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Verify emails via list or real-time API Supercharge your email program with an email verification tool you can trust

Over 150,000 Senders Trust Kickbox

Expose Problems with Your Email Lists

*Ensure 99% of your emails reach your customers. Verify your email list and integrate our real-time email verification API. Quickly verify your email list to eliminate bounces. Improve campaign performance and inbox placement. Drag and drop your list into our interface or import directly from your ESP. Kickbox works with your favorite ESPs and marketing tools. No matter your workflow, we have an in.

Gain actionable insights by uncovering the health of your opt-in email lists to reduce bounces, protect your sender reputation, and reach more high-quality subscribers

Simply drag and drop your email list or import directly from your favorite marketing tools.

Build an Ironclad Database From the Start

Prevent missed opportunities and increase your email ROI by connecting our real-time API wherever you collect email addresses online Virtually eliminate hard bounces from fake, mistyped, or invalid email addresses

How much can you reclaim in lost opportunities by using Kickbox?

Potential $ Lost without Kickbox:

Uncover Your Inbox Performance.

What Our Customers Say

• "If you rely on email marketing as a source of traffic and revenue, it is imperative that you are acquiring valid email addresses
• Kickbox is a cost-efficient way to help you do that
• You set it and forget it and reap the benefits of a healthy email list
• " Isamar Batista VP of Marketing & CRM at Shoedazzle
• "We integrated the Kickbox API into our platform to give our users the option to only accept registrants using their work email
• It was a long-requested feature that would’ve potentially created a few headaches had we implemented it ourselves
• " Thibaut Davoult Growth Engineer at Livestorm Read Case Study
• “The Kickbox integration has given our team the ability to verify prospect data in real time, saving us hours of manual effort
• What’s more, Kickbox provided us with a reliable safeguard against sending messages to invalid email addresses, significantly increasing campaign engagement and preserving our sender reputation
• ” Aubrey Morgan Digital & Lifecycle Marketing at Mulesoft Read Case Study
• "After testing Kickbox’s list and API features against our existing email verification vendor, I found that Kickbox provided more detailed and accurate results, as well as more fair and up-front pricing
• I felt like I had been leaving money on the table using the previous tool
• " James Lamb Senior Email Program Manager The Kickbox network is built upon an ecosystem of billions of email signals and trusted data sources ensuring more than 99% of your emails reach your customers

Trust and Data Protection

Kickbox is fully GDPR-compliant, with verification & support based within the United States & European Union Our commitment to privacy & compliance helps you maintain trust with your subscribers, mailbox providers, & customers

The Sendex™ Score is a unique metric that helps you determine if it’s safe to send

Built and Maintained by Industry Experts

At Kickbox, email success goes beyond technology With unrivaled experience in the anti-spam industry, we’re industry leaders in email deliverability, best practices, compliance, privacy, and more

See why thousands of the world’s largest companies trust Kickbox.