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// trusted b2b contact database

Where Tomba's B2B contact data comes from

150,000+ sales professionals rely on Tomba for verified B2B contacts: work emails, phone numbers, LinkedIn profiles and company data. We crawl 2 billion pages every month, and every email keeps the public pages it was found on.

Start finding emails freeExplore the API
Verified B2B emails
450M+
Company domains indexed
80M+
Pages crawled a month
2B+
Of crawled addresses pass the checks
6%

Tomba internal counts, October 2026.

// teams at these companies use tomba

  • BDO
  • Accenture
  • loanDepot
  • Hermès
  • Famewall
  • Peliqan
  • Structurely
  • TeliportMe
  • FelixTek
  • LoudCrowd
  • Pentest-Tools.com
  • Growl
  • Metadata
  • Dux-Soup
  • SAW.com
  • Kit
  • Snippet
  • TrendForce
  • Stiebel Eltron
  • cQuant
  • Verloop.io
  • QuilrAI
  • WeInvest
  • Simmelink
  • PRT Group
  • Maline
  • LeadBites
  • Digital Domination
  • Interstellar Consulting
  • The New London Agency
  • SalesHigher
  • Social Sales
  • NVQ Assignments
  • treg.to
  • Orthogonal

// 01 · provenance

Every address comes with its sources

Ask the API where an address was found: up to 20 public pages, with the first and last time Tomba saw it there.

uri
The public page the address was found on.
website_url
The website that page belongs to.
extracted_on
When Tomba first found the address there.
last_seen_on
The last time Tomba saw it on that page.
still_on_page
Whether the address was still on the page at the last visit.
GET /email-sources?email=richard@piedpiper.com
200 OK
{
  "data": [
    {
      "uri": "https://piedpiper.com/blog/engineering",
      "website_url": "piedpiper.com",
      "extracted_on": "2024-06-01T09:14:07+01:00",
      "last_seen_on": "2025-01-10T17:02:44+01:00",
      "still_on_page": true
    },
    {
      "uri": "https://piedpiper.com/newsroom",
      "website_url": "piedpiper.com",
      "extracted_on": "2023-05-12T11:20:00+02:00",
      "last_seen_on": "2025-08-28T06:12:45+02:00",
      "still_on_page": false
    }
  ],
  "email": "richard@piedpiper.com"
}

// 02 · process

How the database is built

  1. 01

    We scan billions of public pages so you don't have to

    Our crawlers process over 2 billion URLs every month: company websites, blog posts, PDFs, forums and professional directories. From each page they keep what it shows: work emails, phone numbers, LinkedIn profiles, job titles, company details and the technologies a site runs on.

    • Company websitecompany
    • Public professional profilelinkedin
    • Press releaseemail
    • Contact pagephone
    • Job postingrole
    • Page sourcetech
  2. 02

    AI fills the gaps when direct discovery falls short

    When an email isn't publicly listed, our pattern recognition algorithms predict the most likely format: like firstname.lastname@domain.com. Every predicted result includes a confidence score from 0 to 100, so you always know how reliable each contact is.

    Richard Hendricks · piedpiper.com
    • richard.hendricks@12%
    • rhendricks@21%
    • richard@67%
    richard@piedpiper.comlikeliest
  3. 03

    Every record is checked before you see it

    Each email goes through syntax, DNS and WHOIS, mail server and mailbox (SMTP) checks. Phone numbers are validated for format, country and line type. Then the contact is linked to its LinkedIn profile, job title and company record.

    Richard Hendricks · piedpiper.com
    • richard@piedpiper.comvalid
    • +1 650 555 0142mobile
    • in/richard-hendrickslinked
    • Pied Piper · 11–50enriched
    score 98valid
  4. 04

    Only 6% of what we find meets our quality bar

    We reject 94% of crawled emails. Duplicates, personal webmail addresses, disposable emails and low-confidence results are all filtered out, and invalid phone numbers are deleted. The result is a B2B database you can trust: because quality always beats quantity.

    • richard@piedpiper.combusiness
    • richard.h@gmail.comwebmail
    • x7k2@tempmail.devdisposable
    • +1 555 01invalid number
    • removed@piedpiper.comremoval asked

// 03 · crawlers

What powers the database

The crawlers do more than find emails: they find and check phone numbers, link LinkedIn profiles and build a record for every company.

// emails

  • Email pattern recognition

    Detects the format each company uses, so Tomba can find an address that isn't published anywhere.

  • SMTP verification

    Asks the mail server whether the mailbox exists before the address reaches you.

  • Confidence scoring

    Every address gets a score from 0 to 100, so you know which ones to trust first.

  • Personal and generic sorting

    Tells people's addresses from role ones like info@ and support@, and leaves personal webmail out.

// phone numbers

  • Phone number discovery

    Finds the phone numbers tied to an email address, a LinkedIn profile or a company domain.

