The Companies API SDK for Python

A fully-featured Python SDK for The Companies API, providing type-safe access to company data, locations, industries, technologies, job titles, lists, and more.

If you need more details about a specific endpoint, you can find the corresponding documentation in the API reference.

You can also contact us on our livechat if you have any questions.

🚀 Features

• Expose all our 30+ endpoints and gives access to 50M+ companies from your codebase
• Type-safe API client with full access to our OpenAPI schemas
• Real-time company enrichment with both synchronous and asynchronous options
• Powerful search capabilities with filters, sorting and pagination
• Create and manage your company lists
• Track and monitor enrichment actions and requests
• Generate detailed analytics and insights for searches and lists
• Natural language querying for structured company information
• Lightweight with minimal dependencies

📦 Installation

pip install thecompaniesapi

That's it! The SDK includes pre-generated types and works immediately after installation.

🔑 Initialize the client

Get your API token from your settings page and initialize our client with Client.

The API token is required to authenticate your requests and should be kept secure. Never commit your API token to version control or share it publicly.

from thecompaniesapi import Client

tca = Client(api_token='your-api-token')

🏬 Companies

Search companies

📖 Documentation

🕹️ Use case: How to build a company search engine with our API

🔍 To learn more about our query system, please read our documentation.

# Search companies by industry and size
response = tca.search_companies(
    query=[
        {"attribute": "about.industries", "operator": "or", "sign": "equals", "values": ["computer-software"]},
        {"attribute": "about.totalEmployees", "operator": "or", "sign": "equals", "values": ["10-50"]}
    ],
    size=25
)

companies = response["data"]["companies"]  # Companies that match the query
meta = response["data"]["meta"]  # Meta information

Search companies by name

📖 Documentation

🕹️ Use case: Add a company search with autocomplete to your application

response = tca.search_companies_by_name(
    name="The Companies API",
    size=2
)

companies = response["data"]["companies"]  # Companies that match the name
meta = response["data"]["meta"]  # Meta information

Search companies using a prompt

📖 Documentation

# Search 25 companies for a specific prompt
response = tca.search_companies_by_prompt(
    prompt="SaaS Companies in the United States with more than 100 employees",
    size=25
)

companies = response["data"]["companies"]  # Companies that match the prompt
meta = response["data"]["meta"]  # Meta information

Search similar companies

📖 Documentation

# Search 25 companies that are similar to Crisp and Intercom
response = tca.search_similar_companies(
    domains=["crisp.chat", "intercom.com"],
    size=25
)

companies = response["data"]["companies"]  # Companies that are similar to the domains
meta = response["data"]["meta"]  # Meta information

Count companies matching your query

📖 Documentation

# Count how many companies are in the computer-software industry
response = tca.count_companies(
    query=[
        {
            "attribute": "about.industries",
            "operator": "or",
            "sign": "equals",
            "values": ["computer-software"]
        }
    ]
)

count = response["data"]  # Number of companies that match the query

Enrich a company from a domain name

📖 Documentation

# Fetch company data from our database without enrichment (faster response)
response = tca.fetch_company(domain="microsoft.com")

company = response["data"]  # The company profile

# Fetch company data and re-analyze it in real-time to get fresh, up-to-date information (slower but more accurate)
response = tca.fetch_company(
    domain="microsoft.com",
    refresh=True
)

company = response["data"]  # The company profile

Enrich a company from an email

📖 Documentation

🕹️ Use case: Enrich your users at signup with the latest information about their company

# Fetch the company profile behind a professional email address
response = tca.fetch_company_by_email(email="jack@openai.com")

company = response["data"]  # The company profile

Enrich a company from a social network URL

📖 Documentation

# Fetch the company profile behind a social network URL
response = tca.fetch_company_by_social(
    linkedin="https://www.linkedin.com/company/apple"
)

company = response["data"]  # The company profile

Find a company email patterns

📖 Documentation

# Fetch the company email patterns for a specific domain
response = tca.fetch_company_email_patterns(domain="apple.com")

patterns = response["data"]  # The company email patterns

Ask a question about a company

📖 Documentation

# Ask what products a company offers using its domain
response = tca.ask_company(
    domain="microsoft.com",
    question="What products does this company offer?",
    model="large",  # 'small' is also available
    fields=[
        {
            "key": "products",
            "type": "array|string",
            "description": "The products that the company offers"
        }
    ]
)

answer = response["data"]["answer"]  # Structured AI response
meta = response["data"]["meta"]  # Meta information

Fetch the context of a company

📖 Documentation

# Get AI-generated strategic insights about a company
response = tca.fetch_company_context(domain="microsoft.com")

context = response["data"]["context"]  # Includes market, model, differentiators, etc.
meta = response["data"]["meta"]  # Meta information

Fetch analytics data for a query or your lists

📖 Documentation

# Analyze company distribution by business type
response = tca.fetch_companies_analytics(
    attribute="about.businessType",
    query=[
        {
            "attribute": "locations.headquarters.country.code",
            "operator": "or",
            "sign": "equals",
            "values": ["us", "gb", "fr"]
        }
    ]
)

analytics = response["data"]["data"]  # Aggregated values
meta = response["data"]["meta"]  # Meta information

Export analytics data in multiple formats for a search

📖 Documentation

# Export analytics to CSV
response = tca.export_companies_analytics(
    format="csv",
    attributes=["about.industries", "about.totalEmployees"],
    query=[
        {
            "attribute": "technologies.active",
            "operator": "or",
            "sign": "equals",
            "values": ["shopify"]
        }
    ]
)

analytics = response["data"]["data"]  # Aggregated values
meta = response["data"]["meta"]  # Meta information

