A group of feature like email verifcation , email warmup and many other features under 1 subscription . **What do you dislike about ZeroBounce?** Nothing so far everything is top notch!! **What problems is ZeroBounce solving and how is that benefiting you?** It's helping me keep my emails warmed up so i can land in my prospect's inboxes . ### 44. Very helpful to us **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** December 04, 2025 **What do you like best about ZeroBounce?** The automation of our list validation processes in Klaviyo. Keeps us from emailing new subscribers who mistyped their email or otherwise submitted a bad email when buying or requesting info. The grading system on our emails is helpful because we use it for generating segments for our email marketing. **What do you dislike about ZeroBounce?** nothing so far has been a problem. I am very satisfied. **What problems is ZeroBounce solving and how is that benefiting you?** poor sender reputation for email, which hurts deliverability. This has helped our deliverability increase greatly. **Official Response from Corina Leslie:** > It’s great to hear that the automation with Klaviyo is streamlining your list validation and helping you avoid emailing mistyped or invalid addresses. Knowing the grading system is useful for building your segments is equally encouraging, since stronger segmentation often leads to better engagement. We appreciate you sharing that everything has been working smoothly. Feedback like yours helps us understand where we’re meeting expectations. Improving deliverability and strengthening sender reputation are core goals for many customers, so it’s wonderful to know you’re seeing a meaningful lift. Keeping your messages reaching the inbox is exactly what we want for you. ### 45. Fast and easy way to screen emails, and check syntax issues, and guess correct emails. **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Financial Services **Reviewed Date:** January 21, 2026 **What do you like best about ZeroBounce?** The ease of use, fast turnaround times, and comprehensive details provided. **What do you dislike about ZeroBounce?** When individual email screening there is no greylisted email double scanning. (Eg. when screening excel lists there is a mention of greylisted emails detected - wait 8 mins). **What problems is ZeroBounce solving and how is that benefiting you?** Helps us clean our contact database, and find out new correct emails. ### 46. Very happy with the service and the support given **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** January 27, 2026 **What do you like best about ZeroBounce?** Easy to use with an intuitive UI, the integrations and more **What do you dislike about ZeroBounce?** sometimes the limits. But I understand that validation of the emails is complicated **What problems is ZeroBounce solving and how is that benefiting you?** I was suffering for some campaigns of a client of a difficult niche, and most of the time the email was the only option. ### 47. Best Source **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Real Estate **Reviewed Date:** December 08, 2025 **What do you like best about ZeroBounce?** Validation of abuse and gray mail other like spam trap abusers extra category **What do you dislike about ZeroBounce?** just started using zero bounce, let you know in latter period. **What problems is ZeroBounce solving and how is that benefiting you?** The Source's Reply: = A Bounce (Damages your domain reputation).​ ZeroBounce's Answer: = A Validation Status (Safe, allows you to delete the bad email before you send).​ By using ZeroBounce, you get the information you need (is this email valid?) without triggering the negative "reply" that hurts your deliverability. **Official Response from Corina Leslie:** > We’re glad you’re finding value in the validation of abuse, gray mail, and high-risk categories like spam traps. Identifying these addresses before sending is an important step in protecting sender reputation. Thank you for sharing your early experience. As you continue using ZeroBounce, we’re always here if questions come up or if you’d like help getting the most out of the platform. It’s great to hear that the distinction between bounces and validation statuses is helping you prevent harmful sends. Giving you clear insight into whether an email is safe before you send is exactly how we help protect deliverability. ### 48. Game changing since using Zero Bounce **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Online Media **Reviewed Date:** January 03, 2026 **What do you like best about ZeroBounce?** Our deliverability has sky rocketed over the last few weeks since verifiying our leads with Zero Bounce. **What do you dislike about ZeroBounce?** Honestly I haven't found anything I dont like, the service is exceptional, the interface is very user friendly, and it was quick to get started and get my first list of verified mails. **What problems is ZeroBounce solving and how is that benefiting you?** We've gone from email bounces regularly to bouncing barely ever. ### 49. For Cold Email Campaigns It's Perfect **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Construction **Reviewed Date:** October 20, 2025 **What do you like best about ZeroBounce?** Mostly the quality and the speed. I use it for Cold Email Campaigns, and I never have a single email bounce back. **What do you dislike about ZeroBounce?** I can understand that for beginners it might be a bit expensive, and that makes the first step a bit harder to get it, but once you have it you'll see it's worth it. **What problems is ZeroBounce solving and how is that benefiting you?** For me simply qualifying and verifying emails. I get all my clients from cold email so having a service that can verify every email before I reach out to it immensely helps, and saves all my domains I'm sending emails from. **Official Response from Corina Leslie:** > Thank you for your review! We’re thrilled to hear ZeroBounce has helped you keep your cold email campaigns bounce-free and your domains protected. We appreciate your note on pricing. If you’re looking for more value, you may want to explore ZeroBounce ONE, our subscription that includes all of our tools in one plan: https://www.zerobounce.net/zerobounce-one Thanks again! ### 50. ZeroBounce Improves email deliverability and protects my domain **Rating:** 5.0/5.0 stars **Reviewed by:** Richard Q. | Principle Partner, Small-Business (50 or fewer emp.) **Reviewed Date:** April 19, 2025 **What do you like best about ZeroBounce?** I've used my customer list for about five years. Maybe longer. I validate it through ZeroBounce to remove invalid email addresses. Their process of uploading my list is simple and the results are fast. **What do you dislike about ZeroBounce?** Some of the services are not clearly explained, for instance, email warmup. I read their website material but still I need to speak with a representative to understand what it is more clearly. I think the author assumes that everyone knows what they do. **What problems is ZeroBounce solving and how is that benefiting you?** My list of over 5years periodically needs cleaning to reduce the number of bounces. There are a high number of invalid emails every month. For 8+ months I've had periodic email issues where my Microsoft email bounces from long time clients. My domain provider support engineers stated that it is not the domain that is causing the issue. ZeroBounce provides an online domain test that pointed out two Domain issues (one critical) within minutes! Today I provided it to my domain provider support engineers and hope it guides them to resolution. **Official Response from Corina Leslie:** > Thank you so much for the feedback, Richard! We've passed it along to our content team so they can revise the wording and make email warmup easier to understand for everyone. Nice job on cleaning those invalid emails and keeping your reputation strong! Please reach out whenever you need us -- we're available for you 24/7. ## 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?page=3§ion=pricing&secure%5Bexpires_at%5D=2026-07-24+11%3A03%3A14+-0500&secure%5Bsession_id%5D=ac7eae1d-8c92-4b8f-9ab7-54863dad5cc5&secure%5Btoken%5D=29515cf0608439cadf77c6a847da37422ae3ba09a7bb1c218089a0aa457bd5f5&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) - [Apollo](https://www.g2.com/products/apollo-2023-01-11/reviews) - [Apollo.io](https://www.g2.com/products/apollo-io/reviews) - 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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 - Proactive Assistance - Decision Making ## Top ZeroBounce Alternatives - [Reoon Email Verifier](https://www.g2.com/products/reoon-email-verifier/reviews) - 4.8/5.0 (1,011 reviews) - [Clearout.io](https://www.g2.com/products/clearout-io/reviews) - 4.6/5.0 (552 reviews) - [Bouncer](https://www.g2.com/products/bouncer/reviews) - 4.8/5.0 (337 reviews)