List of Y Combinator Companies in New York

OpenSea is an online marketplace for buying and selling cryptocollectibles. The company is located in New York City and was founded in 2017.

Airbnb is a company that provides an online platform for listing, searching, and booking rental accommodations.

Company providing user behavioral analytics for revenue optimization for websites and smartphone applications

Faire is a curated boutique wholesale marketplace connecting local retailers with thousands of emerging and established brands.

Blockstack is a full stack internet platform for building decentralized apps.

Aesthetic is a creative automation tool for digital marketers

Lattice is a people workforce management platform for goal management, weekly check-ins, and performance reviews.

SendBird is a developer of a messaging API for mobile applications and websites.

A federally regulated financial exchange that allows investors to trade directly on the anticipated outcome of future events. It was founded in 2019 and is located in New York, New York. 

Protocol Labs is an open-source R&D lab.

6sense is a company that developed the Account Based Orchestration Platform, a product that uses artifical intelligence (AI) to help revenue teams with account-based buying.

Also known as the Daily Muse, The Muse is a company developing an online career platform that provides job listings and career advice to people. It participated in the W12 cohort of Y Combinator. It was founded in 2011 and is located in New York City, New York.

SmartAsset is a financial technology company that provides automated personalized financial advice. It participated in the S12 cohort of Y Combinator.

Pave is a software company specializing in developing compensation documenting solutions for businesses.

Fullstack Academy is a software engineering school. It participated in the S12 cohort of Y Combinator.

Caper offers contactless and automated checkout, powered by AI and computer vision.

Paperspace is an artificial intelligence company developing applications built on graphics processing units.

A software company specializing in making solutions for the healthcare industry. It was founded in 2017 and is located in New York City.

An automated assistant platform that manages legal paperwork for businesses, founded by Cai GoGwilt and Jason Boehmig.

Genius is a media annotation website.

American technology company founded on june 11, 2014 and based in redwood city, california

Mage is a marketplace for Magic: The Gathering cards

Authy is a company providing an API for developers for customizing authentication for applications and authentication platform for enterprises.

Online custom framing for posters, art prints, photos and more.

Saratoga Energy is a company developing a production process of carbon nanotubes for lithium-ion batteries.