Bouncer
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Bouncer Reviews & Product Details

Bouncer Overview

What is Bouncer?

Bouncer - The easiest to use, yet the most powerful E-mail Validation and deliverability Service. Bouncer is a SaaS fortress-like secure (SOC 2 and GDPR compliant) e-mail verification, and deliverability platform trusted by thousands of companies from 6 continents. The platform was founded in 2017 with a simple mission to improve Human 2 Human e-mail communication and help people to get and stay connected via the e-mail channel. Bouncer is a technological leader in the e-mail validation market. Both list and API verification are top-notch mechanisms with a zero downtime policy. The product has the best coverage and high performance (up to 200 000 verified e-mails per hour per customer). To be a more complex solution for both Enterprise and SMB segments, the product has additional features like e-mail Toxicity Check and Deliverability Kit, so users can take care of and improve their deliverability. Bouncer also has a vast integrations library (top Marketing Automation, Email Marketing, or Sales tools). Why should you consider Bouncer as your e-mail validation and deliverability solution? 1. High precision with bias against false negatives - so the customers don’t lose the ability to connect because of the wrong categorization 2. The best coverage - the ability to verify e-mail addresses hosted by different e-mail service providers (even deep catch-all Google Workspace and Office365 verification) with a low amount of unknown results (0,3-3%) 3. High performance - speed of verification and generous rate-limiting. They can quickly check 200 000 e-mails per hour per customer 4. Reliable (zero downtime policy) and Secure - SOC2 ready 5. Complexity simplified - top-notch technological solution with simple and intuitive UI. Features: Super simple to use E-mail Checker & E-mail Verifier Just drag and drop your e-mail list with up to 250k addresses, and let Bouncer's e-mail checker do the job! You will know which e-mails are safe to send, but the app will also detect "accept all" and disposable addresses. Bounce Estimate Verifying your e-mail list is only half the journey. Bouncer knows how tricky it can be to make wise and knowledgeable decisions about which addresses to keep in your contacts lists, especially for “risky” ones. That is why Bouncer, is the only e-mail checker that gives you the information on what you may expect after sending your campaign. By using our proprietary algorithm and analyzing your whole list, it will calculate how many of them may bounce back. Free Email Verification Sampling Bouncer allows you to test the quality of your list without actually verifying it – completely free of charge. Based on a randomly selected sample of your list, Bouncer will tell you if your list is fine or if you will need to clean it. This will help you reduce the time and cost of verifying lists that are safe to send. Data safety Bouncer are fully GDPR compliant by design, their data centers are located in EU territory, and the submitted e-mails are hashed (anonymized) in all parts of the system. You can also delete your verification results on demand. Otherwise, we will do it automatically after 60 days. E-mail Verification and Validation API Bouncer E-mail Verification API is a simple yet powerful way to enhance your IT solution with the most precise and high-performing e-mail validation and verification capabilities. Multiple endpoints both synchronous and asynchronous will meet your most sophisticated e-mail verification needs. As it is super secure and robust, you and your customer's data are safe. Toxicity Check You can Identify if your e-mail list contains any toxic e-mail addresses, e.g., widely circulated or breached ones, or those belonging to complainers or litigators or potential spam traps. Deliverability Kit Check if your message gets to the inbox. Test your inbox placement across many e-mail providers, verify your authentication, monitor blacklists, and get alerted when something bad is happening. Bouncer Shield Real-time protection tool for online forms that keeps data clean and safe by blocking invalid, malicious, or fraudulent email addresses as soon as they’re entered. This is Bouncer!

Bouncer Details
Languages Supported
German, English, Italian, Chinese (Simplified)
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Product Description

Bouncer is an email verification SaaS founded in 2017. We’re a small team of passionate and experienced people (and silverback gorilla, Winston), gathered together to bring you the most intelligent email verification. We believe that by providing robust and powerful email verification, we are able to secure uninterrupted communication between Talents and Skills with The Needs. Therefore our ultimate goal is to enable our clients to maintain undisturbed communication with their customers.


Seller

Bouncer Sp. z o.o.

Description

Bouncer provides an email verification service that helps businesses clean their email lists and improve email deliverability by identifying and removing risky addresses.

Overview Provided by:
Helping humans to connect and stay connected via Email.

