Hunter.io Review
Are you assessing top-rated email finder tools for your sales team?
This review and rundown of Hunter.io's pros and cons, features, pricing, and more will help you make an informed decision.

What is Hunter.io?
Hunter.io is a B2B email outreach platform that’s best known for its Email Finder tool. The SaaS platform also assists professionals with lead discovery, cold email outreach, and gathering email and contact data.
Founded in 2015 by Antoine Finkelstein and Francois Grante, the Hunter.io platform has helped over five million users with B2B sales for ten years.
Hunter.io features
Hunter.io aims to be an all-in-one sales and email outreach solution. It attempts this feat by offering the following features and tools.
Hunter.io Email Finder
The SaaS platform is widely known for its email address lookup tool. It offers users the following capabilities:
- Single email search - Enter a person’s full name and domain to begin searching for a valid email address.
- Bulk email search - Upload a list of names and domains to search for multiple email addresses simultaneously.
- Domain search - Enter a company domain, and Email Finder will search for any known email addresses using that name.
- Domain guessing - If you’re unsure of the email domain, you can enter a company name. Email Finder will try to determine the domain associated with the company.
- Address guessing - If Email Finder is unable to locate an email address for the person within its database, it will attempt to use public data sources to approximate the most likely email address.
- Email Finder API - Lastly, Hunter.io Email Finder also provides an API, which allows you to work the tool and its results into your existing platform and workflow.
Email verification
To mitigate email bounces, Hunter.io includes an email verifier alongside its Email Finder. You can switch between the two tools by flipping a toggle.
Similar to Email Finder, the email verifier provides various features, including:
- Single email verification
- Bulk email verificationⓘThe process of determining if multiple email addresses are real and configured to receive incoming email messages.
- Email verification APIⓘAn API, or application programming interface, that allows an email verification tool to connect and communicate with another software application.
Hunter.io verifies email addresses by performing the following:
- Syntax checksⓘAn examination of a text’s format compared to the expected standards. for valid formats
- SMTP pinging
- DNS and MX record checksⓘMX (Mail exchanger). This investigates whether a mail server has an MX record configured to direct incoming emails to the appropriate mail server.
- Disposable domain checks
- Accept-all or catch-all policy checks
Your email addresses are categorized with the appropriate status based on the failure or success of these checks.
Discover - Lead prospecting
Hunter’s Discover tool allows sales reps to search for new contacts using attributes such as
- Company name
- Location
- Industry
- Company size
- Keywords
- Tech usage
- Activity signals (Company updates, hiring callouts, etc.)
The Discover database stores email addresses for various leads. You can also use the Email Finder tool to look for email addresses belonging to discovered companies.
Hunter Campaigns
After you gather and verify your email addresses, the Hunter Campaigns tool assists with writing and delivering your cold email campaigns.
It effectively acts as an all-in-one email delivery system, which lets you
- Write and schedule emails
- Track campaign performance
- Integrate with your CRM or sales pipeline tools
Hunter.io pricing
Hunter.io offers a free trial, which grants you access to the following features for testing:
- Hunter.io Discover
- 25 monthly Email Finder searches
- 50 monthly email verifications
- 1 connected email account
- 500 recipients per campaign
- Integration access
If you’re looking to sign up, Hunter offers three monthly subscriptions to choose from:














You can also contact Hunter.io sales for customizable Enterprise-level plans.
Hunter.io use cases
Hunter primarily benefits any professionals who rely on email. That list of potential users includes the following:
Sales and business development
Thanks to its lead discovery and email-finding capabilities, Hunter is a popular platform for sales, business development reps, and anyone involved in email outreach.
Professionals can scout prospects, verify addresses, and create and send emails from one platform. The platform also integrates with popular sales development tools, such as Pipedrive, Salesforce, or Copper.
Email marketing
Hunter can help email marketers expand their lists. More importantly, it includes an email verifier that helps ensure that your contacts are valid. These features help reduce email bounce ratesⓘThe percentage of emails that are undelivered vs. delivered to the intended recipient. and improve overall campaign performance.
You can connect Hunter.io to your preferred ESP or send cold emails directly from the platform.
Recruiters
Recruiters can benefit from Hunter’s database by helping them stay up-to-date with companies in certain industries. It provides signals, such as recent company updates, to help clue you into prospective talent.
Hunter.io customer reviews
Hunter.io has received ratings ranging from 4.4 to 4.7 out of five stars on customer testimonial platforms like Trustpilot and G2. Here’s a rundown of some of its pros and cons, taken directly from recent users.
Pros
- Helpful priority support
- Reliable lead finder tool
- Convenient access to multiple email services
- Overall accuracy for Email Finder
- Ease of integration
Cons
- Mixed accuracy with Email Finder and verification
- Expensive pricing compared to other tools
- Account limits
- Missing contact information
We are prohibited from directly listing ratings and testimonials for other businesses. As such, we encourage readers to verify this information by reading real customer reviews on these websites.
Hunter.io integrations
Hunter.io integrates directly with a few CRMs, email service providers, and automation tools. Here’s the full list of official integrations:
- HubSpot
- Salesforce
- Pipedrive
- Zoho CRM
- Close CRM
- Copper
- Gmail
- Outlook
- Google Sheets
- Airtable
- Microsoft Excel
You can also connect Hunter.io with a few automation tools via Make, Clay, or Zapier.
Lastly, it features extensions for most major web browsers, such as Chrome, Firefox, and Edge.
Hunter.io security and compliance features
Google Cloud Platform hosts Hunter.io services. As such, Google’s internal infrastructure and policies dictate some security aspects.
Passwords and account data are encrypted, while users are also provided with access and password controls.
Hunter regularly collaborates with third parties to perform vulnerability assessments to evaluate and improve its cybersecurity. It also features a bug bounty program, offering financial incentives to independent hackers who can identify and expose weaknesses in the platform’s defense systems.
Hunter.io is also GDPR and CCPA-compliant and promises never to share, resell, or store customer data in its database.
Best Hunter.io alternative
If you’re still considering options after this Hunter.io review, check out our platform. Benefit from Email Finder, which guarantees accurate email verification and other tools to enhance your contact profiles and email deliverabilityⓘA sender’s ability to reach the recipient’s inbox with their outgoing emails. It may also describe the ratio of emails delivered to the inbox vs. those sent to spam or blocked by the receiving server..

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Contents
- What is Hunter.io? to find more details about links
- Hunter.io features to find more details about links
- Hunter.io pricing to find more details about links
- Hunter.io use cases to find more details about links
- Hunter.io customer reviews to find more details about links
- Hunter.io integrations to find more details about links
- Hunter.io security and compliance features to find more details about links
- Best Hunter.io alternative to find more details about links
Frequently asked questions
Hunter.io is an email-finding and verification platform, which also incudes tools for lead discovery and cold email outreach. It integrates with everyday business tools, including CRMs, email service providers, and automation platforms.
Hunter.io offers a limited free trial, which includes 25 email finder searches, 50 email verifications, and a connected email account for sending cold emails monthly.
Hunter.io is used for B2B sales and email outreach. Users can search for emails by name, browse leads by industry and other signals, and send emails using Hunter.io’s built-in email delivery system.
Hunter.io finds emails using different methods: first, it browses its cumulative database of email addresses discovered through public sources on the Internet; second, it searches for email data for that domain and attempts to approximate the correct email address based on data points, including other discovered email address patterns.
The Hunter.io Starter plan begins at $49/month or $34/month annually ($408 total for the year).