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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
Author Finder
Email Verifier 

GET https://api.hunter.io/v2/email-finder?domain=asana.com&first_name=Dustin&last_name=Moskovitz&api_key=API_KEY


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 

GET https://api.hunter.io/v2/author-finder?url=https://hunter.io/blog/how-to-know-if-someone-read-your-email/&api_key=API_KEY


The Author Finder requires an online article URL. It returns the author's name, the email address, and a confidence score. If the email address is displayed somewhere online, the sources are also returned.

Author Finder API 

GET https://api.hunter.io/v2/email-verifier?email=patrick@stripe.com&api_key=API_KEY


The Email Verifier requires an email address. It returns the result of the verification to know if this email address is deliverable or not, with the detailed validations made and a confidence score.

Email Verifier API