Real results from real customers

case-studies

How SaaS teams, agencies, and growth marketers used VerifiSaaS to reduce bounces, improve deliverability, and protect their sender reputation.

98.7% Verification accuracy

50M+ Emails verified

~70% Avg. bounce reduction

SaaS Startup

How a B2B SaaS reduced bounce rate from 8.2% to 0.6%

A 200-person SaaS company was seeing ESP account warnings due to a degraded list. After one bulk verification pass, bounce rate dropped by 93% and sender score recovered within 2 weeks.

8.2% → 0.6% Bounce rate

18% → 34% Open rate

62 → 91 Sender score

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Marketing Agency

Agency cleans 150,000 cold outreach contacts in under 10 minutes

A growth agency running cold email campaigns for clients used VerifiSaaS bulk verification to clean their master prospect list. Reply bounce rate dropped from 4.1% to 0.4% on the next campaign send.

150K → 112K safe List size

4.1% → 0.4% Reply bounce rate

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E-commerce

E-commerce brand improves inbox placement by 40% with API integration

After integrating the VerifiSaaS API at checkout, an e-commerce brand reduced post-purchase email bounces and improved their ESP sender score — all without manual list management.

72% → 97% Inbox placement

3.8% → 0.2% Bounce rate

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