ZeroBounce
Email verification and deliverability toolkit for list hygiene.
Best for
- Teams protecting sender reputation
- Companies with large legacy lists
Not best for
- Very small lists with infrequent sends
What is ZeroBounce?
ZeroBounce validates email addresses before you send: catch-all detection, abuse/spam-trap flags, and activity data, plus deliverability tooling (inbox placement testing).
Key Features
- 99% accuracy verification with catch-all scoring
- Inbox placement tester
- API for real-time verification at signup
Pros and Cons
Pros: accurate results; solid API; pay-as-you-go friendly.
Cons: costs add up on very large lists.
Sources checked
- ZeroBounce pricing page — freemium credits and paid options (checked August 23, 2026)
Pricing
- Model
- Credits
- Starting price
- Free plan; pay-as-you-go above that
- Free trial
- Yes
- Pricing verified
- August 23, 2026 — SaaS pricing changes; confirm on vendor site