  • Phone validation

    Checks each number's format and country, and tells mobile from landline, VoIP and toll-free, with the carrier when it is known.

// people and linkedin

  • LinkedIn profile matching

    Goes from a LinkedIn profile URL to the person's work email, and returns the profile with each record.

  • Real-time enrichment

    Adds the job title, department, seniority and social profiles to an email address.

  • Gender and location

    Detects gender from first names and stores the country, state, city and ZIP code.

// companies

  • DNS and WHOIS resolution

    Confirms each company's domain is real and active, and keeps its registration data.

  • Company intelligence

    Industry, size, revenue estimate, founding year, headquarters, business phone and social pages for each company.

  • Technology detection

    Finds the tools and platforms a website runs on.

  • Similar companies

    Finds look-alike companies and competitors from a single domain.

// 04 · fields

What a record can hold

// email data

  • Professional email addresses
  • Email patterns per domain
  • Verification status and confidence score
  • Source URLs where emails were found
  • Discovery and verification timestamps

// person data

  • First name, last name, full name
  • Job title and department
  • Seniority level
  • Gender
  • LinkedIn and Twitter profiles
  • Country

// phone data

  • Phone numbers per person and company
  • Valid or invalid
  • Line type (mobile, landline, VoIP, toll-free)
  • Carrier, when known
  • Country and time zones
  • International, national and E.164 formats

// company data

  • Company name and website
  • Industry, employee count and revenue estimate
  • Headquarters location (city, state, country)
  • LinkedIn company page and other social profiles
  • Business phone number
  • Technologies and tools used

// domain data

  • WHOIS registration data
  • MX and DNS records
  • Accept-all and catch-all status
  • Email patterns used
  • Total indexed emails per domain
  • Domain age and registrar

// 05 · principles

How we handle the data

  1. 01

    Every email comes with a verified public source

    All contacts found via Domain Search include where and when we discovered them. The Email Finder clearly marks whether a result is verified or predicted. You always know the origin of your data: no black boxes.

  2. 02

    Stale data is automatically removed

    After six months, we remove any contact or company information that no longer has a valid public source. Before removal, we flag it with a Removed label so you are never caught off guard. This keeps our database consistently fresh and reliable.

  3. 03

    Data subjects have full control over their information

    Anyone can remove their contact information by claiming their email address. Owners can edit any field associated with their profile. Upon a deletion request, the email and all related data are permanently and irreversibly removed.

  4. 04

    Website owners decide how we index their pages

    Our crawler identifies itself with a clear User-Agent and fully respects the robots.txt standard. If you don't want us indexing your site, simply disallow our crawler: we stop immediately.

// 06 · compliance

Data privacy and compliance

Every email in our database is collected from publicly available web pages, on a legitimate-interest basis, with free opt-out for anyone.

  • GDPR

    Business contact data from public web pages, processed on a legitimate-interest basis, with a Data Processing Addendum and EU Standard Contractual Clauses for customers.

  • CCPA

    California residents can request access, deletion and opt-out at any time, and Tomba honours the Global Privacy Control signal.

  • Easy opt-out

    Anyone can remove their data with the Claim tool at app.tomba.io/claim or by email to privacy@tomba.io. Opting out adds the address to a suppression list, so it is not collected again.

  • Public sources only

    Addresses come from publicly accessible web pages, and each one lists up to 20 of the pages it was found on.

  • Data minimization

    We store only what's necessary for B2B prospecting. Personal webmail addresses are excluded. Only 6% of crawled data passes our strict quality filters.

  • Transparent processing

    Our privacy policy, Data Processing Addendum and security policy describe how data is collected, stored and protected.

// 07 · data updates

A fresh refresh every month

Each month's refresh, as the data updates log lists it: when the data was collected and published, and the counts it reported.

Latest refresh · September 2026emails, millions
49.8M
Unique emails collected
  1. September 2025: 46.5M
  2. October 2025: 49.4M
  3. November 2025: 45.4M
  4. December 2025: 44.9M
  5. January 2026: 49.5M
  6. February 2026: 48.8M
  7. March 2026: 47.8M
  8. April 2026: 35.2M
  9. May 2026: 50.3M
  10. June 2026: 48.7M
  11. July 2026: 46.0M
  12. August 2026: 49.2M
  13. September 2026: 49.8M
Sep 25Sep 26
Unique emails collectedEmails imported or updated (until November 2025)
MonthEmailsOpen in the docs
September 202649.8M
August 202649.2M
July 202646.0M
June 202648.7M
May 202650.3M
April 202635.2M
March 202647.8M
February 202648.8M
January 202649.5M
December 202544.9M
November 202545.4M *
October 202549.4M *
September 202546.5M *
* Emails imported or updated (until November 2025)All data updates
// featured reportTop 500 Web Technologies 2026The 500 most used web technologies across 42.8 million websites.// reportsDownloadable datasetsReady-made lists built from the database, with what is available now and what comes next.

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