Companies - 0-9

&Volume

'&Volume is an AI-powered risk management platform for digital assets, built for

.AIIgnore

The .aiignore file is a configuration specification that tells AI coding agents and LLM-powered developer tools which files, directories, and content should ...

.clinerules

.clinerules is the rule-file convention used by the Cline open-source AI coding agent. Projects expose persistent guidance to Cline by placing a .clinerules/...

.cursorrules

.cursorrules is a project-level configuration file used by the Cursor AI code editor to define custom rules, coding conventions, and behavioral instructions ...

.Gitattributes

Git configuration file defining path-specific settings for line endings, diff handling, merge strategies, and binary file detection.

.Gitignore

Git configuration file specifying intentionally untracked files and directories that Git should ignore, preventing build artifacts, dependencies, and secrets...

.Prompt.md

Reusable prompt template files for AI coding assistants, defining task-specific instructions that can be executed from chat interfaces. Used for standardizin...

.Roorules

.roorules is a configuration file convention for Roo Code, an open-source AI-powered autonomous coding assistant built for VS Code. The .roorules file allows...

.txt

.txt (dottxt) is the structured-generation company behind the open-source Outlines library (65M+ downloads). Its hosted platform, the dottxt API at api.dottx...

/dev/agents

'/dev/agents (homepage sdsa.ai) is building a next-generation operating

/dev/fast

/dev/fast is an AI-native code forge — code review, deployment infrastructure, and hosting rebuilt for the AI era. The product reframes code hosting, review,...

01 Advisors

'01 Advisors (01A) is an early-growth venture capital and advisory firm

01 Exchange

'01 Exchange (01.xyz) was a full-suite decentralized derivatives exchange on Solana,

01.AI

01.AI, founded by Kai-Fu Lee, is the creator of the Yi family of open-source and proprietary LLMs. The Lingyiwanwu open platform exposes OpenAI-compatible in...

01health

01Health is a UK-based health technology company building clinical infrastructure that lets specialist healthcare be delivered safely inside community and de...

0x

0x is the institutional-grade DEX aggregation and crypto liquidity infrastructure platform that powers token swaps inside hundreds of consumer wallets, excha...

1 Mainstream

'1 Mainstream was a cloud-based OTT (over-the-top) video streaming platform for content owners

1-Automotive

1-Automotive is an automotive industry company providing vehicle-related products and services. No public APIs have been documented for this provider.

10 Percent

10 Percent is a two-sided agricultural marketplace with embedded financial services, a

10% Happier

'10% Happier (now branded Happier Meditation) is a consumer meditation

1001 AI

1001 (also known as 1001 AI) is a deeptech artificial intelligence company founded in 2025 by Bilal Abu-Ghazaleh, a former director of generative AI operatio...

100ms

100ms is a live video and audio infrastructure company headquartered

1010data

1010data is an enterprise big-data analytics and data-management company whose Insights Platform combines a cloud-based columnar analytics engine (the "Trill...

1047 Games

'1047 Games is an independent video game studio best known for the arena

10percenthappier

10percenthappier (now branded Happier Meditation) is a personalized meditation

10Web

10Web is an AI-powered website builder platform that generates, hosts, and manages full WordPress websites on managed infrastructure, powering more than two ...

10x Genomics

'10x Genomics is a life sciences technology company building instruments, reagents, and

10x Science

'10x Science is an AI-native software company building the first AI-native

12 Gigs

12 Gigs, Inc. — later operating as Super Lucky Casino Inc. and renamed

123FormBuilder

123FormBuilder is an online form, survey, and workflow builder used to collect, route, and integrate submission data across websites, customer portals, and b...

13th Lab

'13th Lab was a Stockholm-based computer vision startup founded in 2012 that built SLAM (Simultaneous Localization and Mapping) technology for mobile devices...

15Five

'15Five is a continuous performance management platform that enables

17TRACK

Package tracking REST API supporting 3,300+ global carriers for real-time

180 Insurance

180 Seguros (180 Insurance) is the first tech-native insurer in Brazil, an SUSEP-authorized insurtech that lets fintechs, digital banks, credit cooperatives ...

