MailStackDB
33+ Tools ReviewedUpdated March 2026Independent & Unbiased

Hunter.io

Email finder and verifier for B2B prospecting.

4.4
freemiumFounded 2015
Best for B2B prospectingBest for sales teams

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Hunter.io Review

Hunter.io is a email finder and verifier for b2b prospecting. It is one of the leading tools in the email verification space, designed for B2B prospecting, sales teams. Key features include Email verifier included, analytics, HubSpot, Salesforce, Zapier, Email Finder API, team features. Hunter.io has built a strong reputation for reliability and performance in the cold email infrastructure ecosystem. The platform is well-suited for teams that need B2B prospecting capabilities without sacrificing deliverability or ease of use. Whether you are scaling an outreach operation or optimizing an existing one, Hunter.io provides the tools and infrastructure to do it effectively. Hunter.io integrates with popular tools in the cold email stack, making it easy to fit into existing workflows. The pricing is competitive for the feature set offered, and the platform is regularly updated with new capabilities based on user feedback. For teams evaluating email verification solutions, Hunter.io is worth serious consideration. It balances features, pricing, and usability in a way that works for both beginners and experienced cold email operators.

Hunter.io Pricing

Free

$0/mo
  • 25 searches
  • 50 verifications

Starter

$49/mo
  • 500 searches
  • 1,000 verifications

Growth

$149/mo
  • 5,000 searches
  • 10,000 verifications

Features

FeatureStatusDetails
Email Warmup
SMTP Rotation
Inbox Rotation
Email VerificationEmail verifier included
A/B Testing
Analytics
CRM IntegrationsHubSpot, Salesforce, Zapier
API AccessEmail Finder API
Team Features
Deliverability Monitoring
Spintax Support
Subsequences
Lead DatabaseDomain search, email finder
Unified Inbox
Custom Tracking Domain

Pros & Cons

Pros
  • Excellent email finder
  • Free tier (25 searches/mo)
  • Clean API
  • Chrome extension
  • Domain search
Cons
  • Limited to email finding/verification
  • No sending platform
  • Credits run out fast

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Email finder and verifier for B2B prospecting.