Hunter io
Find and verify professional email addresses
Configuration
Domain Search
Operation
Domain Search
API Key*
••••••••
Domain*
Enter domain name (e.g., stripe.com)
Number of Results
10
Email Type
Select...
Seniority Level
Select...
Department
e.g., sales, marketing, engineering
Domain Search (
hunter_domain_search)Returns all the email addresses found using one given domain name, with sources.
Input
| Parameter | Type | Required | Description |
|---|---|---|---|
domain | string | Yes | Domain name to search for email addresses |
limit | number | No | Maximum email addresses to return (default: 10) |
offset | number | No | Number of email addresses to skip |
type | string | No | Filter for personal or generic emails |
seniority | string | No | Filter by seniority level: junior, senior, or executive |
department | string | No | Filter by specific departments (e.g., sales, marketing) |
apiKey | string | Yes | Hunter.io API Key |
Output
| Parameter | Type | Description |
|---|---|---|
domain | string | The searched domain name |
disposable | boolean | Whether the domain accepts disposable email addresses |
webmail | boolean | Whether the domain is a webmail provider |
accept_all | boolean | Whether the domain accepts all email addresses |
pattern | string | The email pattern used by the organization |
organization | string | The organization name |
description | string | Description of the organization |
industry | string | Industry of the organization |
twitter | string | Twitter profile of the organization |
facebook | string | Facebook profile of the organization |
linkedin | string | LinkedIn profile of the organization |
instagram | string | Instagram profile of the organization |
youtube | string | YouTube channel of the organization |
technologies | array | Array of technologies used by the organization |
country | string | Country where the organization is located |
state | string | State where the organization is located |
city | string | City where the organization is located |
postal_code | string | Postal code of the organization |
street | string | Street address of the organization |
Email Finder
Operation
Email Finder
API Key*
••••••••
Domain*
Enter domain name (e.g., stripe.com)
First Name*
Enter first name
Last Name*
Enter last name
Company Name
Enter company name
Email Finder (
hunter_email_finder)Finds the most likely email address for a person given their name and company domain.
Input
| Parameter | Type | Required | Description |
|---|---|---|---|
domain | string | Yes | Company domain name |
first_name | string | Yes | Person's first name |
last_name | string | Yes | Person's last name |
company | string | No | Company name |
apiKey | string | Yes | Hunter.io API Key |
Output
| Parameter | Type | Description |
|---|---|---|
email | string | The found email address |
score | number | Confidence score for the found email address |
sources | array | Array of sources where the email was found, each containing domain, uri, extracted_on, last_seen_on, and still_on_page |
Email Verifier
Operation
Email Verifier
API Key*
••••••••
Email Address*
Enter email address to verify
Email Verifier (
hunter_email_verifier)Verifies the deliverability of an email address and provides detailed verification status.
Input
| Parameter | Type | Required | Description |
|---|---|---|---|
email | string | Yes | The email address to verify |
apiKey | string | Yes | Hunter.io API Key |
Output
| Parameter | Type | Description |
|---|---|---|
result | string | Deliverability result: deliverable, undeliverable, or risky |
score | number | Confidence score for the verification result |
email | string | The verified email address |
regexp | boolean | Whether the email follows a valid regex pattern |
gibberish | boolean | Whether the email appears to be gibberish |
disposable | boolean | Whether the email is from a disposable email provider |
webmail | boolean | Whether the email is from a webmail provider |
mx_records | boolean | Whether MX records exist for the domain |
smtp_server | boolean | Whether the SMTP server is reachable |
smtp_check | boolean | Whether the SMTP check was successful |
accept_all | boolean | Whether the domain accepts all email addresses |
block | boolean | Whether the email is blocked |
status | string | Verification status: valid, invalid, accept_all, webmail, disposable, or unknown |
Discover Companies
Operation
Discover Companies
API Key*
••••••••
Search Query*
Enter search query (e.g., "software companies in San Francisco")
Domain Filter
Filter by domain
Discover Companies (
hunter_discover)Returns companies matching a set of criteria using Hunter.io AI-powered search.
Input
| Parameter | Type | Required | Description |
|---|---|---|---|
query | string | No | Natural language search query for companies |
domain | string | No | Company domain names to filter by |
headcount | string | No | Company size filter (e.g., "1-10", "11-50") |
company_type | string | No | Type of organization |
technology | string | No | Technology used by companies |
apiKey | string | Yes | Hunter.io API Key |
Output
Refer to the block outputs for this operation.
Find Company
Operation
Find Company
API Key*
••••••••
Domain*
Enter company domain
Find Company (
hunter_companies_find)Enriches company data using domain name.
Input
| Parameter | Type | Required | Description |
|---|---|---|---|
domain | string | Yes | Domain to find company data for |
apiKey | string | Yes | Hunter.io API Key |
Output
| Parameter | Type | Description |
|---|---|---|
person | object | Person information (undefined for companies_find tool) |
Email Count
Operation
Email Count
API Key*
••••••••
Domain*
Enter domain name
Company Name
Enter company name
Email Type
Select...
Email Count (
hunter_email_count)Returns the total number of email addresses found for a domain or company.
Input
| Parameter | Type | Required | Description |
|---|---|---|---|
domain | string | No | Domain to count emails for (required if company not provided) |
company | string | No | Company name to count emails for (required if domain not provided) |
type | string | No | Filter for personal or generic emails only |
apiKey | string | Yes | Hunter.io API Key |
Output
| Parameter | Type | Description |
|---|---|---|
total | number | Total number of email addresses found |
personal_emails | number | Number of personal email addresses found |
generic_emails | number | Number of generic email addresses found |
department | object | Breakdown of email addresses by department (executive, it, finance, management, sales, legal, support, hr, marketing, communication) |
Usage Instructions
Integrate Hunter into the workflow. Can search domains, find email addresses, verify email addresses, discover companies, find companies, and count email addresses.
Notes
- Category:
tools - Type:
hunter