Customer Stories | BounceZero
Real results from real teams

Teams That Stopped Bouncing

From solo developers to marketing agencies - see how BounceZero helps teams protect sender reputation and keep lists clean.

Start Free
94%
Avg. bounce rate reduction
3.8h
Saved per campaign clean
6
Published case studies
$0.0022
Per email at scale

Featured Stories

How different teams use BounceZero to protect their sending infrastructure.

Cold Outreach

"We were seeing 12% bounces on cold outreach. After running our list through BounceZero, we dropped to under 1.5%. Our domain reputation recovered within two weeks."

Marcus T.
Growth Lead - B2B SaaS startup, 40-person team
12% > 1.5% bounce rate
CRM Integration

"The bulk upload API integration took our developer 2 hours to wire up. Now every new contact we import gets validated before it hits our CRM. Zero bounces in 3 months."

Sophie L.
Marketing Director - E-commerce brand, 200K subscriber list
0 bounces in 3 months
Agency Use

"As an agency managing 30+ client accounts, we needed something credit-based with no monthly commitment. BounceZero's model is perfect - we buy credits when we need them."

Rafiq A.
Agency Owner - Digital marketing agency, 30+ clients
30+ client lists cleaned
Cold Email Agency

"Our reply rates went from 1.2% to 3.8% almost overnight. Turns out 53% of our list was dead weight - disposables, catch-alls, and straight-up invalid addresses. BounceZero found them all."

James O.
Director - Cold email agency, 12-person team
38% > 91% inbox placement rate
E-commerce

"Klaviyo was flagging us for high bounce rate. We cleaned 180K emails through BounceZero over a weekend. Our bounce rate dropped from 5.3% to 0.4% and the flag was lifted within 10 days."

Amira K.
Head of Retention - DTC skincare brand, 180K subscribers
5.3% > 0.4% bounce rate
SaaS Product

"We added BounceZero's API to our sign-up flow. Fake and disposable email registrations dropped by 91%. Our onboarding metrics got 30% cleaner and our customer success team stopped wasting time on ghost accounts."

Tom V.
CTO - HR SaaS platform, 14K active users
91% drop in invalid sign-ups

Use Cases

Whatever your email workflow, BounceZero fits in.

Cold Email Outreach

Validate before you send. Protect your sending domain from hard bounces.

CRM Data Quality

Clean imported contacts before they pollute your CRM metrics.

Newsletter Lists

Remove dormant, invalid, and disposable addresses before each send.

Sign-up Validation

API integration on registration forms to block disposables and typos.

Lead Enrichment

Score email quality before routing leads to sales. Focus on the deliverable ones.

Data Broker Resale

Verify purchased lists before use. Don't inherit someone else's bounces.

What Users Say

"Credits never expire - this is the only service I've found that actually means it."

Dev T. - Freelance developer

"The plain-English explanations per email saved us hours of manual research."

Elena M. - Email deliverability consultant

"Set up the Brevo integration in 10 minutes. Runs automatically now."

Karim B. - SaaS founder

"Catch-all detection alone was worth the switch from ZeroBounce."

Priya S. - Marketing ops

"We run 400K emails through BounceZero every month. The API is rock solid - never had a timeout or outage in 6 months."

Lucas F. - Lead generation agency, 8 staff

"Compared 4 services. BounceZero was the only one that caught our ISP catch-alls correctly. That's a huge deal for our B2B lists."

Nadia R. - Revenue ops manager

Ready to stop bouncing?

Start verifying free - 100 credits every month, no card required.

Register Free

Follow BounceZero