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Field Report • 2026 Edition

Reverse Email Lookup Tools by Data Type

Every reverse email lookup tool returns a different slice of data. We tested 8 tools across four data types (name, social, breach, consumer records), documented what each actually returns, and built a matcher to pick the right one for your question.

calendar_todayJul 2026
lab_profile8 Tools Tested
layers4 Data Types
schedule11 min read

lightbulbKey takeaways

  • arrow_rightNo single tool returns every data type. Route each email through 2-3 tools based on what you need: name (B2B tools), social (EmailRep.io), breach (HaveIBeenPwned), consumer records (ThatsThem or paid people-search).
  • arrow_rightFor B2B professional context, Mailsfinder gives the largest free daily quota (100/day, 3,000/mo) with API access on the free tier.
  • arrow_rightEmailRep.io is unique for social-profile mapping. It's how fraud teams verify a real digital footprint exists behind an unfamiliar email.
  • arrow_rightHaveIBeenPwned is the authoritative source for data-breach history at $3.95/month for API access. Every trust-and-safety team we spoke to considers it non-negotiable.
  • arrow_rightFor US consumer records, ThatsThem is the strongest free option. Paid alternatives (BeenVerified, Spokeo, TruthFinder) start around $25-$30/month and add deeper records but hit the same public-record source data.
  • arrow_rightAll 8 tools listed have APIs. Combined free tiers give you well over 5,000 lookups per month if you split usage by data type. See our free-only reverse lookup guide for a focused breakdown.

What do you need to find out?

Pick the data type. We'll recommend the primary tool plus a backup for cross-referencing.

Primary
Mailsfinder

Returns first name, last name, company, and job-title inference when the email is in the B2B database. 100 free credits per day with API access on the free tier.

Read the full review →
Cross-reference with
Hunter Email Verifier

Returns name plus source URLs where Hunter first observed the address. Free 25 verifications per month plus API access.

Read the full review →

What each tool actually returns

Green means the tool returns this data type on its free tier. Amber means paid tier only. Grey means not returned.

Tool Name Company Social profiles Breach history US address Deliverability Reputation score
Mailsfinder🟢🟢🟢
Hunter Email Verifier🟢🟢🟢
EmailRep.io🟢🟢🟢
HaveIBeenPwned🟢
ThatsThem🟢🟢
Snov.io🟢🟢🟢
Anymailfinder🟡🟡🟡
Reoon🟢
🟢 Free tier • 🟡 Paid tier only • ⬜ Not returned

Paid people-search tools like BeenVerified ($27/mo), Spokeo ($20/mo), and TruthFinder ($28/mo) return similar consumer records to ThatsThem plus deeper history (marriage, arrests). They use the same underlying public-record source data.

1. Mailsfinder

Name + company (B2B)
Mailsfinder homepage

Mailsfinder returns first name, last name, company, and job-title inference when the input email is in the B2B database. It's the cheapest way to get name-plus-company on a professional email, with 100 free credits per day forever and $9.99/month unlocking 300,000 credits. API access is included on every plan including free.

Name + company Deliverability 100 free/day API on free

"100 free credits per day means we route the majority of our enrichment through Mailsfinder without paying anything."

-- SDR ops lead via product feedback

2. EmailRep.io

Social + reputation
EmailRep.io homepage

EmailRep.io maps an email to LinkedIn, GitHub, Twitter, Gravatar, Spotify, Airbnb, and 50-plus other services, and returns a 0-100 reputation score. Unlimited free manual lookups on the website; API access is free on request. It's the fastest way to check whether an unfamiliar email belongs to a real person with a public digital footprint.

50+ social profiles Reputation score Unlimited free web Free API on request

"Every fraud analyst on our team has emailrep.io bookmarked. Faster than any paid enrichment vendor for the specific 'is this a real person' question."

-- Trust and safety analyst via product feedback

3. Have I Been Pwned

Data breach history
Have I Been Pwned homepage

HaveIBeenPwned is the definitive free source for data-breach history on an email. It uses the actual breach dumps, which makes it essentially 100 percent accurate. Manual lookups are unlimited on the website; structured API access is $3.95/month, one of the cheapest per-request enrichment services in existence.

1,000+ breach dataset Unlimited free web $3.95/mo API Notify Me alerts

"Every account signup at our company runs through HIBP for risk scoring. Cheapest fraud signal money can buy."

-- Fraud engineer via product feedback

4. ThatsThem

US consumer records
ThatsThem homepage

ThatsThem is a free consumer-grade people-search focused on the United States. Enter an email and it returns name, physical address, phone number, and household demographics when the address matches public records. Coverage is strongest for older personal emails tied to home addresses. Paid alternatives (BeenVerified, Spokeo, TruthFinder) start around $25-$30/month and hit the same source data with deeper history.

Name + address Phone number Unlimited free No signup

"Only tool that consistently returns anything on personal Gmail. Great for one-off customer support triage."

-- Customer support lead via product feedback

5. Hunter Email Verifier

Name + source URL
Hunter.io homepage

Hunter Email Verifier returns name plus source URLs where the address was originally found (LinkedIn profile, GitHub commit, blog author page). That source-URL field is unusually useful for verifying who owns a professional email. Free tier is 25 verifications per month, then $49/month for 2,000 credits. API access is included on every tier.

