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Kickbox Demo - A look at the Kickbox dashboard
From the Kickbox dashboard, you can easily drag & drop your email list or connect your ESP for seamless email verification.
Kickbox Demo - Kickbox integrates with your favorite marketing tools
With over 25+ native integrations Kickbox makes cleaning your email list effortless. Quickly & securely import/export your lists for verification.
Kickbox Demo - Prevent invalid, fake & mistyped email addresses at the source
Use Kickbox’s email verification API to prevent fake and mistyped anywhere you capture email addresses (account creation, email signups, lead capture forms, mobile apps, e-pos system, etc.)
Kickbox Demo - Customer Success Story
The Zebra was able to achieve 98.7% Deliverability by implementing Kickbox real-time email verification
Kickbox Demo - Determine the Quality of Your Email Data with Kickbox Results
Kickbox identifies deliverable, undeliverable, and potentially problematic email addresses from your lists.
How Kickbox Email Verification Improves Email Quality, Prevents Bounces & Stops Invalid Signups
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How Kickbox Email Verification Improves Email Quality, Prevents Bounces & Stops Invalid Signups
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Kickbox Reviews (572)

Reviews

Kickbox Reviews (572)

4.5
572 reviews

Review Summary

Generated using AI from real user reviews
Users consistently praise Kickbox for its ease of use and quick results, making email verification a straightforward task that enhances deliverability. Many appreciate the clear classification of email statuses, which helps in managing lists effectively. However, some users note that the tool occasionally flags valid emails as risky, which can create uncertainty.

Pros & Cons

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Vinutha M.
VM
Software Engineer
Mid-Market (51-1000 emp.)
"Kickbox API: Easy Integration, Reliable Alerts, and Email Details That Help"
What do you like best about Kickbox?

This software is very user-friendly, and its features are easy to understand, even the first time I use it. and the integration of it api was a piece of cake and the details they provide for every email is much use full. i have been using this from past 6 months and haven't faced any problems to contact customer support. the alert mails they send helps a lot to keep the balance updated. overall the implementation of the kickbox api is very easy and reliable. Review collected by and hosted on G2.com.

What do you dislike about Kickbox?

Currently, I don’t see any downsides to the Kickbox API. If I run into any issues in the future, I’ll reach out to customer support. Review collected by and hosted on G2.com.

Michael D.
MD
Content & Email Specialist
Small-Business (50 or fewer emp.)
"Effective, Easy-to-Use Tool for Email List Verification"
What do you like best about Kickbox?

I like that it's simple, straightforward, and effective. When I need to verify an email list, Kickbox helps me do so easily and quickly. Additionally, Kickbox provides a report for every email list that I verify, which is very useful both for me and for communicating results to clients. They make email verification basically frictionless, and since Kickbox offers easy-to-read/understand reports, it's easier to communicate results and show value to my clients. Another thing I really like is their variety of knowledgebase articles that are easy to find and explain email verification in very simple terms. This helps answer my questions and makes it easy to answer my clients' questions. I also used Kickbox's integration with HubSpot, which streamlined the process of verifying lists directly from HubSpot in Kickbox and then quickly getting the verified lists added back to HubSpot. The initial setup was very easy. All I needed to do was create an account, add a payment method, and then I was ready to use Kickbox. Review collected by and hosted on G2.com.

What do you dislike about Kickbox?

For the most part, I haven't had any problems with Kickbox. However, one small nitpick I have is how 'Unknowns' are handled. When you verify an email list, it's possible that Kickbox will be unable to get a valid response from some recipients' mail servers. When this happens, they mark the email as 'Unknown' because they weren't able to verify it. While it's nice that Kickbox will let you re-verify these 'Unknown' email addresses for free, re-verifying these email addresses creates a second, separate report. For a recent verification job, I was initially faced with ~1,300 'Unknowns,' which was a good chunk of my list. So, I had to re-verify these ~1,300 emails several times in order to verify most of them, which led to me having 7 different reports/results for one list. Instead of being able to download all of the results together, I had to download files separately and combine them manually. Perhaps there is a good reason why Kickbox handles re-verifying 'Unknowns' this way, but I find it to add a bit of friction to my job. Review collected by and hosted on G2.com.

Verified User in Non-Profit Organization Management
AN
Small-Business (50 or fewer emp.)
"Great Value for Pre-Send Email Validation with Better Data Visualization"
What do you like best about Kickbox?

Decreasing the number of emails with bad addresses in our org. Review collected by and hosted on G2.com.

What do you dislike about Kickbox?

I thought I was prepared to send my email, but it turns out, we still had 12 hard bounces after I ran all of out emails through Kickbox. We only have 247 contacts, and I was only emailing 80, so 12 is HUGE. On the up side, it was cheaper than Never Bounce, and I think the visualization of the data I got back was better. But there were a lot of emails that were unconfirmed. Review collected by and hosted on G2.com.

Emily H.
EH
Digital Marketing Specialist
Small-Business (50 or fewer emp.)
"Essential for Email Deliverability, Easy to Use"
What do you like best about Kickbox?

