Email Finding & Verification

Hunter.io reviewed

One of the 10 tools in our Sales Engagement Platforms list. Here’s what Hunter.io does, its key features, pricing and who it’s best for — plus an honest take from the Captiwate team.

★ 4.4 on G2 ✍️ Reviewed by the Captiwate team
Hunter.io logo
Hunter.io
Email Finding & Verification
G2 Rating
4.4
Pricing
Free tier (25 searches/month); paid from $34/month
Best For
B2B sales and marketing teams that need to find and verify email addresses for outbound prospecting without a full database subscription.
At a glance
Use Case
Email Finding & Verification
G2 Reviews
562
Last Reviewed
May 5, 2026

What Hunter.io does

Hunter.io is the leading email finder and verification tool — letting B2B teams find and verify professional email addresses by domain or individual contact, with a Chrome extension for prospecting on the go.

Key features

Domain search to find all email addresses associated with a company

Email finder to look up specific contacts by name and company

Email verification to confirm deliverability before outreach

Bulk email finding and verification for list building at scale

Chrome extension and integrations with major CRMs and outreach tools

Our take
We publish this list and have a product in this space — here's our honest read

Captiwate's take

Hunter.io is the simplest and most trusted email finder on the market. Type in a domain and it returns the email format and available addresses. The verification tool is genuinely accurate. For teams that don't need a full Apollo or ZoomInfo contract, Hunter fills the email discovery gap at a fraction of the cost. It's a tool most B2B teams should have regardless of what else is in their stack.

See how Captiwate fits into your stack

You’ve done the research. Now see how real-time buyer engagement fits alongside the tools you’re already using.

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