Bouncer Email Verifier Review: Features, Pricing, Pros and Cons in 2024

lemlist team
April 10, 2024
7 min.

Bouncer is an email verification tool that helps you detect (un)deliverable emails so you can decrease your bounce rate and avoid spam.

But, with many other email verification tools on the market, does Bouncer have all it takes to meet your specific outreach goals? Will you get value for your money using Bouncer?

In this review, we concluded that Bouncer is a great third-party tool for everyone with a lower budget who’s okay to use a 3rd party tool to clean an email list.

On the other hand, if you want to centralize your outreach efforts to save time and money, you might consider alternatives such as lemlist, which allows you to find, verify, contact, and convert leads in one spot.

Discover what the best choice for your business is as we guide you through Bouncer's overview, core features, pros & cons, pricing, and why so many users choose lemlist instead.

Why do you need an email verification service?

An email verification service is essential for maintaining the hygiene and effectiveness of your outreach campaigns. Here's why:

  1. Reduce Bounce Rates: It helps filter out invalid or non-existent email addresses, reducing bounce rates and improving email deliverability.
  2. Protect Sender Reputation: By ensuring emails are sent only to valid addresses, it protects your sender reputation, which is crucial to staying out of spam.
  3. Enhance Engagement: By reaching valid users, it improves engagement rates, ensuring your messages are seen by qualified leads.
  4. Save Costs: It prevents wasting resources on undeliverable emails, optimizing your outreach budget.
  5. Compliance and Security: Helps comply with anti-spam laws and protects your campaigns from being flagged as spam.

In short, an email verification service is a critical tool for anyone looking to run efficient, effective, and compliant outreach campaigns!

Bouncer overview

What is Bouncer

Bouncer is an email verification and deliverability platform recognized for its ease of use, strong security measures (SOC 2 and GDPR compliant), and high performance.

It was founded in 2017 with a focus on improving human-to-human email communication.

Bouncer offers both list and API verification with a zero downtime policy and can verify up to 200,000 emails per hour per customer.

It includes features such as an email toxicity check and a deliverability kit to help users improve their overall email deliverability.

It’s widely used by both enterprise and SMB segments and offers a wide range of integrations with marketing automation, email marketing, and sales tools.

Bouncer ratings

  • G2 - 4.8/5 (223 reviews)
  • Capterra - 4.9/5 (205 reviews)

Who is the Bouncer for

Bouncer is mostly used by Sales teams, Marketing Agencies, Enterprises, SaaS, and many more.

What are Bouncer deployment options

Bouncer offers the following deployment options:

  • Cloud
  • Saas
  • Web-based

On-premise Windows or Linux aren’t supported.

On which platforms is Bouncer supported

Users can access Bouncer from various devices, including desktop computers, laptops, tablets, and smartphones, as long as they have a compatible web browser and internet access.

What are supported Bouncer integrations

Bouncer directly Integrates with the most popular tools, like:

  • Brevo
  • GetResponse
  • AWeber
  • Mailchimp
  • Moosend
  • Constant Contact
  • ConvertKit
  • Woodpecker
  • Hubspot
  • Klaviyo
  • and more

What’s the level of Bouncer support

Bouncer offers the following support options:

  • Chat
  • Email/Help Desk
  • Knowledge base
  • FAQ/Forum

Does Bouncer offer API

Bouncer offers a real-time email verification API, perfect for instantly validating single emails, and is especially handy for website sign-ups.

You can use it to determine the type of email entered (organizational, disposable, free) and its validity.

Use it as a robust bulk email verification service, allowing up to 500,000 emails for batch verification and verifying up to 100,000 emails per hour.

To obtain your API key, navigate to the API section within your Bouncer dashboard:

What are Bouncer training options

You can get Bouncer training through:

  • Live Online sessions
  • Documentation
  • Videos
  • Webinars

Core features and functionalities

Efficient Email List Verification with Bouncer

Bouncer offers a straightforward drag-and-drop interface for verifying email lists of up to 250,000 addresses. It identifies valid, disposable, and risky emails, enhancing campaign deliverability and saving resources.

Predictive Bounce Rate Insights

Bouncer's unique feature predicts potential bounce rates using a proprietary algorithm, enabling informed decisions on which emails to retain for improved campaign outcomes.

Complimentary Email List Quality Assessment

With Bouncer's free email verification sampling, users can gauge their list's quality through random sample analysis, identifying the necessity for a full cleanup without upfront costs.

Data Security Commitment

Bouncer ensures data protection with GDPR compliance, EU-based data centers, and optional data deletion after 60 days, relying on secure infrastructure akin to Amazon AWS and Netflix.

Developer-Friendly Email Verification API

The Bouncer Email Verification API provides flexible, secure, and high-performance email validation and verification solutions designed to seamlessly integrate with IT infrastructures.

Email Verification Integrations

Bouncer enhances email marketing efforts by easily integrating with popular marketing tools, helping to improve bounce and engagement rates through better list management.

