// scorecard · 59/100
verified 1mo agoAgent-readiness20/35
Agent registration (api_key)6/9
Public API5/5
OpenAPI spec0/9
MCP server9/9
llms.txt0/3
Reliability & performance12/15
Actively maintained8/8
Production-ready4/4
Updated recently—
Pricing12/13
Itemized public pricing6/6
Free tier / trial4/4
Free-tier generosity2/3
Docs & DX10/12
Docs quality8/8
Public API2/2
Quickstart / examples—
Security & compliance0/12
SOC 20/6
ISO 270010/2
GDPR0/2
Security / trust page0/2
Openness4/10
Open source0/6
Open / un-gated API4/4
Company maturity0.5/3
Company size0.5/2
Years operating—
// rankings · cost per standard workload
#6 in Enrichment$299/ 10k emails
Scale $299/mo = 25k credits (find 1 + verify 0.5 → 15k for 10k). high
// overview
Hunter.io is a B2B email-finding, verification, and cold-outreach platform for prospecting teams.
Best for: SMBs, startups, agencies, recruiters, and outbound sales/marketing teams that need accurate business email discovery and verification without paying per seat.
// pricing
Free tier · generosity 3/5
Includes: 50 credits/mo (finder + verifier) · 10 AI Discover searches/mo · API + extension, unlimited team members
Limits: no rollover · premium features gated
Starter$34/month
- 2,000 credits per month
- Auto-verification
- Lead enrichment
- Advanced Discover filters
- AI Assistant in Discover
- Connect 3 email accounts
- AI Writing Assistant
- Unlimited team members
- Priority support
Growth$104/month
- 10,000 credits per month
- Auto-verification
- Lead enrichment
- Advanced Discover filters
- AI Assistant in Discover
- Connect 10 email accounts
- AI Writing Assistant
- Unlimited team members
- Priority support
Scale$209/month
- 25,000 credits per month
- Auto-verification
- Lead enrichment
- Advanced Discover filters
- AI Assistant in Discover
- Connect 20 email accounts
- AI Writing Assistant
- Unlimited team members
- Priority support
EnterpriseCustom
- Custom number of credits
- Auto-verification
- Lead enrichment
- AI Assistant in Discover
- Custom number of connected email accounts
- AI Writing Assistant
- Unlimited team members
- Priority support + Account manager
// security & compliance
✗ SOC 2✗ ISO 27001✗ GDPR✗ HIPAA
// features
- Domain Search for company email addresses
- Email Finder by person and company/domain
- Email Verifier with confidence scoring
- Bulk Domain Search, Bulk Email Finder, and Bulk Email Verifier
- Discover B2B company database with filters and AI Assistant
- Signals for intent-style prospect monitoring
- Hunter Sequences for cold email sending, follow-ups, tracking, A/B testing, and reporting
- Saved leads, lead enrichment, CSV export, and team usage controls
- REST API for discover, domain search, email finder, verifier, leads, and sequences
- Browser extensions and Google Sheets add-on
pros
- Transparent pricing with a usable free plan and unlimited seats
- Strong core email discovery and verification workflows
- Public-source transparency and web-sourced data approach
- Good fit for both manual prospecting and API/bulk enrichment
cons
- Email-focused; not a full phone-number/direct-dial sales intelligence suite
- Credit limits can be restrictive for high-volume outbound teams
- Data Platform is yearly/API-bulk focused and excludes Sequences, Signals, and Discover
- Monthly plan credits expire at the end of the billing cycle