How Labyrinth Digital Reduces Bounce Rates

The problem: bot-driven bounce rates as high as 60%

Across three e-commerce clients, Labyrinth Digital started noticing something unusual. Bot activity was flooding checkout flows with fake or low-quality email addresses.

The impact showed up quickly in the data.

On average, bot-driven bounce rates hovered around 35%. In one case, abandoned checkout emails hit a staggering 60% bounce rate.

This wasn't just a dip in performance. It was a threat to deliverability and one of the most important revenue channels in Klaviyo.

And the obvious fixes came with trade-offs.

Adding a CAPTCHA could slow down checkout and hurt conversions. Limiting abandoned cart emails to subscribers only meant sending fewer emails and leaving revenue on the table.

Labyrinth Digital needed a way to filter out bad emails instantly, without changing the checkout experience.

Validating emails in real time with ZeroBounce

Instead of adding friction at checkout, Labyrinth Digital built a way to catch bad emails before they could do any damage.

By connecting Klaviyo, Zapier, and ZeroBounce, the team set up a real-time validation flow that runs automatically as customers enter their email.

Here's what that looks like in practice:

• When a shopper starts checkout, the email enters the flow
• Zapier sends it to ZeroBounce for validation
• ZeroBounce checks the address and returns its status
• Invalid emails are filtered out before they ever reach the campaign

The entire process happens instantly, with no extra steps for the customer.

"We chose ZeroBounce because of the pricing and its ability to integrate with Klaviyo. The webhook setup made it easy to implement without changing the customer experience."

Atlanta Bonnom, Marketing Director, Labyrinth Digital

ZeroBounce's flexible pricing also made it easy to scale this approach across multiple client accounts.

Bounce rates dropped to zero

It didn't take long to see the impact.

"We saw an immediate drop! We were able to send approximately 30% more cart emails compared to the aggressive filtering methods otherwise required."

Atlanta Bonnom, Marketing Director, Labyrinth Digital

Before implementing ZeroBounce, bot activity was driving average bounce rates of around 35% in abandoned checkout flows. In one client account, that number climbed as high as 60%.

After rolling out real-time validation across three client accounts, bounce rates dropped to 0%.

BeforeZeroBounce

15%

Bounce Rate

AfterZeroBounce

1%

Bounce Rate

Instead of restricting abandoned checkout emails to subscribers only, Labyrinth Digital can now safely send emails to more shoppers without risking deliverability.

This goes a long way towards protecting reach, improving inbox placement, and preserving revenue from e-commerce automations.

ZeroBounce keeps bad data out without slowing anything down

For Labyrinth Digital, the win wasn't just lower bounce rates. They needed a way to solve the problem without affecting the customer experience.

Speed mattered. So did simplicity.

With email validationⓘ running automatically in the background, the team no longer has to worry about bad data slipping into their flows. They can focus on strategy, not cleanup.

When asked about using ZeroBounce, Bonnom puts it simply:

"It was a good experience with performance and customer service."

With bounce rates under control and deliverability protected, Labyrinth Digital can scale abandoned checkout programs with confidence, without worrying about bot-driven issues getting in the way.

Clean data protects e-commerce revenue

Labyrinth Digital's experience isn't unique.

E-commerce brands of all sizes deal with bot-driven list pollution. Invalid, disposable, abuse, and risky email addresses can quietly damage sender reputation and reduce inbox placement.

These contacts often include:

• Invalid emails: Addresses that don't exist
• Disposable emails: Temporary addresses used for one-time submissions
• Abuse emails: Users who frequently mark messages as spam
• Spam traps: Recycled addresses designed to catch senders with poor list hygiene

Real-time email validationⓘ helps stop these issues at the source. It protects your abandoned checkout flows, your deliverability, and ultimately, your revenue – especially in platforms like Klaviyo, where deliverability directly impacts revenue.

The cleaner your data, the more reliable your email performance.

With ZeroBounce ONE, teams can manage the entire email workflow in one place – from validation to warm-up and blacklist monitoring – and keep campaigns performing at every stage.