Y Combinator

Companies and company

Y Combinator helps you find companies in the public YC Startup Directory and view company profiles, founders, social links, and current job counts; results reflect listed information.

Get company

Get a YC company profile by name or YC page link, including founders, social links, and current job count. Fields not shown on the company page are returned as null.

Your information

Company

The YC company name or its YC company page link, for example Airbnb or https://www.ycombinator.com/companies/airbnb.

1 credit per completed run

The same inputs also work from your code or an AI assistant. See For developers.

Example results

Stripe

Economic infrastructure for the internet.

ActiveSummer 2009

Open roles3Current openings

Team size7,000

Founded2,009

Visit website View open roles View YC profile

About

Launched out of Y Combinator’s 2009 Summer batch, Stripe is a global technology company that builds economic infrastructure for the internet. Businesses of every size—from new startups to public companies—use our software to accept payments and manage their businesses online Stripe is a proud partner of YC companies—from Airbnb (S09) to Defog (W23)—to help them grow their businesses and increase the GDP of the internet.

Location: San Francisco
Industries: Banking as a Service, Fintech, SaaS

Founders

Patrick Collison
Founder/CEO
LinkedIn profile
John Collison
Founder/President
LinkedIn profile

Social profiles

LinkedIn Twitter GitHub

About the Y Combinator tool

Y Combinator data from ycombinator.com: companies and company.

Built from ycombinator.com. Last checked Sep 29, 2026.

Actions

Get company

1 credit

Get a YC company profile by name or YC page link, including founders, social links, and current job count. Fields not shown on the company page are returned as null.

What you provide

Field	Type	Required	Description
Company`company`	Text	Required	The YC company name or its YC company page link, for example Airbnb or https://www.ycombinator.com/companies/airbnb.Example: https://www.ycombinator.com/companies/stripe

What you get

Field	Type	Description
Name`name`	Text	Example: Stripe
Batch`batch`	Text	Example: Summer 2009
Status`status`	Text	Example: Active
Website`website`	Text	Example: http://stripe.com
Founders`founders`	List
Name`founders[].name`	Text	Example: Patrick Collison
Title`founders[].title`	Text	Example: Founder/CEO
LinkedIn Link`founders[].linkedin_link`	Text	Example: https://www.linkedin.com/in/patrickcollison/
Location`location`	Text	Example: San Francisco
Jobs Link`jobs_link`	Text	Example: https://www.ycombinator.com/companies/stripe/jobs
Team Size`team_size`	Number	Example: 7000
Industries`industries`	List
Founded Year`founded_year`	Number	Example: 2009
Social Links`social_links`	Details
GitHub`social_links.github`	Text	Example: https://github.com/stripe
Twitter`social_links.twitter`	Text	Example: https://twitter.com/stripe
Facebook`social_links.facebook`	Text	Example: https://www.facebook.com/airbnb/
LinkedIn`social_links.linkedin`	Text	Example: https://www.linkedin.com/company/stripe/
Crunchbase`social_links.crunchbase`	Text	Example: https://www.crunchbase.com/organization/airbnb
Yc Page Link`yc_page_link`	Text	Example: https://www.ycombinator.com/companies/stripe
Open Jobs Count`open_jobs_count`	Number	Example: 3
Long Description`long_description`	Text	Example: Launched out of Y Combinator’s 2009 Summer batch, Stripe is a global…
One Line Description`one_line_description`	Text	Example: Economic infrastructure for the internet.

Example result

For Company: https://www.ycombinator.com/companies/stripe

JSON

{
  "name": "Stripe",
  "batch": "Summer 2009",
  "status": "Active",
  "website": "http://stripe.com",
  "founders": [
    {
      "name": "Patrick Collison",
      "title": "Founder/CEO",
      "linkedin_link": "https://www.linkedin.com/in/patrickcollison/"
    },
    {
      "name": "John Collison",
      "title": "Founder/President",
      "linkedin_link": "https://www.linkedin.com/in/johnbcollison/"
    }
  ],
  "location": "San Francisco",
  "jobs_link": "https://www.ycombinator.com/companies/stripe/jobs",
  "team_size": 7000,
  "industries": [
    "Banking as a Service",
    "Fintech",
    "SaaS"
  ],
  "founded_year": 2009,
  "social_links": {
    "github": "https://github.com/stripe",
    "twitter": "https://twitter.com/stripe",
    "facebook": null,
    "linkedin": "https://www.linkedin.com/company/stripe/",
    "crunchbase": null
  },
  "yc_page_link": "https://www.ycombinator.com/companies/stripe",
  "open_jobs_count": 3,
  "long_description": "Launched out of Y Combinator’s 2009 Summer batch, Stripe is a global technology company that builds economic infrastructure for the internet. Businesses of every size—from new startups to public compa…",
  "one_line_description": "Economic infrastructure for the internet."
}

Search companies

1 credit

Find YC-funded companies by keyword, industry, batch, location, hiring, or status. Returns up to 200 companies in directory order; locations match company-listed places.