I use Kickbox to scan lists for deliverability before importing them into HubSpot. I appreciate that it identifies potential deliverability issues, which helps me keep my bounce rates down on my marketing emails by avoiding sending to addresses that would bounce. I find it easy to use, and I like the clear classification and explanations. Contacts are classified into different levels of riskiness regarding deliverability, and the reasons are explained, which I find helpful. Additionally, the initial setup of Kickbox was very easy. Review collected by and hosted on G2.com.

What do you dislike about Kickbox?

The integration with HubSpot is not very useful. Currently, it can pull in lists from HubSpot, but I don't need to scan these contacts, I will have done so before they entered the platform. What I would like to do is be able to send new contact lists into HubSpot from Kickbox as an import. Review collected by and hosted on G2.com.

SS
"Effortless Email Verification, Reliable Results"
What do you like best about Kickbox?

I appreciate Kickbox's simplicity and accuracy. The interface is easy to use, and the verification results are reliable. The real-time validation is very helpful for preventing bad email entries. It's a smooth, hassle-free tool that just works. The initial setup was very easy, and everything felt intuitive, so we were up and running quickly. We use Kickbox with Salesforce and HubSpot, which helps maintain accurate records, reduce bounce rates, and improve email deliverability. Review collected by and hosted on G2.com.

What do you dislike about Kickbox?

One thing that could be improved is the consistency of the verification results. Occasionally, when I rerun the same email address, Kickbox returns different outcomes, which can make it a bit confusing. Improving result stability and accuracy would make the tool even more reliable. Review collected by and hosted on G2.com.

Brian B.
BB
Senior Marketing Manager
"Effortless Email List Clean-Up with Kickbox"
What do you like best about Kickbox?

I use Kickbox to cleanse my email lists, ensuring my newsletters are sent without interruption. It's simple to use and provides quick results, which I find incredibly valuable. With Kickbox, I've been able to increase my newsletter delivery rates and keep my system from locking up due to too many invalid address sends. I've used it for both large and smaller lists, and it's a convenient tool, especially when dealing with lists that might not have solid contact info. When I first started, I inherited a poorly maintained customer email list and Kickbox helped me quickly cleanse it, eliminating issues with account lockouts and helping me maintain a 99% delivery rate. The initial setup was very easy, and I was able to integrate it with my HubSpot database seamlessly. I also like that I can rely on it to ensure that emails reach the right recipients and maintain high delivery rates. Review collected by and hosted on G2.com.

What do you dislike about Kickbox?

I can't say I have many complaints. I didn't realize there was a whole 'Understanding Results' section and this could have been helpful to know sooner if I knew where to look. Perhaps make it easier to find on the site or as a pop-up option, like a tutorial. Review collected by and hosted on G2.com.

Iain H.
IH
Mid-Market (51-1000 emp.)
"Effortless Email List Cleaning with Kickbox"
What do you like best about Kickbox?

I like that Kickbox's user interface and user experience are very easy to use and simple. It reduces the time it takes to understand the platform, and you can use it straight away without having to learn too much or watch tutorial videos. The initial setup was very easy, and I had no issues at all. Review collected by and hosted on G2.com.

What do you dislike about Kickbox?

It might be able to do better at telling me what else I can use Kickbox for other than cleaning email distribution lists. I'm not aware of doing anything else. It may well do other things and have other features. Review collected by and hosted on G2.com.

Prashaant  L.
PL
Small-Business (50 or fewer emp.)
"Effortless Email Validation, Zero Issues in 5 Years"
What do you like best about Kickbox?

I like Kickbox for email validation, which is my primary requirement for sending bulk emails to my subscribers. I've been using Kickbox for more than five years, and it's never given me any challenges. I also found the setup quite easy; it took us less than thirty minutes to do the entire configuration, and we've been smoothly using it since then. Review collected by and hosted on G2.com.

What do you dislike about Kickbox?

nothing, i am satisfied with kickbox Review collected by and hosted on G2.com.

David P.
DP
Supply Chain Manager
Small-Business (50 or fewer emp.)
"Easy Integration and Great at Catching Typos & Undeliverable Emails"
What do you like best about Kickbox?

It was very easy to integrate, and it does a really good job of weeding out typos and undeliverable addresses. Review collected by and hosted on G2.com.

What do you dislike about Kickbox?

The dashboard doesn't give a bunch of information. It's very simple, which is nice for a general understanding, but I would like to be able to get down and see which emails were categorized how in a given time frame. Review collected by and hosted on G2.com.

RC
President
Small-Business (50 or fewer emp.)
"Kickbox Restored My Deliverability and Protected My Sender Reputation"
What do you like best about Kickbox?

Kickbox helps me keep my sender reputation in good standing. Ever since Google tightened down on email security late last year, a lot of my messages started landing in spam and my deliverability tanked. After I cleaned my list and ran a warm-up sequence that only sent to deliverable contacts, things improved and felt much more stable overall. Review collected by and hosted on G2.com.

What do you dislike about Kickbox?

Nothing at this time of note. Everything has been fairly straightforward and simple. Review collected by and hosted on G2.com.

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