Bouncer Integrations

(10)
Integration information sourced from real user reviews.

Recent Bouncer Reviews

Michael S.
MS
Michael S.Small-Business (50 or fewer emp.)
1.0 out of 5
"Simple, affordable but poor communication."
Bouncer is refreshingly simple and straightforward to use, even for first-time users. The interface is intuitive, the verification results are easy...
Verified User
U
Verified UserSmall-Business (50 or fewer emp.)
5.0 out of 5
"Effective and convienient tool"
I use Bouncer periodically for verifying and checking emails. I found it quite relible and easy to use. The pay per use credit system is very conv...
Verified User
A
Verified UserSmall-Business (50 or fewer emp.)
5.0 out of 5
"Nice tool for email verification"
Clean user interface with fast, reliable email verification.

Bouncer Media

Bouncer Demo - Why Bouncer?
Why Bouncer?
Bouncer Demo - Email Verification
Bouncer Email Verification
Bouncer Demo - Bounce Estimate
Bouncer Bounce Estimate
Bouncer Demo - Results
Bouncer Results
Bouncer Demo - Bouncer - API
Bouncer Email Verification API
Bouncer Demo - Toxicity Check
Bouncer Toxicity Check
Answer a few questions to help the Bouncer community
Have you used Bouncer before?
Yes

279 Bouncer Reviews

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279 Bouncer Reviews
4.8 out of 5
279 Bouncer Reviews
4.8 out of 5

Bouncer Pros and Cons

How are these determined?Information
Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
Pros
Cons
G2 reviews are authentic and verified.
NE
Director
Small-Business(50 or fewer emp.)
More Options
Validated Reviewer
Verified Current User
Review source: Organic
What do you like best about Bouncer?

We do a tremendous amount of online outreach marketing, especially email...sometimes stone cold email. The trap is, of course, risking your domain's reputation. I keep it real and always use one of my two business domains. Risky, yes, but with Bouncer's help, I stay out of Email Jail. I literally sterilize all my leads through Bouncer every time I run a campaign. I even run my HubSpot Marketing Contacts through Bouncer quarterly to ensure they're still good, valid and not toxic. Anyone who emails should use Bouncer it is cheap insurance...and most importantly it keeps my bounce rates super low! Review collected by and hosted on G2.com.

What do you dislike about Bouncer?

I really don't have downsides to Bouncer. It does what I need it to do, the interface is simple and logical, it tell's you the good and bad, and it's economical. It is a great app...what more can I say. Review collected by and hosted on G2.com.

What problems is Bouncer solving and how is that benefiting you?

It is simple. It keeps my bounce rate very low and prevents me from outreach to toxic email addresses Review collected by and hosted on G2.com.

RG
VP - Sales & Marketing
Small-Business(50 or fewer emp.)
More Options
Validated Reviewer
Verified Current User
Review source: Organic
What do you like best about Bouncer?

Bouncer excels at one critical function — email verification — delivering consistent and reliable results. Its accuracy is impressive, even when processing large, diverse email lists, effectively flagging invalid, risky, and role-based addresses to help us make informed decisions before campaign launches. The platform is user-friendly, with a streamlined process and clear, actionable reporting that avoids unnecessary complexity. Integration was straightforward, allowing us to implement real-time verification via API seamlessly into our existing workflows. While Bouncer focuses primarily on verification, the features it provides are practical and well-executed, directly contributing to improved deliverability rates and safeguarding our sender reputation. Review collected by and hosted on G2.com.

What do you dislike about Bouncer?

While Bouncer delivers strong core email verification capabilities, there are areas for improvement. The level of detail provided in some verification results—such as those labeled “unknown” or “risky”—can be insufficient, making it challenging to confidently determine next steps. From an ease-of-use perspective, the platform could better accommodate non-technical users by offering more customizable reporting and additional integration options beyond API access. Currently, integration largely requires technical knowledge, which may limit usability for some teams. These enhancements would broaden the tool’s accessibility and overall value. Review collected by and hosted on G2.com.

What problems is Bouncer solving and how is that benefiting you?

