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OpenGuardian vs. Hunter Email Verifier: Which Email Verifier Fits Your Team?
Hunter is best known as an email-finding tool, with verification as a secondary feature. OpenGuardian is built for verification first — deeper checks, faster responses, and broader detection of disposable and spam-trap addresses.
Comparison Table
| Feature | OpenGuardian | Hunter Email Verifier |
|---|---|---|
| Verification Types | Syntax, MX, SMTP, disposable, role-based, spam-trap, catch-all | Syntax, MX, SMTP, disposable, role-based |
| Real-time API Latency | <300ms avg | <600ms avg |
| Pricing Model | Flat monthly tiers | Monthly subscription with request limits |
| Free Tier Size | 1,000 checks, no card required | 25 verifications / month (free plan) |
| Integrations | Zapier, Segment, Webflow, API, SDKs (Node, Python, PHP, Go) | API, Zapier, native CRM integrations |
Choose OpenGuardian if...
- • Verification depth is your primary need, not email finding
- • You need spam-trap risk scoring on every check
- • Your team wants SDKs for Node, Python, PHP, or Go
- • You want a larger free tier to test at real traffic levels
Choose Hunter if...
- • You need an all-in-one email finding and verification tool
- • Your primary workflow is lead generation, not list cleaning
- • You are already using Hunter for prospecting and want verification bundled in