Company Data Enrichment API

Know any company
in seconds.

One API call. Get firmographics, tech stack, social profiles, and DNS intelligence for any company. No setup, no contracts, no surprises.

Get started free Read the docs

0+companies indexed

500free lookups/month

<100msresponse time

99.9%uptime

90+tech fingerprints

GET /v1/enrich/company?domain=stripe.com200 OK

{
  "domain": "stripe.com",
  "name": "Stripe",
  "industry": "Financial Technology",
  "employees": "5,000–10,000",
  "founded": 2010,
  "hq_city": "San Francisco",
  "tech_stack": ["React", "AWS", "Cloudflare"],
  "social": {
    "linkedin": "linkedin.com/company/stripe",
    "twitter": "twitter.com/stripe"
  },
  "whois": {
    "registrar": "MarkMonitor",
    "created": "2009-09-17"
  }
}

Company intelligence API — no CRM required

Try it right now.

Enter any domain and see what we return — including confidence scores per field. No account needed.

https://

Try:

Example response — v4GET /v1/enrich/company?domain=notion.so

{
  "domain": "notion.so",
  "name": "Notion Labs, Inc.",
  "description": "All-in-one workspace for notes, docs, and project management",
  "industry": "Productivity Software",
  "employee_count_range": "501-1000",
  "founded_year": 2013,
  "location": {
    "city": "San Francisco",
    "country": "US"
  },
  "email_pattern": "firstname",
  "company_email": "team@notion.so",
  "company_phone": "+1-415-555-0100",
  "ceo_name": "Ivan Zhao",
  "tech_stack": [
    "React",
    "Next.js",
    "AWS",
    "Cloudflare"
  ],
  "social_profiles": {
    "linkedin": "https://linkedin.com/company/notionhq",
    "twitter": "https://twitter.com/NotionHQ"
  },
  "confidence": {
    "name": 1100%,
    "industry": 0.8585%,
    "employee_count_range": 0.880%,
    "founded_year": 0.990%,
    "location": 0.990%
  },
  "data_sources": [
    "pre_indexed_cache",
    "ai_search",
    "website",
    "dns"
  ]
},

confidence scores:≥90%70–89%<70%

Everything you need.
Nothing you don't.

v4 brings multi-source enrichment, confidence scores, and new contact fields — the most complete company data API for developers.

Multi-Source Orchestration

7 data sources queried in parallel: SEC EDGAR, Wikidata SPARQL, DNS/WHOIS, website parsing, tech fingerprinting, SMTP verification, and AI-assisted search — merged with smart conflict resolution.

7 sources · parallel fetch · conflict resolution

83% Accuracy

Verified on 50+ companies across 5 continents. Uncached lookups hit 83% accuracy — more than double v3's 39%. Confidence scores tell you exactly how reliable each field is.

83% on uncached · v3 was 39% · confidence per field

Data Pipeline Architecture

Seven data sources combined intelligently: Cache → AI-assisted search → Wikidata → SEC EDGAR → Website → GitHub → WHOIS. Each source fills gaps the others miss.

7 sources · fallback chain · deduplication

Email Discovery

Email pattern detection (firstname, firstname.lastname, etc.), MX record verification, SMTP check, and direct company email extraction — all in one field.

email_pattern · mx verify · smtp check

Phone & CEO Data

Company phone numbers and CEO/founder names extracted from multiple sources. Useful for outreach, CRM enrichment, and contact lookup at scale.

company_phone · ceo_name · company_email

Tech Stack Detection

Identify 90+ technologies: frameworks, analytics, CDNs, payment processors, CRMs, ad networks, and more — accurate as of the last crawl.

90+ fingerprints · 8 categories · real-time

WHOIS & DNS Intelligence

Registrar info, domain creation date, expiry, nameservers, MX records, and DNS configuration. Useful for data quality checks and prospecting filters.

registrar · mx · a · ns · txt

Developer-First API

One endpoint, one API key, standard JSON responses. No SDKs required. No CRM lock-in. Generous free tier — 500 lookups/month with no credit card.

bearer auth · json · 500 free/mo

All endpoints available on every plan. Confidence scores included at no extra cost.