Bouncer addresses the critical challenge of maintaining a clean and valid email database, which is fundamental to any successful email marketing strategy. By accurately identifying invalid, risky, and role-based email addresses before campaigns are launched, it significantly reduces bounce rates and minimizes the risk of damaging our sender reputation. This proactive verification process ensures that our outreach efforts reach genuine prospects, improving overall engagement and campaign ROI. Additionally, by preventing the waste of resources on undeliverable addresses, Bouncer helps streamline our marketing operations and enhances data hygiene across the board. Review collected by and hosted on G2.com.

Anweshak T.
AT
Co-founder
Small-Business(50 or fewer emp.)
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Validated Reviewer
Verified Current User
Review source: Organic
What do you like best about Bouncer?

What I like best about Bouncer is its speed, accuracy, and transparency. It consistently delivers high-quality verification results without bloating the workflow — clean UI, fast processing, and clear risk indicators. We use it for monthly credits.

What really stands out is how reliably it flags catch-all domains and greylisted addresses, which helps maintain our sender reputation and deliverability across campaigns.

The set-up is easy and customer support is responsive. It’s lightweight, efficient, and easy to integrate — exactly what you need when running high-volume outreach at scale. Review collected by and hosted on G2.com.

What do you dislike about Bouncer?

What I dislike about Bouncer is the limited depth of enrichment beyond basic verification.

While it's excellent for validating email deliverability, it doesn’t provide much additional context on the contact or domain, such as company metadata or role insights — which would be useful when prepping for outbound personalization.

Also, more native integrations with CRM and outreach tools would streamline workflows further. Review collected by and hosted on G2.com.

What problems is Bouncer solving and how is that benefiting you?

Bouncer helps us solve one of the most critical problems in outbound email: maintaining sender reputation by ensuring we only contact valid, deliverable email addresses.

By filtering out invalid, disposable, and risky emails, Bouncer significantly reduces our bounce rates and protects our domain and IP reputation. Review collected by and hosted on G2.com.

LC
Product & Marketing Manager
Small-Business(50 or fewer emp.)
More Options
Validated Reviewer
Verified Current User
Review source: Organic
What do you like best about Bouncer?

I use Bouncer on a monthly basis to keep my mailing list updated. and it's a very useful and efficient tool to clean up mailing lists as it quickly points out risky or dangerous e-mails, allowing to only add safe e-mails and easing the whole process. The customer support is also quite efficient.

When downloading the reviewed list you have access to the information, and I am able to quickly clean up unwanted or risky e-mails, preventing adding those to your regular mailing list, CRM or other software. Easy to use, implement and gain feedback, since I have started using it I have never looked back. Review collected by and hosted on G2.com.

What do you dislike about Bouncer?

Nothing. I am happy with the tool and the overall process. Review collected by and hosted on G2.com.

What problems is Bouncer solving and how is that benefiting you?

I am able to add only the contacts that are safe to my usual e-mail marketing campaigns, preventing adding unsafe or risky contacts to my company's database. Review collected by and hosted on G2.com.

Christopher F.
CF
Founder
Small-Business(50 or fewer emp.)
More Options
Validated Reviewer
Verified Current User
Review source: Organic
What do you like best about Bouncer?

I use Bouncer as part of the signup process for one of my SaaS products. It was a charm to integrate, is fast, and I love the fact that I buy credits over a monthly subscription which is perfect for an early stage company like mine. The result is far less (none?) fake accounts, users trying actually have purchasing intent, and I find users are more content as they see us as professional when being strict about type of email required for signup. My onboarding email open rates are way better than I’ve ever had before. Review collected by and hosted on G2.com.

What do you dislike about Bouncer?

Nothing that I dislike so far and don’t expect there’s anything in the future either. Review collected by and hosted on G2.com.

What problems is Bouncer solving and how is that benefiting you?

Bouncer helps me avoid fake or temporary accounts and keep the costs of my email service as low as possible with a high quality audience. Review collected by and hosted on G2.com.

Eduardo R.
ER
Psicólogo
Mental Health Care
Small-Business(50 or fewer emp.)
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Validated Reviewer
Verified Current User
Review source: Organic
What do you like best about Bouncer?

I've been using this email verifier recently, and it’s been incredibly helpful in improving the quality of my mailing list. It accurately identifies invalid or risky email addresses, helping me reduce bounce rates and increase engagement. The interface is easy to use, and the results are fast and reliable. Highly recommended for anyone managing email campaigns or newsletters! Review collected by and hosted on G2.com.