18F

"Unofficial US Federal Government API Development"

1910 Genetics

'1910 Genetics (now branded 1910) is an AI-native biotechnology company advancing small

1Balance

1Balance (1Balance Living) is a personalized herbal-wellness and tea brand offering curated caffeinated and caffeine-free tisane blends formulated for differ...

1Factory

1Factory is a leading provider of quality management software solutions for manufacturing companies. The platform helps businesses streamline their operation...

1Forge

1Forge delivers real-time forex and cryptocurrency quotes for 700+ currency pairs through a simple JSON REST API and a low-latency WebSocket stream. The prod...

1hai

'eHi Car Rental (一嗨租车), operated by Shanghai eHi Information Technology

1Huddle

1Huddle is a Newark, New Jersey workforce training platform that uses science-backed, quick-burst mobile games to onboard, upskill, and engage employees. Fou...

1inch

1inch is a leading DeFi aggregator providing best-execution swaps across

1inch

1inch is the leading DEX aggregator. The 1inch Developer Portal exposes 13+ APIs covering Swap (classic, Fusion intent, cross-chain), Orderbook, Balance, Spo...

1mind

1mind is an AI-Led Growth (AILG) platform that deploys multimodal AI "Superhumans" — combining a face, a voice, and a go-to-market brain — for enterprise B2B...

1mind AI

1mind is an AI-led go-to-market (GTM) company building photorealistic AI "Superhumans" — agents with a face, voice, memory, and domain knowledge that engage,...

1NCE

1NCE is a Cologne-headquartered global IoT connectivity provider best known for the IoT Lifetime Flat — a single one-time fee that bundles a multi-network SI...

1Password

1Password is a password manager that helps individuals and businesses securely store and manage passwords, credentials, and sensitive information. The platfo...

1pt

"A simple URL shortener"

1stdibs

1stDibs is an online marketplace for luxury antiques, vintage and modern furniture, fine art, jewelry, watches, and fashion. It connects a global network of ...

1upHealth

'1upHealth is a FHIR-based health data interoperability platform providing

1upHealth

1upHealth is a US healthcare data interoperability company, founded in 2017 and headquartered in Boston, Massachusetts, that operates an HL7 FHIR-first healt...

1WorldSync

1WorldSync is the leading product content network and a GS1-certified GDSN data pool, helping consumer goods brands, manufacturers, and retailers create, man...

1X Technologies

1X Technologies (formerly Halodi Robotics) is a Norwegian-American humanoid robotics company building general-purpose bipedal robots designed to live and wor...

1X Technologies

1X Technologies is a humanoid robotics company headquartered in Palo Alto, California with vertically integrated manufacturing at the NEO Factory in Hayward....

1yongcloud

Beijing Yiyong Technology Co., Ltd. (北京壹永科技有限公司 / 1yongcloud), founded in October 2017, is a Chinese oncology big-data and artificial-intelligence company. I...

2020 Police Brutality

This repository accumulates and contextualizes evidence of police brutality during the 2020 George Floyd protests. The goal is to assist journalists, politic...

21 Market

21 Market is the API Evangelist network profile for 주식회사 21세기전파상 (21st Century Electronics Shop Co., Ltd.), a South Korean consumer-electronics resale compan...

21st

21st (21st.dev) is a Y Combinator-backed company building an open, community-driven registry of crafted React, Next.js and Tailwind CSS UI components, plus t...

21Vianet

21Vianet (VNET Group, Inc.) is the largest carrier-neutral internet and data center services provider in China, operating more than 50 data centers across ov...

222

'222 is a consumer social app that matches compatible strangers for curated,

23andMe

23andMe is a consumer genetics and biotechnology company founded in 2006 that sells saliva-based DNA test kits and returns ancestry composition, DNA relative...

24 Pull Requests

"Project to promote open source collaboration during December"

24/7 Real Media

'24/7 Real Media was a New York digital advertising technology and media

24Symbols

24Symbols is a digital reading subscription service, often described as a "Spotify for books," giving readers unlimited access to a catalog of more than 500,...

27Bards

27Bards is a company surfaced as a portfolio company of a16z and added to the API Evangelist

28 labs

28labs Inc. operates She's Well (sheswell.co), a consumer fertility-care platform that bundles egg freezing, fertility testing, IVF coordination, clinic visi...

