Build with Hunter

Use the power of Hunter anywhere through simple API calls. Get started in minutes.

We believe the most efficient way to distribute a service is to start with an API. The main requests on Hunter can be made using simple API calls integrated wherever you need. Join thousands of growing businesses that have already integrated Hunter’s API to find and verify professional email addresses.

Getting started

Domain Search
Email Finder
Email Verifier


The Email Finder requires the name of a person and a domain name. It returns the professional email of this person and a confidence score. If the email address is displayed somewhere online, the sources are also returned.

Email Finder API


The Email Verifier requires an email address. It returns the verification result to check if the email address is deliverable or not, with the detailed validation checks made and a confidence score.

Email Verifier API
"Our integration with Hunter has proven to be a hit not only with our customers (who love the ease and coverage of contact info it provides), but with our CTO, Casey, too. Making Casey happy is a tough thing to do, but here, it's Hunter's ease of integration, seamless API, and affordable cost that shine."
Rand Fishkin
Rand Fishkin
Cofounder & CEO , SparkToro