Toxicity Check for Email Lists

Identify harmful email addresses, including those from breaches or potential spam traps, to protect your sender reputation and campaign effectiveness.

Comprehensive Deliverability Kit

Bouncer's deliverability kit tests inbox placement, verifies authentication, and monitors blocklists to ensure optimal message delivery.

How To Use Bouncer

Step 1: Sign Up or Log In

  1. Go to Bouncer's website: Open your web browser and navigate to the official Bouncer website (
  2. Create an account or log in

Step 2: Navigate to the Email Verification Section

Once logged in, you'll be taken to the dashboard. Look for a section or a button labeled "Email Verification", "Verify Emails", or something similar. This is usually straightforward and visible on the dashboard.

Step 3: Upload Your Email List

  1. Prepare your email list: Ensure your email list is in the correct format, typically CSV or Excel file. Make sure it's clean and formatted correctly (usually, emails should be in one column if you're using a spreadsheet).
  2. Upload your file: Click on the "Upload" button or a similar option to select your email list file from your computer. You might also have the option to drag and drop your file.

Step 4: Start the Verification Process

After uploading your list, there should be a button to start the verification process.

The Bouncer will then begin to verify the email addresses on your list. This process can take some time, depending on the size of your list.

Step 5: Download the Results

Once the verification process is complete, you'll typically be notified (sometimes via email or directly on the dashboard).

You'll then have the option to download the results:

  • Deliverable - these emails are safe to send.
  • Undeliverable - these emails don’t exist and you should never send emails to any address with this status.
  • Risky - behind this status, you will find emails that are disposable, set up as Catch_all, or with a full mailbox - they may result in a bounce or low engagement.
  • Unknown - The Bouncer was unable to receive a response from the email provider. Therefore, you will not be charged for this verification.

✅ Pros

Accuracy and Performance

  • Exceptional Coverage: Ability to verify email addresses across various providers, including deep verification for catch-all Google Workspace and Office365, with low unknown results (0.3-3%).
  • High Performance: Capable of verifying up to 200,000 emails per hour per customer with generous rate limiting.
  • Reliable and Secure: Adheres to a zero downtime policy and is SOC2 ready, ensuring reliability and security.

Pricing and Support

  • Competitive Pricing: Offers great value with the option for pay-as-you-go, catering to both small and large volume needs.
  • Extensive Support: Provides robust documentation, FAQs, videos, and a responsive customer care team, making it user-friendly and supportive.

User Experience and Integration

  • Simplified User Interface: Features a simple, intuitive UI that makes it easy and clear to use.
  • Easy Integration: Bounce can be easily integrated with other marketing software, enhancing workflow and efficiency.

Data Management and Compliance

  • Automatic Data Deletion: Automatically deletes data after 60 days, ensuring privacy and compliance.
  • GDPR Compliant: Adheres to GDPR requirements, adding an extra layer of trust and security.

Customer Satisfaction

  • Responsive Customer Care: Users highlight the unreal capability of verifying catch-all emails and the responsiveness of the customer support team.
  • Ease of Use: Bouncer is praised for its simplicity and efficiency, especially for first-time users, making email list verification effective and straightforward.

❌ Cons

Usability and Performance Issues

  • Intermittent Failures: Occasional issues with the tool not completing the verification process, though not frequently.
  • Response Times: Some users report slow response times, attributing it partly to impatience.
  • Outdated User Interface: The user interface is considered somewhat outdated by some users.

Functionality and Integration Limitations

  • Limited Detail for Free Verification: Free email verification offers only basic information and lacks detailed insights.
  • Limited Detail on Risky/Undeliverable Addresses: Users desire more detailed explanations for emails marked as 'Risky' or 'Undeliverable'.
  • Limited Integrations: A need for more integrations with other apps and tools to enhance usability and effectiveness.

User Experience and Interpretation Challenges

  • Confusing Outcome Spreadsheet: The verification results spreadsheet can be confusing and not as intuitive or user-friendly as desired.
  • User Error Confusion: Some users attribute issues to their own mistakes, indicating potential areas for improving guidance and error messaging.

Specific Functional Concerns

  • Valid Emails Rejected: Issues with the tool rejecting valid email addresses from certain domains (e.g.,, suggesting room for improvement in accuracy.


Bouncer pay-as-you-go rates

  • 1,000 – 4,000 verified emails $0.0080/email
  • 5,000 – 9,000 verified emails $0.0070/email
  • 10,000 – 49,000 verified emails $0.0060/email
  • 50,000 – 99,000 verified emails $0.0050/email
  • 100,000 – 249,000 verified emails $0.0040/email
  • 250,000 – 499,000 verified emails $0.0030/email
  • 500,000 – 999,000 verified emails $0.0025/email
  • 1,000,000 – 2,499,000 verified emails $0.0020/email
  • 2,500,000 → Contact sales

Email verification monthly plans

→ Apprentice - $50/month

< 10k email verifications

→ Adept - $200-625/month

50k - 250.000 email verifications

→ Master - $1000/month

500k email verifications +

  • multi-organisational set-up

→ Custom

1,000,000 email verifications +

  • multi-organisational set-up
  • custom processing set-up
  • custom agreements
  • dedicated account manager

What's the best Bouncer alternative

While Bouncer offers robust features that help verify emails and avoid spam, lemlist's Email Finder and Verifier goes a step further and helps you centralize your entire lead-generation process.

