Hunter
API for domain search, professional email finder, author finder and email verifier.
Read docs Updated 2026-06-16
What is Hunter?
Hunter is a developer tool API offering domain search capabilities along with professional email finder, author finder, and email verifier functionalities.
It is useful for developers and businesses needing to locate professional contacts and validate email information programmatically.
What you can build with Hunter
Lead generation tools
Query domains to retrieve professional emails and build targeted outreach lists for sales or marketing platforms.
Email validation in CRMs
Check the deliverability of collected professional addresses before importing them into customer databases or automation workflows.
Author contact lookup
Combine domain search with name data to locate contact details for writers and contributors during content or PR campaigns.
Get started with Hunter
- 1Sign up on the Hunter site and generate an API key
- 2Read the endpoint reference in the official docs
- 3Construct HTTPS requests that include the API key
- 4Test calls to domain search and email verification endpoints
- 5Parse JSON responses and add error handling in your code
Hunter: pros & cons
Pros
- +Direct support for domain searches and professional email discovery
- +Built-in email verification capability
- +Author lookup feature included
- +Secure API key authentication over HTTPS
Cons
- –API key required for every request
- –No usage limits or pricing shown in description
- –Focused only on professional email use cases
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Frequently asked questions
An API providing domain searches, professional email discovery, author finding, and email address verification.
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