Company Discovery API
Describe the companies you're looking for in plain English. AI-powered search across 40M+ company profiles.
Just Describe What You Need
POST /company/discover
Content-Type: application/json
API-Key: YOUR_API_KEY
{
"query": "AI companies with 100+ employees founded after 2015",
"limit": 5
}{
"matches": [
{
"company": {
"legion_id": "e9f2a4b6-8c3d-4e7f-a1b2-5d6e8f9a0c3b",
"name": { "cleaned": "openai inc", "raw": ["OpenAI, Inc.", "OpenAI"] },
"domain": "openai.com",
"industry": "artificial intelligence",
"type": "private",
"size": "1001-5000",
"founded": 2015,
"legion_employee_count": 3200,
"legion_employee_growth_rate": {
"1m": 0.03, "3m": 0.09,
"6m": 0.18, "12m": 0.45
}
}
}
],
"total": 1
}Search with Natural Language
Skip the query building. Describe what you need and let AI handle the rest.
Natural Language Queries
Describe the companies you're looking for in plain English. No query syntax needed.
AI-Powered Matching
AI interprets your intent and identifies the right firmographic filters automatically.
No SQL Required
No SQL knowledge required. Just describe what you need and get results.
Smart Intent Recognition
The API understands complex descriptions with multiple firmographic criteria.
Built for Speed and Simplicity
The Company Discovery API is designed for teams that need fast, flexible company search.
Market Research
Quickly find companies matching a description for market research.
- Describe market segments
- No query building needed
- Instant results
Lead Generation
Describe your ideal customer profile and get matching companies.
- Describe ideal accounts
- AI handles filtering
- Export matching companies
Investment Screening
Find investment targets by describing company characteristics.
- Describe target criteria
- Workforce-aware matching
- Growth signal filtering
Competitive Mapping
Map competitive landscapes by describing the companies you want to analyze.
- Competitive landscape
- Industry mapping
- Market sizing
Discovery API vs Other Options
Choose the access method that fits your use case. Same data, different delivery.
Enrichment API Beta
Match and append company data
- 6 matching methods
- Confidence scores
- Per-record enrichment
Search API Beta
Query companies on demand via API
- Flexible SQL queries
- Up to 100 results
- No infrastructure needed
Discovery API Beta
Natural language company search
- Natural language queries
- AI-powered matching
- No SQL required
- 50 requests per minute
Data License
Bulk file delivery for full dataset access
- Full dataset access
- Monthly refreshes
- Your infrastructure
Common Questions
What users of our Company Discovery API ask us most