Hunter
Operator: Hunter Web Services, Inc., United States
Marketing and sales platform for finding and verifying business email addresses and conducting email outreach.
People & Identity
Product
Sales and marketing platform for contact research and email outreach
Availability and source date
Active
As of: 15 October 2026.
No functionality test has been performed.
Use in OSINT research
Helps associate business contact addresses and their public sources with a company domain.
Queries
| Input | Result | Result type |
|---|---|---|
| Domain / website | Domain Search displays publicly found business email addresses with sources. | Retrieved |
| Domain / website | Domain Search also labels email addresses inferred from address patterns. | Derived |
| Person name + Domain / website | Email Finder returns a publicly found address with sources. Requires a name and company domain. | Retrieved |
| Person name + Domain / website | If no public result is found, Email Finder infers an address from the company's pattern and checks it technically. Requires a name and company domain. | Derived |
| Email address | Email Verifier returns a technical verification status for the email address. | Technical check according to provider |
Features
- Finds business email addresses for a domain using Domain Search.
- Finds or infers addresses from a name and company domain using Email Finder.
- Performs technical email address checks using Email Verifier.
- Displays addresses and sources for the website being visited through the browser extension.
- Automates personalised emails and follow-ups using Sequences.
- Searches for companies and business contacts using Discover.
Categories
- People & Identity
- Email search
Coverage
Dataset
Public web pages containing business contact details; also addresses inferred from company patterns.
Access
Requirements
Free account required for the platform; individual Verifier queries are also possible without signing in.
Export
CSV export of contacts found.
Provider
Hunter Web Services, Inc.
Country of establishment
United States
Interfaces
API
Available. API for company search, Domain Search, Email Finder, Email Verifier, data enrichment, leads and email sequences.
MCP
Available. Official remote MCP server. Included in all Hunter plans without an additional MCP fee; uses existing credits.
AI agents
Available. Connects to Claude, ChatGPT, Gemini and other MCP-compatible applications. AI agents can find, verify and enrich contacts through MCP or the API.
Usage note
Abusive or excessively frequent API queries may lead to suspension; a competing service requires Hunter's written consent.
Legal note
Limitations
- No search for personal Gmail, Yahoo or Hotmail addresses, and no email search through social media profiles.
- Inferred addresses are not publicly sourced findings.
- A technical email check does not establish a person's identity.
Guides and practical reports
Official · Hunter Starter Guide
Ziemek Bućko · 04/2025 · EN
Explains Domain Search, Email Finder, Email Verifier, contact management and email campaigns.