🎯 Actions

Request an action on one or more companies

📖 Documentation

# Request an enrichment job on multiple companies
response = tca.request_action(
    domains=["microsoft.com", "apple.com"],
    job="enrich-companies",
    estimate=False
)

actions = response["data"]["actions"]  # Track this via fetch_actions
meta = response["data"]["meta"]  # Meta information

Fetch the actions for your actions

📖 Documentation

# Fetch recent actions
response = tca.fetch_actions(
    status="completed",
    page=1,
    size=5
)

actions = response["data"]["actions"]  # Actions that match the query
meta = response["data"]["meta"]  # Meta information

🏭 Industries

Search industries

📖 Documentation

# Search industries by keyword
response = tca.search_industries(
    search="software",
    size=10
)

industries = response["data"]["industries"]  # Industries that match the keyword
meta = response["data"]["meta"]  # Meta information

Find similar industries

📖 Documentation

# Find industries similar to given ones
response = tca.search_industries_similar(
    industries=["saas", "fintech"]
)

similar = response["data"]["industries"]  # Industries that are similar to the given ones
meta = response["data"]["meta"]  # Meta information

⚛️ Technologies

Search technologies

📖 Documentation

# Search technologies by keyword
response = tca.search_technologies(
    search="shopify",
    size=10
)

technologies = response["data"]["technologies"]  # Technologies that match the keyword
meta = response["data"]["meta"]  # Meta information

🌍 Locations

Search cities

📖 Documentation

# Search cities by name
response = tca.search_cities(
    search="new york",
    size=5
)

cities = response["data"]["cities"]  # Cities that match the name
meta = response["data"]["meta"]  # Meta information

Search counties

📖 Documentation

# Search counties by name
response = tca.search_counties(
    search="orange",
    size=5
)

counties = response["data"]["counties"]  # Counties that match the name
meta = response["data"]["meta"]  # Meta information

Search states

📖 Documentation

# Search states by name
response = tca.search_states(
    search="california",
    size=5
)

states = response["data"]["states"]  # States that match the name
meta = response["data"]["meta"]  # Meta information

Search countries

📖 Documentation

# Search countries by name
response = tca.search_countries(
    search="france",
    size=5
)

countries = response["data"]["countries"]  # Countries that match the name
meta = response["data"]["meta"]  # Meta information

Search continents

📖 Documentation

# Search continents by name
response = tca.search_continents(
    search="asia",
    size=5
)

continents = response["data"]["continents"]  # Continents that match the name
meta = response["data"]["meta"]  # Meta information

💼 Job titles

Enrich a job title from its name

📖 Documentation

# Enrich "chief marketing officer"
response = tca.enrich_job_titles(name="chief marketing officer")

job_title = response["data"]  # Contains department, seniority, etc.

📋 Lists

Fetch your lists

📖 Documentation

# Fetch your lists
response = tca.fetch_lists()

lists = response["data"]["lists"]  # Lists that match the query
meta = response["data"]["meta"]  # Meta information

Create a list of companies

📖 Documentation

# Create a list of companies
response = tca.create_list(
    name="My SaaS List",
    type="companies"
)

new_list = response["data"]  # The new list

Fetch companies in your list

📖 Documentation

# Fetch companies in a list
response = tca.fetch_companies_in_list(list_id=1234)

companies = response["data"]["companies"]  # Companies that match the list
meta = response["data"]["meta"]  # Meta information

Add or remove companies in your list

📖 Documentation

# Add companies to a list
response = tca.toggle_companies_in_list(
    list_id=1234,
    companies=["apple.com", "stripe.com"]
)

list_data = response["data"]  # The updated list

👥 Teams

Fetch your team

📖 Documentation

# Fetch your team details
response = tca.fetch_team()

team = response["data"]  # Your team details

🔧 Utilities

Fetch the health of the API

📖 Documentation

# Check API health status
response = tca.fetch_api_health()

health = response["data"]  # The health of the API

Fetch the OpenAPI schema

📖 Documentation

# Fetch OpenAPI schema
response = tca.fetch_openapi()

schema = response["data"]  # The OpenAPI schema

🧪 Testing

Unit Tests

Run the unit tests that don't require an API token:

pytest tests/test_client.py -m unit

Integration Tests

The SDK includes comprehensive integration tests that make real API calls. To run them:

1. Create a .env file in the project root:

   # Required: Your API token from https://www.thecompaniesapi.com/settings/api-tokens
   TCA_API_TOKEN=your-api-token-here
   
   # Optional configurations
   TCA_API_URL=https://api.thecompaniesapi.com
   TCA_VISITOR_ID=your-visitor-id
   TCA_TIMEOUT=30
   

2. Install test dependencies:

   pip install -e ".[test]"
   

3. Run integration tests:

   # Run all integration tests
   pytest tests/test_integration.py -m integration -v
   
   # Run all tests except integration tests
   pytest -m "not integration"
   
   # Run all tests (unit + integration)
   pytest
   

The integration tests cover:

• Company search (GET and POST methods)
• Company counting and filtering
• Company lookup by email and domain
• Complex query serialization
• Error handling and edge cases
• Dynamic method access
• API health checks

🔗 Links

• The Companies API
• API Documentation
• TypeScript SDK
• Support & Live Chat

📄 License

MIT License © TheCompaniesAPI