Hunter is a specialized data utility platform designed to find and verify professional email addresses at scale. By indexing billions of public web pages, the service allows users to search for contact information by company domain and verifies the deliverability of the extracted addresses in real-time. Primarily utilized by marketers, sales professionals, and recruiters, Hunter offers a straightforward web application, a highly adopted Chrome extension, and robust REST APIs to automate email discovery and streamline outbound campaigns.