What do you dislike about Bouncer?

One thing that could be improved is the reporting section — it would be great to have more detailed analytics or export options. Review collected by and hosted on G2.com.

What problems is Bouncer solving and how is that benefiting you?

It’s a reliable and efficient tool that has helped me clean and validate my email lists with ease. Since I started using it, I’ve noticed a significant drop in bounce rates and an improvement in email deliverability. The platform is user-friendly, the verification process is fast, and the results are clearly presented. Review collected by and hosted on G2.com.

JS
President
Small-Business(50 or fewer emp.)
More Options
Validated Reviewer
Verified Current User
Review source: Organic
What do you like best about Bouncer?

Easy and accurate way to verify the validity of email addresses. Review collected by and hosted on G2.com.

What do you dislike about Bouncer?

I have no issue with Bouncer but there are some email server types that for which all emails are accepted and the email cannot be verified. Review collected by and hosted on G2.com.

What problems is Bouncer solving and how is that benefiting you?

I am a recruiter and constantly researching potential candidate and hiring managers' contact information. My research sometimes produces conflicting information or no information at all. Bouncer allows me to validate the deliverability of each email address before i embark on a marketing campaign. It also helps me identify which email format is correct for hiring manager profiles on LinkedIn that work for companies with multiple formats or determine if their profile is out of date when no format works. Bouncer is affordable and works quickly. Review collected by and hosted on G2.com.

IF
Web Developer
Small-Business(50 or fewer emp.)
More Options
Validated Reviewer
Verified Current User
Review source: Organic
What do you like best about Bouncer?

I was struggling with newsletter sending issues on Brevo, and Bouncer turned out to be exactly what I needed. I used their tools to validate my mailing lists and removed all the risky email addresses they flagged. After that, everything started working smoothly. No more blocks or delivery problems.

Highly recommended if you're having trouble with email deliverability or want to clean up your contact lists before sending. Review collected by and hosted on G2.com.

What do you dislike about Bouncer?

Maybe the price could be a little lower. Review collected by and hosted on G2.com.

What problems is Bouncer solving and how is that benefiting you?

Bouncer helped me solve a recurring and frustrating issue I had with my newsletter campaigns on Brevo. My emails were often being blocked or flagged due to poor deliverability, and I realized that my mailing lists probably contained invalid or risky email addresses. Review collected by and hosted on G2.com.

Raj L.
RL
CEO
Mid-Market(51-1000 emp.)
More Options
Validated Reviewer
Verified Current User
Review source: Organic
What do you like best about Bouncer?

Bouncer is very helpful and useful for our agency. Since the day we bought this we have had extremely minimum bounce rate and the email verification feature makes it more convenient for the user to check the email of the client and make sure that the bounce rates are minimum and the list is clean. Review collected by and hosted on G2.com.

What do you dislike about Bouncer?

As of now nothing I have been using since last one year and am happy with the tool. Review collected by and hosted on G2.com.

What problems is Bouncer solving and how is that benefiting you?

Bouncer has made it quite simple and easy for our agency to keep the email list clean as we now have verified emails only and exclude the bad email from the list after verifying from the bouncer verifier. My email delivery rate has increased and keep improving. Review collected by and hosted on G2.com.

Michael S.
MS
Global Business Development Executive
Small-Business(50 or fewer emp.)
More Options
Validated Reviewer
Verified Current User
Review source: Organic
Rating Updated ()
What do you like best about Bouncer?

Bouncer is refreshingly simple and straightforward to use, even for first-time users. The interface is intuitive, the verification results are easy to understand, and the platform integrates smoothly with other tools in our email outreach workflow. It’s also very affordable compared to similar tools, which makes it a great option for teams or individuals managing high-volume email campaigns. I’ve had a great experience so far and plan to continue using it regularly. Review collected by and hosted on G2.com.

What do you dislike about Bouncer?

The system itself has not been a problem but the communication with Bouncer is non-existent, having been ignored for nearly 2 weeks. Review collected by and hosted on G2.com.

What problems is Bouncer solving and how is that benefiting you?

It was worked brilliantly to reduce the bounce rate and ensure older data sets are clean before prospecting Review collected by and hosted on G2.com.