Hunter

API

Find and verify professional email addresses by domain or name

Price: Free tier, then paid
Access: API key

Docs
OpenAPI
llms.txt

About

Email finder and verifier for B2B prospecting: look up addresses by domain or name and check deliverability. It also offers a company database and outreach tools. The free plan gives 50 credits a month and includes API access.

What you can do with it

List the email addresses found for a company's domain, with their sources
Find a person's likely work email from their name and company domain
Check whether an email address is valid and deliverable before sending

Get started

Sign up for a free Hunter account
Copy your API key from the dashboard
Send it as api_key, the X-API-KEY header or a Bearer token

Example

curl "https://api.hunter.io/v2/domain-search?domain=intercom.com&api_key=$HUNTER_API_KEY"

Details

Hosting: Hosted service
Available in: Worldwide
MCP server: Remote