What you provide

Field	Type	Required	Description
Batch`batch`	Text	Optional	YC batch, such as Summer 2025 or W24.Example: W24
Query`query`	Text	Optional	Keywords to search, such as payroll.Example: Payroll
Status`status`	Text	Optional	Company status, such as active.Example: Active
Industry`industry`	Text	Optional	Industry, such as Fintech or Healthcare.Example: Fintech
Location`location`	Text	Optional	City or country, such as San Francisco or India.Example: San Francisco
Hiring Only`hiring_only`	Yes or no	Optional	Only companies hiring, such as true.Example: Yes
Max Results`max_results`	Number	Optional	Maximum companies to return, such as 25 (up to 200).Example: 5

What you get

Field	Type	Description
Companies`companies`	List	Matching YC companies in directory order.
Name`companies[].name`	Text	Company name.Example: Grade
Batch`companies[].batch`	Text	YC batch.Example: Winter 2026
Status`companies[].status`	Text	Company status.Example: Active
Website`companies[].website`	Text	Company website.Example: https://usegrade.com
Location`companies[].location`	Text	Listed company location.Example: San Francisco, CA, USA
Team Size`companies[].team_size`	Number	Reported team size.Example: 2
Industries`companies[].industries`	List	Industry categories.
Description`companies[].description`	Text	One-line company description.Example: API for performance-based payroll
Yc Page Link`companies[].yc_page_link`	Text	Company page on Y Combinator.Example: https://www.ycombinator.com/companies/grade

Example result

For Query: Payroll, Industry: Fintech, Max Results: 5

JSON

{
  "companies": [
    {
      "name": "Grade",
      "batch": "Winter 2026",
      "status": "Active",
      "website": "https://usegrade.com",
      "location": "San Francisco, CA, USA",
      "team_size": 2,
      "industries": [
        "Fintech"
      ],
      "description": "API for performance-based payroll",
      "yc_page_link": "https://www.ycombinator.com/companies/grade"
    },
    {
      "name": "Eazipay Inc.",
      "batch": "Winter 2022",
      "status": "Active",
      "website": "https://myeazipay.com",
      "location": "Lagos, LA, Nigeria",
      "team_size": 27,
      "industries": [
        "Fintech",
        "Payments"
      ],
      "description": "Eazipay powers effortless payroll and financial access in Africa.",
      "yc_page_link": "https://www.ycombinator.com/companies/eazipay-inc"
    },
    {
      "name": "Monet",
      "batch": "Summer 2021",
      "status": "Active",
      "website": "https://monet.com.co/",
      "location": "Miami, FL, USA; Remote",
      "team_size": 42,
      "industries": [
        "Fintech"
      ],
      "description": "Payroll-backed loans and cash advances in Latam",
      "yc_page_link": "https://www.ycombinator.com/companies/monet"
    }
  ]
}

For developers

Call it from your code with one request. Change the values in input to run it on new data. To get an API key, open Developers at the bottom of Studio, turn on Developer mode and go to API keys.

cURL

curl 'https://api.fous.com/v1/query' \
  --fail-with-body --silent --show-error --max-time 180 \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H 'Content-Type: application/json' \
  --data-raw '{
  "api": "@y-combinator",
  "visibility": "public",
  "operation": "get_company",
  "version": 1,
  "input": {
    "company": "https://www.ycombinator.com/companies/stripe"
  },
  "response": {
    "format": "json"
  }
}'

Questions about Y Combinator

Can I run it with my own inputs?

Yes. Change the inputs in Studio and press Run, or send new inputs from your code, or ask a connected AI assistant.

Can I call this Y Combinator tool as an API?

Yes. Send a POST request to /v1/query with your Fous API key and the inputs, and get JSON back.

How much does it cost?

Each completed run costs 1 credit. Failed runs without a completed receipt are free; completed work can remain charged if delivery is interrupted. With pay as you go, a credit costs 1¢. Monthly plans cost less per credit.

Do I need a Y Combinator account?

No. You only need a Fous account.

How current is the data?

Fous gets the data from ycombinator.com when you run it. Some results are reused for up to 24 hours, and results that use your account or key are never reused. It was last verified on Sep 29, 2026.