2C2P

2C2P is a Singapore-headquartered payments platform serving merchants

2duche

2Duche was a Chinese used-car marketing and trading service platform, backed by

2nd Address

2nd Address (formerly Homesuite) was a Palo Alto, California online marketplace for monthly furnished rentals and corporate housing aimed at business travele...

2ndKitchen

2ndKitchen was a Chicago-based food-technology startup (Techstars '18) that let businesses without an on-site kitchen — bars, breweries, hotels, and apartmen...

2NDNATURE

2NDNATURE is a Santa Cruz, California environmental technology company

2U

2U, Inc. is an education technology company, founded in 2008 and headquartered in Lanham, Maryland, that partners with the world's top universities and compa...

2ULaundry

2ULaundry is a laundry and dry cleaning pickup-and-delivery service headquartered

2X

2X is the global leader in B2B Marketing-as-a-Service (MaaS), a subscription-based

360 Commerce

'360 Commerce is a New Zealand and Australia B2B ecommerce platform that helps wholesalers,

360 VUZ

VUZ (360 VUZ) is an immersive social video platform delivering live and on-demand 360-degree and VR content across sports, concerts, entertainment, celebriti...

360Learning

360Learning is a collaborative learning platform (LMS) that blends top-down and peer-to-peer "Collaborative Learning" to help enterprises upskill and train e...

3com

3Com Corporation was a networking-technology pioneer founded in 1979 by Robert Metcalfe,

3D Look

3DLOOK is an AI-powered body measurement and mobile body-scanning company whose computer-vision technology extracts 80+ accurate body measurements and 3D bod...

3DaGoGo

3DaGoGo, Inc. is a San Diego based technology company and the maker of AstroPrint, a cloud platform for consumer and professional 3D printing. AstroPrint pro...

3Jane

3Jane is an Ethereum-mainnet credit-based money market that issues algorithmic, real-time uncollateralized USDC credit lines underwritten against verifiable ...

3M

3M is a global science and manufacturing company. The 3M Partner and Supplier API provides real-time access to product, pricing, order, delivery, and invoice...

3P Learning Pty

'3P Learning is an educational technology company that builds blended learning software

3PAR (HPE 3PAR StoreServ)

3PAR is an enterprise storage platform, now part of Hewlett Packard Enterprise (HPE acquired 3PAR in 2010), that powers mission-critical applications with HP...

3PL Warehouse Manager

3PL Warehouse Manager is the flagship cloud warehouse management system

3T Biosciences

3T Biosciences is a clinical-stage immunotherapy company based in South San Francisco, developing next-generation T-cell receptor (TCR) therapeutics for soli...

3VR

3VR, Inc. was a San Francisco-based video intelligence and video surveillance analytics company founded in 2005 and backed by Kleiner Perkins among others. I...

410 Labs

410 Labs is a lean product studio based in Baltimore, Maryland, founded in 2010 by Dave Troy and Matthew Koll with the mission of helping people communicate ...

41st Parameter

The 41st Parameter, Inc. was a device-identification and web-fraud-detection company founded in 2004 and headquartered in Silicon Valley, with offices in Ari...

42 Floors

42Floors was a Y Combinator- and 500 Global-backed commercial real estate search platform founded in 2011 by Jason Freedman to make it easy to discover and l...

42 Technologies

42 Technologies is a retail business-intelligence and reporting platform, founded in 2013, that consolidates omnichannel retail data — point-of-sale, ecommer...

42Crunch

42Crunch is a leading API security company that specializes in protecting and securing APIs. They provide innovative solutions that help organizations safegu...

42Floors

42Floors was a commercial real estate (CRE) search engine that made it easy to search for office space, coworking, and commercial listings across major U.S. ...

42Maru

42Maru is a South Korean AI deep-tech company building a Deep Semantic TA (Text Analytics) and QA (Question Answering) platform that understands the true int...

451 Degrees

451 Degrees is a marketing-technology and ad-tech company founded in 2006 that builds Graffiti, a patented AI content ecosystem for digital content and ad-te...

