B2B contact database plus sales engagement and AI prospecting platform.
Hunter.io
AI Sales, Outreach & Lead GenHunter.io is an email finding and verification tool that searches by domain or person and returns addresses with confidence scores. It also includes a B2B lead database (Discover), lead lists, and Campaigns for sending sequences from Gmail, Outlook or SMTP accounts. It is used by marketers, recruiters, SDRs and link builders.
Pricing
Hunter.io pricing
Free plan (50 credits/mo); paid from $34/mo billed yearly ($49 monthly) Starter
Last checked September 2026 · Confirm on hunter.io
Features
What Hunter.io does
- Domain Search and Email Finder
- Email Verifier with bulk verification
- Discover B2B lead database with intent signals
- Campaigns with automated follow-ups from connected inboxes
- AI Writing Assistant for cold emails
- Chrome extension and Google Sheets add-on
Pros
- Accurate email finding and verification
- Free plan with monthly credits
- Unlimited team members on all plans
- Simple to learn
Cons
- No email warm-up or inbox rotation
- No phone numbers and no LinkedIn steps
- Connected email accounts capped per plan
- Campaign features are basic compared with dedicated senders
Fit
Who Hunter.io is for
Look elsewhere if: Teams running multichannel or high-volume cold outreach should look at lemlist, Instantly or Smartlead.
For teams & enterprise
Enterprise readiness
DPA included in the Terms of Use (signed copy on request); main servers on Google Cloud in Belgium. No SOC 2 claim found.
- Business / enterprise plan
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- SSO (SAML / OIDC)
- —
- SCIM user provisioning
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- SOC 2
- —
- ISO 27001
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- HIPAA (BAA available)
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- GDPR DPA
- Yes
- Data residency options
- EU (default)
- No training on your data
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- Audit logs
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- Admin controls
- —
- Deployment
- Cloud
From the vendor's own security documentation (trust center). "—" = not confirmed. Verify during your security review. Compare all tools.
| Sales & Outreach feature checklist | |
|---|---|
| B2B contact database | Yes |
| Email sequences | Yes |
| Email warm-up | No |
| Unlimited sending accounts | No |
| LinkedIn steps | No |
| Built-in CRM | Lead lists only |
| AI personalization | Yes |
| Dialer / calling | No |
| Email verification | Yes |
Hunter.io compared
- Hunter.io vs Apollo.io
- Hunter.io vs Instantly.ai
- Hunter.io vs HubSpot
- Hunter.io vs lemlist
- Hunter.io vs Smartlead
- Hunter.io vs Reply.io
- Hunter.io vs Seamless.AI
- Hunter.io vs Clay
Buying guides
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