Bouncer specializes in verifying email addresses, while lemlist also offers tools for finding email addresses and automating personalized email outreach campaigns, in addition to solely verifying emails to improve deliverability.

Thanks to the waterfall enrichment method, Email Finder and Verifier combines the best third-party data sources to give you 40-55% more valid emails than other tools on the market.

This is the equivalent of asking 6 different providers for up-to-date leads’ information without navigating and subscribing to multiple apps.

Once you have your new leads imported into your lemlist campaign, it takes just a few clicks to enrich them!

For each lead, the app will:

  • Clean the first name and last name
  • Extract and save relevant available information from the lead's LinkedIn profile
  • Retain the best email we found from multiple providers
  • If available, save additional information such as phone number, civility, job title, and other relevant details

P.S. If you’re exporting up to 300 leads, you can enrich them directly through the lemlist Chrome extension and get over 80% of valid emails and leads' clean information.

And to keep your email deliverability high and avoid the spam folder forever, each lemlist user gets access to lemwarm - email warm-up and deliverability booster.

In each lemlist plan, including a free trial, you will get free credits to enrich your leads!

→ Find your leads’ verified info for free!

P.S. For each paid lemlist seat, you'll get access to a lemwarm email warm-up and deliverability booster to ensure avoiding landing in spam forever.

After months of tests with 20k+ users, lemwarm offers the right deliverability strategy based on each user’s goals and email characteristics, which makes it the most complete warm-up and deliverability tool on the market.

You'll be able to:

Frequently Asked Questions (FAQ)

Is your data safe with Bouncer?

Bouncer prioritizes data security, ensuring GDPR compliance. It anonymizes all data and stores it in EU-based AWS data centers, providing a high level of data protection.

Can I use bulk verification in Bouncer?

Yes, Bouncer supports bulk verification, offering efficient list cleaning and email verification through its API, enabling extensive and precise email validation.

How user-friendly is Bouncer?

Bouncer has a user-friendly interface and seamless integration capabilities, making it accessible to users with different technical expertise.

How does Bouncer verify Emails?

Bouncer employs a comprehensive verification process, including syntax checks, DNS and MX record verification, SMTP connection tests, and proprietary AI algorithms for accurate results.

How can I verify bulk email addresses for free?

Bouncer allows free verification of up to 100 email addresses, offering insights into email validity, issues, and deliverability without cost.


With real-time email verification, bulk services, and reputation management, Bouncer is a great solution for companies that are good to have a 3rd party tool for verification purposes.

After comparing Bouncer and lemlist features, we recommend lemlist as the better alternative if you want to centralize your entire lead gen process and find, verify, contact, and convert prospects in the same platform.

It’s an all-in-one outreach solution that gives you access to 450M+ leads and their verified emails that you can import into multichannel campaigns and follow up on auto-pilot!

→ Try a 14-day free lemlist trial here

lemlist team
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Multichannel Expert

/ MO
Per user / 5 SENDING EMAIL
Everything in Email Pro
Email finder + verifier (500 credits/mo)
500 free credits per month
Linkedin prospection
LinkedIn voice notes
with Aircall
Cold calling prospection with Aircall
with Aircall
Advanced campaign conditions
Custom landing page
Premium support chat

Outreach Scale

/ MO
Per user / 15 SENDING EMAIL
Everything in Multichannel Expert
Email finder + verifier (1,000 credits/mo)
1000 free credits per month
Dedicated account manager (4+ seats)

More than 10 users?

Multichannel Expert

/ MO
Per user / 5 SENDING EMAIL
Everything in Email Pro
Email finder + verifier (500 credits/mo)
500 free credits per month
Linkedin prospection
LinkedIn voice notes
with Aircall
Cold calling prospection with Aircall
with Aircall
Advanced campaign conditions
Custom landing page
Premium support chat

Outreach Scale

/ MO
Per user / 15 SENDING EMAIL
Everything in Multichannel Expert
Email finder + verifier (1,000 credits/mo)
1000 free credits per month
Dedicated account manager (4+ seats)

More than 10 users?

Multichannel Expert

/ MO
Per user / 5 SENDING EMAIL
Everything in Email Pro
Email finder + verifier (500 credits/mo)
500 free credits per month
Linkedin prospection
LinkedIn voice notes
with Aircall
Cold calling prospection with Aircall
with Aircall
Advanced campaign conditions
Custom landing page
Premium support chat

Outreach Scale

/ MO
Per user / 15 SENDING EMAIL
Everything in Multichannel Expert
Email finder + verifier (1,000 credits/mo)
1000 free credits per month
Dedicated account manager (4+ seats)

More than 10 users?

What you should look at next

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