Hunter.io
The original email finder tool trusted by 4 million users. Specializes in domain-based email search, email verification, and cold email campaigns with a simple credit-based pricing model and powerful API.
Sales professionals and marketers who need reliable email finding with built-in verification and a straightforward credit-based pricing model
Our Verdict
The original email finder tool trusted by 4 million users. Specializes in domain-based email search, email verification, and cold email campaigns with a simple credit-based pricing model and powerful API.
Rating Breakdown
Why Trust This Review
Our team has spent 40+ hours hands-on testing Hunter.io across real-world scenarios. We follow a rigorous methodology with weighted scoring criteria. Our reviews are editorially independent and never influenced by affiliate partnerships.
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Pros & Cons
Pros
- Industry-leading API quality for integrating email finding into custom tools
- Simple, transparent credit-based pricing model
- Built-in cold email campaigns with automated follow-ups
- Google Sheets add-on enables bulk operations directly in spreadsheets
- Strong domain search reveals all emails associated with a company
Cons
- Free plan limited to just 25 searches per month
- Does not find phone numbers or mobile contacts
- LinkedIn integration is less robust than competitors like Lusha
- Confidence scores can be inconsistent for smaller companies
Full Review
Overview
Hunter.io (formerly Email Hunter) is one of the most established email finder tools on the market, trusted by over 4 million professionals. Founded in 2015, it focuses on finding and verifying professional email addresses through domain search, individual email finding, and bulk operations.
Key Features
Hunter's Domain Search lets you find all email addresses associated with a company domain, complete with confidence scores and sources. The Email Finder takes a name and domain to locate specific individuals. The Email Verifier checks deliverability through SMTP verification.
Cold Email Campaigns
Hunter includes a built-in cold email tool that lets you create personalized outreach campaigns with automated follow-ups. You can connect Gmail and Outlook accounts directly, track opens and clicks, and manage replies from a unified inbox.
Chrome Extension
The browser extension displays email addresses while browsing any website or LinkedIn profile. It shows confidence scores and verification status, letting you quickly find contacts without leaving your browser.
API & Integrations
Hunter offers a robust API for integrating email finding and verification into your own tools. It also integrates natively with HubSpot, Salesforce, Pipedrive, and Zapier. A Google Sheets add-on enables bulk operations directly in spreadsheets.
Pricing
The free plan includes 25 searches and 50 verifications per month. Starter at $49/month provides 500 searches and 1,000 verifications. Growth at $149/month offers 5,000 searches. Scale at $299/month includes 10,000 searches and priority support.
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Frequently Asked Questions
Hunter.io uses a confidence scoring system for each email found. Emails with high confidence scores (above 90%) are generally very reliable. The platform also includes an email verification tool that checks SMTP deliverability, syntax, and domain status for additional accuracy.
No, Hunter.io is focused exclusively on email addresses. If you need phone numbers in addition to emails, consider alternatives like Lusha, RocketReach, or Apollo.io that provide multi-channel contact data.
Yes, Hunter.io offers a free plan with 25 email searches and 50 email verifications per month. You can also connect 1 email account for sending cold email campaigns to up to 500 recipients.
Written by
Sarah has spent 10+ years in marketing technology, working with companies from early-stage startups to Fortune 500 enterprises. She specializes in evaluating automation platforms, CRM integrations, and lead generation tools. Her reviews focus on real-world business impact and ROI.
Co-written by
Marcus has spent over a decade in SaaS integration and business automation. He specializes in evaluating API architectures, workflow automation tools, and sales funnel platforms. His reviews focus on implementation details, technical depth, and real-world integration scenarios.
Final Verdict
Hunter.io scores 9.2/10
With a score of 9.2 out of 10, Hunter.io is an exceptional tool that leads the market. It’s particularly well-suited for Sales professionals and marketers who need reliable email finding with built-in verification and a straightforward credit-based pricing model.