Up and running in minutes.

No OAuth flows. No enterprise sales call. No SDKs. Sign up, grab your key, and make requests.

Send a domain

Pass any company domain to the enrichment endpoint. Works with curl, Postman, or any HTTP client. No setup required.

GET /v1/enrich/company?domain=stripe.com

7 sources queried in parallel

SEC EDGAR, Wikidata SPARQL, DNS/WHOIS, website parsing, tech fingerprinting (90+ signatures), SMTP verification, and AI-assisted search — all queried simultaneously for maximum coverage.

sources: [EDGAR, Wikidata, DNS, Web, Tech, SMTP, Search]

Smart merging with confidence scoring

Data from all sources is merged with conflict resolution. Each field gets a confidence score (0.0–1.0) based on source agreement.

"confidence": { "name": 1.0, "industry": 0.95 }

Complete company profile returned

Receive a comprehensive JSON response with firmographics, tech stack, contacts, social profiles, and per-field confidence scores.

{ "name": "Stripe", "ceo_name": "Patrick Collison", ... }

Trusted by data teams at

CompanyLens cut our lead-qualification time in half. One API call and we know exactly which accounts are worth pursuing.

Alex Rivera — Data Lead, Acme Analytics

Free

500 lookups/month · All endpoints · Confidence scores · Email support

Start free

Standard

$49/mo

5,000 lookups/month · Everything in Free · Email + Phone enrichment · CEO/Founder data

Get Standard

Business

Talk to us

25,000 lookups/month · Everything in Standard · Webhook events · Priority support

Choose Business

Need more? See all plans →

Simple, transparent pricing.

No surprise fees. No per-field billing. Pay for lookups, use everything. Cancel any time.

Free

$0/month

Try the full API. No credit card needed.

500 lookups / month
All endpoints
Company + tech stack data
Confidence scores
JSON response
Email support

Pro

$19/month

For side projects and growing tools.

5,000 lookups / month
All endpoints
Company + tech stack data
Confidence scores
Email + Phone enrichment
CEO/Founder data
JSON response
Email support

Integrate in minutes.

One HTTP request is all it takes. No SDK to install, no complex auth flow, no webhooks required just to get basic data.

Standard Bearer token authentication

Consistent JSON schema across all endpoints

Detailed error messages with HTTP status codes

Rate limit headers on every response

Response time

<100msaverage, globally

curl -X GET \
  "https://companylens.dev/api/enrich?domain=stripe.com" \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Accept: application/json"

How we compare.

Enterprise enrichment tools are built for sales teams with sales-team price tags. CompanyLens is built for developers — generous free tier, real-time multi-source enrichment, and no CRM required.

Feature	CompanyLensfrom $0/mo	ClearbitHubSpot required	Hunteremail-only	ApolloCRM lock-in
Free tier	500 lookups/mo		25 searches/mo	Limited (credits)
Entry price	$0/mo	$75+/mo	$49/mo	$49/mo
Multi-source enrichment	7 sources	Partial
Confidence scores
Tech stack data
DNS / WHOIS data		Partial
Email enrichment		Limited
CEO / Founder data		Partial
No CRM lock-in
API-first		Partial

Comparison based on publicly available pricing and documentation as of March 2026. Prices may vary.

Get started

Start enriching
company data today.

Get your free API key and start building. 500 free lookups included — no credit card needed.

No credit card required. 500 free lookups/month included.

Know any companyin seconds.

Try it right now.

Everything you need.Nothing you don't.

Up and running in minutes.

Send a domain

7 sources queried in parallel

Smart merging with confidence scoring

Complete company profile returned

Free

Standard

Business

Simple, transparent pricing.

Integrate in minutes.

How we compare.

Start enrichingcompany data today.

Know any company
in seconds.

Everything you need.
Nothing you don't.

Start enriching
company data today.