yc-api

Typed Python client for the unofficial Y Combinator companies API.

Install

pip install yc-api

Quick start

from yc_api import YCClient

client = YCClient()

# All companies
companies = client.get_all()

# Currently hiring
hiring = client.get_hiring()

# Single company
company = client.get_company("winter-2026", "airbnb")
print(company.name, company.one_liner)

# Founders with emails
for founder in company.founders:
    if founder.email:
        print(f"  {founder.full_name}: {founder.email}")

# Filter
ai_companies = client.search(tag="AI", hiring=True)

Async

Every method has an async counterpart prefixed with a:

import asyncio
from yc_api import YCClient

async def main():
    client = YCClient()
    companies = await client.aget_all()
    print(len(companies))

asyncio.run(main())

Models

All responses are fully typed with Pydantic models:

• Company — full company object with founders, jobs, news, launches
• Founder — name, bio, social links, SMTP-verified email
• Job — title, location, salary/equity range, visa status, skills
• News — press articles
• Launch — Launch YC posts
• Partner — assigned YC group partner
• Meta — API index with counts and endpoint URLs

Enums

CompanyStatus

• ACTIVE
• INACTIVE
• ACQUIRED
• PUBLIC

CompanyStage

• EARLY
• GROWTH

CompanyIndustry

• B2B
• CONSUMER
• EDUCATION
• FINTECH
• GOVERNMENT
• HEALTHCARE
• INDUSTRIALS
• REAL_ESTATE_AND_CONSTRUCTION
• UNSPECIFIED

CompanySubindustry

• B2B
• B2B_ANALYTICS
• B2B_ENGINEERING_PRODUCT_AND_DESIGN
• B2B_FINANCE_AND_ACCOUNTING
• B2B_HUMAN_RESOURCES
• B2B_INFRASTRUCTURE
• B2B_LEGAL
• B2B_MARKETING
• B2B_OFFICE_MANAGEMENT
• B2B_OPERATIONS
• B2B_PRODUCTIVITY
• B2B_RECRUITING_AND_TALENT
• B2B_RETAIL
• B2B_SALES
• B2B_SECURITY
• B2B_SUPPLY_CHAIN_AND_LOGISTICS
• CONSUMER
• CONSUMER_APPAREL_AND_COSMETICS
• CONSUMER_CONSUMER_ELECTRONICS
• CONSUMER_CONTENT
• CONSUMER_FOOD_AND_BEVERAGE
• CONSUMER_GAMING
• CONSUMER_HOME_AND_PERSONAL
• CONSUMER_JOB_AND_CAREER_SERVICES
• CONSUMER_SOCIAL
• CONSUMER_TRANSPORTATION_SERVICES
• CONSUMER_TRAVEL_LEISURE_AND_TOURISM
• CONSUMER_VIRTUAL_AND_AUGMENTED_REALITY
• EDUCATION
• FINTECH
• FINTECH_ASSET_MANAGEMENT
• FINTECH_BANKING_AND_EXCHANGE
• FINTECH_CONSUMER_FINANCE
• FINTECH_CREDIT_AND_LENDING
• FINTECH_INSURANCE
• FINTECH_PAYMENTS
• GOVERNMENT
• HEALTHCARE
• HEALTHCARE_CONSUMER_HEALTH_AND_WELLNESS
• HEALTHCARE_DIAGNOSTICS
• HEALTHCARE_DRUG_DISCOVERY_AND_DELIVERY
• HEALTHCARE_HEALTHCARE_IT
• HEALTHCARE_HEALTHCARE_SERVICES
• HEALTHCARE_INDUSTRIAL_BIO
• HEALTHCARE_MEDICAL_DEVICES
• HEALTHCARE_THERAPEUTICS
• INDUSTRIALS
• INDUSTRIALS_AGRICULTURE
• INDUSTRIALS_AUTOMOTIVE
• INDUSTRIALS_AVIATION_AND_SPACE
• INDUSTRIALS_CLIMATE
• INDUSTRIALS_DEFENSE
• INDUSTRIALS_DRONES
• INDUSTRIALS_ENERGY
• INDUSTRIALS_MANUFACTURING_AND_ROBOTICS
• REAL_ESTATE_AND_CONSTRUCTION
• REAL_ESTATE_AND_CONSTRUCTION_CONSTRUCTION
• REAL_ESTATE_AND_CONSTRUCTION_HOUSING_AND_REAL_ESTATE
• UNSPECIFIED

JobType

• FULL_TIME
• INTERNSHIP
• CONTRACT
• CO_FOUNDER

JobRole

• DESIGN
• ENGINEERING
• FINANCE
• LEGAL
• MARKETING
• OPERATIONS
• PRODUCT
• RECRUITING_HR
• SALES
• SCIENCE
• SUPPORT

JobVisa

• US_ONLY
• NOT_REQUIRED
• WILL_SPONSOR

JobExperience

• ONE_PLUS
• THREE_PLUS
• SIX_PLUS
• ELEVEN_PLUS
• ANY

License

MIT