API Documentation

Domain Search API

Find all email addresses, phone numbers, company details, and employee profiles associated with any company domain. Filter by department, seniority, country, and more.

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Domain Search API

LIVE

Company domain

Real API data no signup required

cURL

curl --request GET \
  --url 'https://api.tomba.io/v1/domain-search?domain=stripe.com' \
  --header 'X-Tomba-Key: ta_xxxxxxxxxxxx' \
  --header 'X-Tomba-Secret: ts_xxxxxxxxxxxx'

200400424500

{
  "data": {
    "organization": {
      "name": "Stripe",
      "logo": "https://logo.tomba.io/stripe.com.png",
      "industry": "Financial Technology",
      "headcount": "5001-10000",
      "location": "San Francisco, CA"
    },
    "pattern": "{first}.{last}",
    "emails": [
      {
        "email": "john.doe@stripe.com",
        "first_name": "John",
        "last_name": "Doe",
        "position": "Software Engineer",
        "department": "Engineering",
        "seniority": "Senior",
        "linkedin": "https://linkedin.com/in/johndoe",
        "phone_number": "+1 415-555-0142",
        "score": 95,
        "verification": {
          "status": "valid"
        },
        "sources": [
          {
            "uri": "https://github.com/johndoe",
            "extracted_on": "2026-01-15"
          }
        ]
      }
    ]
  }
}

Based on verified reviews

The Most Reliable Domain Search API API

Tomba has the largest B2B email crawler on the web. We process billions of pages monthly so you always get the freshest, most accurate data.

2B+

Pages crawled monthly

450M+

Verified B2B emails

70M+

Domains indexed

Ranked in benchmark

81%

Email coverage

<5%

Bounce rate

<200ms

API response

99.9%

Uptime SLA

42M+

Tech-indexed sites

150K+

Professionals

Independent 5,000-Lead Benchmark

Same input file, same conditions, every provider. Raw results, no spin.

View raw data Data updates Robots policy

Tomba.io

4,015

Anymailfinder

3,875

Findymail

3,757

GetProspect

3,096

Skrapp

2,142

Hunter

1,882

VoilaNorbert

1,800

Snov

1,007

Prospeo

846

More Data, Less Money No One Comes Close

Every plan includes free verification credits, phone data, and credits valid for 12 months.

Basic

$49 /mo

5,000 total credits

2,500 finder + 2,500 Free Verification

Integrate Domain Search API in Your Language

Install Tomba in your language. 10 official SDKs, all open-source on GitHub.

composer require tomba-io/php

Ruby

gem install tomba

go get github.com/tomba-io/go

luarocks install tomba

install.packages("tomba")

Elixir

{:tomba, "~> 1.0"}

Full API documentation View on GitHub MCP Server

Domain Search API API Features

Email Addresses

Find all professional email addresses associated with the domain verified, with confidence scores and email patterns.

Phone Numbers

Direct phone numbers for employees when available, including mobile and business lines with country and type.

Company Details

Company name, industry, size, location, founded year, website, description, and social profiles (LinkedIn, Twitter, Facebook).

Company Logo

High-quality company logo automatically retrieved for every domain. Ready to use in your UI or CRM.

Employee Profiles

Full name, job title, department, seniority level, country, LinkedIn URL, and Twitter for each contact found.

Source Tracking

Every email includes a sources array with URLs where it was found, extraction dates, last seen dates, and visibility status.

Email Pattern

Detected email pattern for the domain (e.g., first.last@, f.last@) so you can predict addresses for anyone at the company.

Advanced Filters

Filter by department (sales, engineering, HR, marketing, etc.), seniority (senior, junior, executive), country, and verification status.

Country Filtering

Filter employees by country code (US, FR, DE, etc.) to find contacts in specific geographic locations.

Verification Status

Each email includes verification status (valid, invalid, catch-all, unknown) and confidence score from 0-100.

Technology Stack

Technologies and tools used by the company CRM, marketing automation, analytics, hosting, and frameworks.

Pagination

Paginated results with up to 10 emails per page. Meta object includes total count, pages, and navigation.

Real-Time Data

Results are refreshed continuously. Last updated timestamps on every record so you know data freshness.

Trusted Worldwide

Everyone is switching to Tomba.io

Join thousands of companies worldwide who trust Tomba for their email finding needs

Trusted by Developers Worldwide

Tomba.io is very fast with lots of features. I run leads from Apollo into Tomba and grab prospect info in record time. I'm saving at least 5 hours a week. No joke.

Julian M.

Account Executive, Insight

I've tested over a dozen email finder tools, and Tomba.io stands out as the best. It consistently delivers accurate results. The SDK and docs make integration fast.

Andrei Kholkin

Founder, Superpage.io

Stellar product and amazing support. I have tested many tools and this one is far superior by far. I highly recommend it.

Martin Ebongué

Entrepreneur, Genius Data Flow

Since years, Tomba has provided the most results per search, and it keeps getting better. It recently became one of the most feature-rich tools for our list building.