46elks

46elks is a Swedish communications platform as a service (CPaaS) offering

4chan

4chan is a simple image-based bulletin board where anyone can post comments and share images across topic-specific boards. 4chan exposes a read-only JSON API...

4M Analytics

4M Analytics is a utility AI mapping company that builds the "Google Maps of underground infrastructure." Its platform compiles millions of scattered public ...

500 Global

500 Global (formerly 500 Startups) is a global venture capital firm and startup accelerator founded in 2010 by Dave McClure and Christine Tsai and headquarte...

500px

500px is an online photography community and stock-licensing platform where millions of photographers from over 195 countries showcase, discover, and license...

51job

51job (前程无忧) is one of China's largest online recruitment and human resource services platforms, operated by 51job, Inc. Founded in 1998 and headquartered in...

51Talk

'51Talk is an online English-language education platform that connects learners with

51Talk Koala (koalareading.com)

koalareading.com serves 51Talk考拉外教官网, the marketing landing page for 51Talk's "Koala" online English foreign-teacher tutoring product aimed at Chinese K-12 l...

52TOYS

52TOYS is a leading IP-driven toy and collectibles company founded in Beijing in 2015 on the brand proposition "Play for Fun." It designs and produces blind ...

555 Comic

555 Comic is an interactive storytelling and virtual-influencer studio founded by Ben Watanabe. It runs casts of anime-styled virtual characters — such as @C...

58.com

'58.com (58同城, "58 Tongcheng") is China''s largest online classifieds and local-services

5Nine Software

'5nine Software, Inc. was a US-based cybersecurity and cloud-management

6 River Systems

6 River Systems is a warehouse fulfillment robotics company founded in 2015 in Waltham,

6 Waves

'6waves is a global mobile game publisher founded in 2008 and headquartered in Hong Kong,

6 Wunderkinder

6 Wunderkinder (6Wunderkinder GmbH) was a Berlin-based software startup founded in 2010 that built Wunderlist, a popular cross-platform to-do list and task m...

60dB

60dB was a personalized short-form audio and podcast application built by Tiny Garage Labs, founded in 2016 by John Ciancutti, Steve Henn, and Steve McLendon...

61

61 is a company surfaced as a portfolio company of qiming and added to the API Evangelist

61draw

61draw (广东省六一线上非学科培训学校有限公司, Guangdong Liuyi Online Non-Academic

6river

'6 River Systems (6RS) is a warehouse fulfillment automation company founded in 2015 in

6sense

6Sense Insights

6Sense Insights, Inc. (6sense) is a San Francisco-based revenue AI platform for B2B account-based marketing and sales. Using its Signalverse intent graph and...

6thSense

6thSense is a physical-AI hardware company building the touch layer for dexterous

7 Chord

7 Chord is a New York-based financial technology company providing AI-driven,

7 Cups

'7 Cups is an online emotional-support and mental-health service that connects people

7 Cups

7 Cups is an online emotional support and mental health platform founded in July 2013 by psychologist Glen Moriarty (Y Combinator S13) and based in Palo Alto...

7 Cups

7 Cups (7cups.com) is an on-demand emotional health and online therapy service founded in 2013 and backed by Y Combinator. It connects people seeking support...

7-Eleven

'A global convenience store chain offering everyday essentials, snacks, and beverages. Known for its 24/7 operations and Slurpee brand drinks.'

7AI

7AI (Seven AI, Inc.) is a Boston-based cybersecurity company building an agentic security platform that offloads repetitive, non-human security-operations wo...

7digital

7digital (now operating as MassiveMusic following a corporate pivot toward Songtradr-affiliated business music services) is a B2B music platform that license...

7k7k

7k7k (7k7k.com) is a Chinese online casual gaming portal operating a consumer-facing

7shifts

7shifts is a restaurant employee scheduling, time-tracking, and team management platform that helps restaurant operators forecast labor, build schedules, man...

7Timer!

"Weather, especially for Astroweather"

80,000 Hours

80,000 Hours is an independent nonprofit, founded in 2011 by Benjamin Todd and William MacAskill out of Oxford, that provides free research and support to he...

82 Labs

82 Labs, Inc. (doing business as More Labs) is a Los Angeles-based, science-backed

83 Sciences

83 Sciences is an AI-native materials-discovery company (Y Combinator Summer 2026) that helps research labs unlock value from unpublished and discarded exper...

