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EmailLookup.io

🔍 Free Email Lookup

Our email lookup tool lets you find verified business emails instantly. Start a free email lookup now and get accurate, real results.

email lookup results dashboard showing verified emails
Example of our free email lookup results.

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What Is an Email Lookup?

An email lookup is a fast way to discover professional email addresses tied to a company domain or a person. Enter a domain, run the email lookup, and get verified emails, job titles, and sources in seconds.

Why Use This Free Email Lookup Tool?

How Email Lookup Works

We crawl public web pages, detect common patterns (like [email protected]), and run smart verification steps. The result: fewer “accept‑all” surprises and more valid emails.

Use Cases for Email Lookup

Outbound Sales & Cold Email

Build a qualified prospect list, enrich it, and send campaigns that land.

Recruiting & Partnerships

Reach hiring managers or founders directly without guessing inboxes.

Research & PR

Locate the right contact in a company and start a conversation immediately.

FAQ: Email Lookup

What is an email lookup?

An email lookup finds professional email addresses linked to a domain or person using public and verified sources.

Is this email lookup free?

Yes. Single lookups are free. For bulk or API, register.

How accurate are the emails?

We verify via SMTP checks, pattern analysis, and catch‑all detection, and display a status badge.

Can I do bulk email lookup?

Yes. Upload a list or use the API to process thousands at once.

Do you support catch‑all domains?

We flag catch‑all and provide best‑effort verification so you can assess risk.

Is there an API?

Yes. Our REST API covers domain search, enrichment, and verification. See the docs.

Where does the data come from?

From public web pages and open sources—never private inbox scraping.

Is email lookup legal?

We rely on publicly available data and follow compliance rules. Always respect local email laws.

Back to the Email Lookup FAQ

diagram explaining free email lookup process