API Documentation

Technology Checker API

Detect all technologies used by any website domain. Returns each technology with name, icon, description, website, and categorized tags.

Get API Key View Full Docs

LIVE

Company domain

Real API data no signup required

cURL

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

200400429

{
  "domain": "tomba.io",
  "data": [
    {
      "slug": "google-analytics",
      "name": "Google Analytics",
      "icon": "Google Analytics.svg",
      "website": "google.com",
      "description": "Google Analytics is a free web analytics service that tracks and reports website traffic.",
      "categories": [
        {
          "id": 10,
          "slug": "analytics",
          "name": "Analytics"
        }
      ]
    },
    {
      "slug": "cloudflare",
      "name": "Cloudflare",
      "icon": "Cloudflare.svg",
      "website": "cloudflare.com",
      "description": "Cloudflare is a web performance and security company.",
      "categories": [
        {
          "id": 31,
          "slug": "cdn",
          "name": "CDN"
        }
      ]
    }
  ]
}

Based on verified reviews

The Most Reliable Technology Checker 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

80M+

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 Technology Checker 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

Technology Checker API API Features

Full Tech Stack

Detect CMS, frameworks, analytics, marketing tools, hosting providers, CDNs, and more.

Categorized Results

Each technology is tagged with categories like JavaScript libraries, analytics, e-commerce, and more.

Technology Icons

Icon filename for each detected technology, ready to display in your UI.

Descriptions

Brief description and official website for every technology detected.

1,000+ Technologies

Detection covers 1,000+ technologies across web frameworks, server software, marketing tools, and infrastructure.

Sales Intelligence

Know what tools a company uses before your outreach to tailor your pitch to their tech stack.

Competitive Analysis

Compare technology choices across competitors and industry peers.

Real-Time Detection

Technologies are detected fresh on each request with our web analysis engine.

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.