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Hunter.io is an all-in-one email outreach platform trusted by over 6 million users for finding, verifying, and sending cold emails to professional contacts. It combines a massive B2B database with email finding, verification, and cold email sequencing tools — making it the go-to solution for sales teams, recruiters, marketers, and entrepreneurs who need to reach decision-makers at scale.
The Domain Search feature lets you find all email addresses associated with a company domain, returning verified contacts with their names, titles, and confidence scores. The Email Finder takes a person's name and company domain and returns their professional email address with a verification status. Both tools are powered by Hunter's proprietary database of publicly available professional email addresses, which is constantly crawled and updated.
The Email Verifier checks if an email address is valid and deliverable before you send, reducing bounce rates and protecting your sender reputation. It performs SMTP checks, MX record validation, catch-all detection, and disposable email detection. Bulk verification lets you clean entire lists in minutes.
Hunter Campaigns is the built-in cold email outreach tool that lets you create multi-step email sequences with automatic follow-ups. You can connect multiple sending accounts for rotation, track opens and clicks, personalize at scale with custom attributes, and use the AI Writing Assistant to draft compelling emails. Sequences support conditional logic and can be paused automatically when a reply is detected.
The Discover feature is Hunter's B2B database for prospecting. You can filter companies and contacts by industry, company size, location, technology used, job title, and more. Signals alert you to company events like funding rounds, new hires, or technology changes — perfect for timely outreach.
Key Features: Domain Search to find all emails at a company, Email Finder for individual contact lookup, Email Verifier with SMTP and deliverability checks, bulk email finding and verification, cold email Campaigns with multi-step sequences, email account rotation for deliverability, AI Writing Assistant, Discover B2B database with advanced filters, Signals for company event alerts, lead enrichment, browser extension for Chrome and Firefox, integrations with Salesforce/HubSpot/Pipedrive/Zapier, Google Sheets add-on, REST API, and GDPR-compliant data sourcing.
Pricing: Free plan with 50 credits/month and 1 connected email account. Starter at $34/month (billed yearly) with 24,000 credits/year, 3 email accounts, and 2,500 recipients per sequence. Growth at $104/month with 120,000 credits/year, 10 email accounts, and 5,000 recipients. Scale at $209/month with 300,000 credits/year, 20 email accounts, and 15,000 recipients. Enterprise with custom pricing. All paid plans include auto-verification, lead enrichment, AI Writing Assistant, and priority support. ~30% savings on annual billing.
Use Cases: Sales prospecting and lead generation, influencer and creator outreach for partnerships, PR and journalist contact finding, recruiter candidate sourcing, link building outreach for SEO, partnership and business development emails, investor outreach for fundraising, agency client prospecting, market research contact discovery, and automated follow-up sequences for any cold outreach campaign.
About
Hunter.io is an all-in-one email outreach platform trusted by over 6 million users for finding, verifying, and sending cold emails to professional contacts. It combines a massive B2B database with email finding, verification, and cold email sequencing tools — making it the go-to solution for sales teams, recruiters, marketers, and entrepreneurs who need to reach decision-makers at scale.
The Domain Search feature lets you find all email addresses associated with a company domain, returning verified contacts with their names, titles, and confidence scores. The Email Finder takes a person's name and company domain and returns their professional email address with a verification status. Both tools are powered by Hunter's proprietary database of publicly available professional email addresses, which is constantly crawled and updated.
The Email Verifier checks if an email address is valid and deliverable before you send, reducing bounce rates and protecting your sender reputation. It performs SMTP checks, MX record validation, catch-all detection, and disposable email detection. Bulk verification lets you clean entire lists in minutes.
Hunter Campaigns is the built-in cold email outreach tool that lets you create multi-step email sequences with automatic follow-ups. You can connect multiple sending accounts for rotation, track opens and clicks, personalize at scale with custom attributes, and use the AI Writing Assistant to draft compelling emails. Sequences support conditional logic and can be paused automatically when a reply is detected.
The Discover feature is Hunter's B2B database for prospecting. You can filter companies and contacts by industry, company size, location, technology used, job title, and more. Signals alert you to company events like funding rounds, new hires, or technology changes — perfect for timely outreach.
Key Features: Domain Search to find all emails at a company, Email Finder for individual contact lookup, Email Verifier with SMTP and deliverability checks, bulk email finding and verification, cold email Campaigns with multi-step sequences, email account rotation for deliverability, AI Writing Assistant, Discover B2B database with advanced filters, Signals for company event alerts, lead enrichment, browser extension for Chrome and Firefox, integrations with Salesforce/HubSpot/Pipedrive/Zapier, Google Sheets add-on, REST API, and GDPR-compliant data sourcing.
Pricing: Free plan with 50 credits/month and 1 connected email account. Starter at $34/month (billed yearly) with 24,000 credits/year, 3 email accounts, and 2,500 recipients per sequence. Growth at $104/month with 120,000 credits/year, 10 email accounts, and 5,000 recipients. Scale at $209/month with 300,000 credits/year, 20 email accounts, and 15,000 recipients. Enterprise with custom pricing. All paid plans include auto-verification, lead enrichment, AI Writing Assistant, and priority support. ~30% savings on annual billing.
Use Cases: Sales prospecting and lead generation, influencer and creator outreach for partnerships, PR and journalist contact finding, recruiter candidate sourcing, link building outreach for SEO, partnership and business development emails, investor outreach for fundraising, agency client prospecting, market research contact discovery, and automated follow-up sequences for any cold outreach campaign.