858 Therapeutics

858 Therapeutics is a clinical-stage biotechnology company based in San Diego, California, developing first-in-class and best-in-class small-molecule therapi...

8base

8base is a comprehensive Backend-as-a-Service platform that transforms the entire software development lifecycle by providing AI-assisted design, auto-genera...

8fig

8fig is an eCommerce growth platform and direct lender that provides continuous, revenue-based

8fit

8fit is a consumer health and fitness application offering personalized home workout programs (HIIT, boxing, Pilates, yoga, and meditation), custom healthy m...

8sec

8SEC is a hybrid-casual and hyper-casual mobile game studio based in Lyon,

8th Wall

8th Wall is a web-based augmented reality (WebAR) platform originally founded in 2016 and acquired by Niantic in March 2022. Following Niantic's 2025 sale of...

8Tracks

8tracks was a San Francisco-based internet radio and social music-streaming service that let people create and share handcrafted playlists ("mixes") of at le...

8VC

8VC is a technology investment firm founded in 2015 by Joe Lonsdale and Jake Medwell (with founding partners Drew Oetting and Kimmy Scotti) following the win...

9 Mothers Corporation

9 Mothers Corporation is a defense technology company founded in 2024 and based in Austin,

99 Counties

99 Counties is a regenerative-agriculture meat company selling 100% grass-fed and grass-finished beef and bison, pasture-raised pork, poultry, and lamb, plus...

99 Minutos

99minutos (99 Minutos) is a Latin American last-mile logistics and delivery platform serving ecommerce businesses across Mexico, Chile, Colombia and Peru. It...

99.co

99.co (99 Group) is a Singapore-headquartered real estate technology company and one of the largest property marketplaces in Southeast Asia. Founded in 2014 ...

99Bill

99Bill Corporation (快钱, Kuaiqian) is one of China's leading independent third-party electronic payment service providers, offering a comprehensive suite of o...

99designs

99designs by Vista is a global creative marketplace connecting clients with a worldwide network of freelance designers for logos, brand identity, web and pac...

99Dresses

99Dresses was a fashion resale and clothing-swap marketplace ("infinite closet") founded

99minutos

99minutos is a Latin American last-mile logistics and delivery company founded in 2014 and headquartered in Mexico City, operating across Mexico, Chile, Colo...

9am Health

9amHealth (join9am.com) is a US virtual cardiometabolic clinic delivering specialized care for type 2 diabetes, obesity/weight loss, high blood pressure, and...

9FIN

9fin is an AI-native debt market intelligence and data platform for modern credit teams, covering leveraged finance, private credit, distressed debt, high yi...

9GAG

9GAG is a Hong Kong-based global entertainment platform founded in 2008 with the mission to "make the world happier." It is one of the largest meme and user-...

9Slides

9Slides was a cloud-based presentation platform, founded by Ruchit Garg in 2011, that let

=nil; Foundation

=nil; Foundation is the developer of =nil;, an Ethereum Layer 2 blockchain powered by zkSharding that delivers horizontal scalability with built-in cross-sha...

@Home Network

'@Home Network (Excite@Home) was a pioneering residential broadband internet

@Stake

Stake (Stake Technologies, Inc., NMLS #2535498) operates the "Return on Rent" cash-back network for renters. Renters earn cash back on their rent payments, b...

École des Ponts ParisTech

École des Ponts ParisTech (École nationale des ponts et chaussées, ENPC) is a leading French public engineering grande école based in Champs-sur-Marne, ranke...

École Normale Supérieure de Lyon

École Normale Supérieure de Lyon (ENS de Lyon) is a French public research and higher-education institution in Lyon, ranked #187 in the QS World University R...

École Normale Supérieure de Paris

École Normale Supérieure de Paris (ENS, rue d'Ulm) is a leading French grande école and constituent member of Université PSL (Paris Sciences & Lettres), rank...

酷学院 (Cool College)

酷学院 (Cool College) is an enterprise training and talent-development SaaS platform operated by 酷渲（北京）科技发展有限公司 (Cool Render (Beijing) Technology Co., Ltd.), fo...