Name (if in DB) Source URLs Chrome extension 25 free/mo

"Source URLs field is what keeps us using Hunter over cheaper competitors. It tells us where the email first appeared publicly."

-- Growth marketer via G2

6. Snov.io

B2B lookup + campaigns
Snov.io Email Finder page

Snov.io bundles B2B lookup with drip email campaigns, which makes it useful when you need to identify a professional email owner and then reach out. Free tier is 50 credits per month plus 100 email recipients for outreach. On lookup, Snov returns name, company, and verification status.

Name + company 50 free credits/mo Campaigns bundled Chrome extension

"Free tier renews monthly, so we use it for weekly enrichment plus small campaigns. Basically a free cold email sender if you're small."

-- Solo founder via G2

7. Anymailfinder

Pay-only-for-verified B2B
Anymailfinder homepage

Anymailfinder offers a "pay only for verified emails" credit model that makes pricing predictable. Free tier is a 7-day trial with 100 credits, then paid plans start at $14/month. On lookup, returns name, company, and 97%+ deliverability guarantee. Middle of the pack on B2B but cheapest paid entry point.

Name + company Pay for verified only 100 trial credits $14/mo Starter

"Verified-only credit model made pricing predictable. We stopped hunting for phantom emails and just paid for what actually landed."

-- Outbound consultant via G2

8. Reoon Email Verifier

Deliverability check
Reoon Email Verifier homepage

Reoon covers the deliverability slice of reverse lookup: is this email real and safe to send to? Returns valid, invalid, catch-all, disposable, or role-account flags. 20 free credits per day forever, plus API on the free tier. Use it as a sanity check alongside Mailsfinder or Hunter to confirm an enriched email is still deliverable.

Deliverability Catch-all flag 20 free/day API on free

"Cheapest verifier that actually works. Run the daily 20 as a sanity gate on any email we've enriched from other tools."

-- Agency owner via G2

Frequently asked questions

What is the best reverse email lookup tool in 2026?expand_more
There is no single best reverse email lookup tool because the right pick depends on what data you need. For B2B professional context (name, company, job title), Mailsfinder, Hunter, and Snov.io lead. For consumer people-search (name, US address, phone), ThatsThem is the strongest free option and paid tools like BeenVerified and Spokeo extend the depth. For social-profile mapping (LinkedIn, GitHub, Twitter), EmailRep.io is unique. For data-breach history, HaveIBeenPwned is authoritative. Pick by the specific slice of data you need.
How does reverse email lookup work?expand_more
Reverse email lookup works by matching the input email against a database of previously observed emails paired with attribution data. B2B tools like Mailsfinder, Hunter, and Snov.io crawl public websites, LinkedIn, and business directories to build a name-plus-email index. Consumer people-search tools like ThatsThem aggregate US public records including voter rolls, property records, and marriage indexes. EmailRep.io queries dozens of social-account APIs to detect linked profiles. HaveIBeenPwned matches against actual data-breach dumps. There is no single database that covers everything, which is why running two or three tools in parallel returns the fullest picture.
Is reverse email lookup free?expand_more
Yes, meaningful free tiers exist for reverse email lookup. HaveIBeenPwned and EmailRep.io offer unlimited free manual lookups. ThatsThem is free for unlimited web searches. Mailsfinder gives 100 free credits per day (3,000 per month). Hunter offers 25 free verifications per month with the person's name returned when found. Reoon gives 20 free credits per day for verification. Snov.io offers 50 free credits per month. Anymailfinder has a 100-credit 7-day trial. Paid tools like BeenVerified and Spokeo start around $25-$30 per month for deep consumer records.
How accurate is reverse email lookup?expand_more
Accuracy varies by tool and by the type of email. HaveIBeenPwned is essentially 100 percent accurate for breach data because it uses the actual breach dumps. B2B tools like Mailsfinder, Hunter, and Snov.io land in the 85 to 95 percent range on name and company for professional emails from known domains. Consumer tools like ThatsThem work best for older personal emails tied to US public records; coverage on newer Gmail accounts and international emails is lower. EmailRep.io is highly accurate for social-profile detection but does not return names directly. Always cross-reference two tools for critical decisions.
What can you find with a reverse email search?expand_more
Depending on the tool, a reverse email search can return: the owner's first and last name, employer and job title (Mailsfinder, Hunter, Snov.io), physical address and phone number if in US public records (ThatsThem), linked social profiles across LinkedIn, GitHub, Twitter, and 50-plus other services (EmailRep.io), a data-breach history showing where the email has appeared in leaks (HaveIBeenPwned), a reputation score for fraud risk (EmailRep.io), and deliverability status confirming the mailbox is real (Reoon, Anymailfinder). No single tool returns all seven; running two or three in parallel is standard practice.
Is it legal to look up someone by email address?expand_more
Reverse email lookup on business emails is legal in most jurisdictions and is routine for sales prospecting, recruiting, and fraud prevention. Consumer people-search tools like ThatsThem operate on public records that are legal to aggregate in the US, but the data may not be lawful to store or use for automated decision-making under GDPR. Tools like Mailsfinder, Hunter, and Snov.io explicitly comply with GDPR and CCPA and let data subjects request removal. Always check your local law and the tool's terms of service before using lookup data in production workflows.

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