Hunter.io

Leading email finding and verification platform with millions of users globally

Hunter.io (also known simply as Hunter) is a cloud-based email finding and verification platform founded in 2015. The company provides tools that enable sales teams, marketers, and recruiters to find professional email addresses associated with specific domains and verify their deliverability. While not a traditional AdTech company, Hunter operates in the broader marketing technology ecosystem, serving as a critical tool for outbound marketing, lead generation, and sales prospecting activities. The platform's core functionality includes domain search, email finder, email verifier, and bulk tasks capabilities. Hunter has built a massive database of publicly available email addresses indexed from the web, allowing users to search for contact information by company domain or individual name. The service has gained significant traction among B2B marketers, sales development representatives, and growth teams who need to build targeted prospect lists and conduct cold outreach campaigns. Hunter.io operates on a freemium SaaS model with tiered pricing based on search volume and features. The company has established itself as one of the leading email finding tools in the market, competing with platforms like Apollo.io, ZoomInfo, and Lusha. With a focus on data accuracy and GDPR compliance, Hunter has positioned itself as a reliable solution for businesses of all sizes looking to scale their outbound marketing and sales efforts.