Access the most comprehensive database of categorized startup company domains. From Y Combinator alumni to unicorns, seed-stage ventures to Series D companies - power your research with verified startup intelligence.
Our database covers the complete startup ecosystem with comprehensive categorization and daily updates.
Discover how investors, researchers, and platforms leverage our startup domain database.
Identify promising startups across sectors and stages for investment opportunities. Filter by funding stage, technology focus, growth metrics, and geographic location to build targeted deal pipelines.
Map competitive landscapes by discovering all startups operating in specific market segments. Analyze positioning, feature sets, and market penetration across your competitive ecosystem.
Track the emergence of new technologies by monitoring startups in AI, blockchain, quantum computing, biotech, and other cutting-edge sectors. Identify innovation trends early.
Track billion-dollar startups and their ecosystems. Monitor unicorn company websites, subsidiaries, acquisitions, and portfolio companies for comprehensive market intelligence.
Build databases of accelerator alumni from YC, Techstars, 500 Startups, and other programs. Track batch graduates, success rates, and emerging companies from top programs.
Discover early-stage startups before they hit mainstream radar. Research seed-stage companies by technology, team background, early traction, and growth potential indicators.
Monitor startups across all funding stages from Series A through late-stage rounds. Track funding progression, valuation trends, and investor participation patterns.
Power job aggregation platforms with comprehensive startup company data. Identify hiring startups, track growth signals from job postings, and build talent marketplace features.
Map founder networks and connections across the startup ecosystem. Identify serial entrepreneurs, co-founder relationships, advisor networks, and investor board seats.
Analyze entire startup ecosystems by geography, sector, or technology. Understand regional strengths, funding patterns, and ecosystem health metrics for market research.
Every startup domain is enriched with comprehensive metadata and categorization.
Full IAB Tier 1-4 categorization for precise content classification
Pre-seed through Series D+ stage identification
Country and region detection for global coverage
OpenPageRank and CrUX popularity metrics
Direct URLs to pricing and product information
Links to contact pages and team information
Filter and retrieve startup domains programmatically with our REST API.
import requests
# Filter startup domains by category and funding stage
api_url = "https://api.websitecategorizationapi.com/v1/domains/filter"
headers = {"Authorization": "Bearer YOUR_API_KEY"}
# Query for AI/ML startups with Series A+ funding
params = {
"vertical": "startups",
"categories": ["Technology", "Artificial Intelligence"],
"funding_stage": ["series_a", "series_b", "series_c"],
"min_pagerank": 3,
"has_pricing_page": True,
"country": "US",
"limit": 100
}
response = requests.post(api_url, json=params, headers=headers)
startup_domains = response.json()
for startup in startup_domains["results"]:
print(f"Startup: {startup['domain']}")
print(f" Category: {startup['subcategory']}")
print(f" Funding Stage: {startup['funding_stage']}")
print(f" PageRank: {startup['pagerank']}")
print(f" Pricing: {startup['pricing_url']}")
print("---")
# Example output:
# Startup: openai.com
# Category: AI/Machine Learning
# Funding Stage: Series C
# PageRank: 8
# Pricing: https://openai.com/pricing
# ---
# Startup: anthropic.com
# Category: AI/Machine Learning
# Funding Stage: Series B
# PageRank: 7
# Pricing: https://anthropic.com/pricing
Get instant access to our comprehensive startup domain database. Start building smarter research and investment intelligence today.
View Pricing Plans API Documentation