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2022: Crawler at Scale & API Launch

Scaled the web crawler to index millions of domains. Launched the REST API, Chrome extension, and domain search our first public-facing products.

APIExtensionData

Scaling the Engine

2022 was the year Tomba went from prototype to product. We scaled our crawler, launched the API, and shipped our first tools to real users.

Major Milestones

  • Web Crawler v2 Scaled to crawl hundreds of millions of pages monthly, discovering email addresses across company websites, social profiles, and public directories
  • REST API Launch Released the Tomba REST API with endpoints for domain search, email finder, and email verifier. Full documentation and API key authentication
  • Domain Search Find all email addresses associated with any company domain. Returns employee names, job titles, departments, and verified emails
  • Email Finder Locate a specific person's professional email using their name and company domain
  • Email Verifier Real-time email verification with SMTP handshake, MX record checks, and deliverability scoring
  • Chrome Extension Browser extension to find emails on any website or LinkedIn profile with one click
  • Google Sheets Add-on Find and verify emails directly in spreadsheets without leaving Google Sheets

Data Milestones

  • Indexed 10M+ company domains
  • Built a database of 100M+ professional email addresses
  • Achieved 95%+ verification accuracy on known-valid addresses

Developer Experience

  • Published SDKs for Python, Node.js, PHP, Ruby, and Go
  • Comprehensive API documentation at docs.tomba.io
  • Webhook support for bulk processing notifications

First real users, first paying customers, first feedback loops. The foundation was solid time to build on it.

// quick start

Make your first call in a minute

Free account, real API key, the same endpoints Enterprise customers use.

  1. 1Create a free account25 searches a month. No card.
  2. 2Copy your key and secretFrom API keys in the dashboard.
  3. 3Call the APIPaste the request; the answer is JSON.
Get free API keyRead the docs
curl "https://api.tomba.io/v1/email-finder?domain=piedpiper.com&first_name=Richard&last_name=Hendricks" \
  -H "X-Tomba-Key: $TOMBA_API_KEY" \
  -H "X-Tomba-Secret: $TOMBA_SECRET_KEY"
Response
200 OK· 1 search credit
{
  "data": {
    "email": "richard@piedpiper.com",
    "first_name": "Richard",
    "last_name": "Hendricks",
    "full_name": "Richard Hendricks",
    "website_url": "piedpiper.com",
    "company": "Pied Piper",
    "pattern": "{first}",
    "department": "executive",
    "type": "personal",
    "position": "CEO",
    "country": "US",
    "gender": "male",
    "twitter": null,
    "linkedin": "https://www.linkedin.com/in/richard-hendricks",
    "score": 100,
    "accept_all": false,
    "phone_number": true,
    "verification": {
      "date": "2025-01-15T10:32:00+01:00",
      "status": "valid"
    },
    "sources": [
      {
        "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
      }
    ],
    "phone_data": []
  }
}