Companies - W

W. R. Berkley

W. R. Berkley Corporation is one of the largest commercial lines property and casualty insurance holding companies in the United States, operating through mo...

W. R. Grace

W. R. Grace & Co. is a global producer of specialty chemicals and specialty materials, providing catalysts and process technologies to refining, petrochemica...

W3C

The World Wide Web Consortium (W3C) is the main international standards body for the World Wide Web, founded by Tim Berners-Lee in 1994. W3C develops web sta...

W4 Games

W4 Games is the company commercializing the open-source Godot game engine. It provides hands-on professional services (adoption, architecture, performance, p...

Waabi

'Waabi is a Toronto-based artificial intelligence company founded in 2021 by Raquel

Wabash National

'Profile for Wabash National in the API Evangelist network. Fortune F1000 (rank 913).'

WABCO Holdings

WABCO Holdings was a leading global supplier of technologies and services that improve the safety, efficiency, and connectivity of commercial vehicles. The c...

Wabi

'Wabi is a consumer AI mini-app platform — billed as "the first personal

wacai

Wacai (挖财, Hangzhou Wacai Network Technology Co., Ltd.) is a Chinese fintech and personal-finance company founded in 2009, best known for its "挖财记账" personal...

Waffl

Waffl is an early-stage website builder — a drag-and-drop platform for creating a

Waffle Labs

Waffle Labs, Inc. (Waffle Insurance) is a consumer InsurTech company and

Wag!

Wag! is a US pet-care marketplace that connects dog and pet owners with local, background-checked caregivers for on-demand and scheduled dog walking, drop-in...

Wageningen University & Research

Wageningen University & Research (WUR) is a Dutch university and research institution based in Wageningen, Netherlands, specializing in the domain of healthy...

Wager API

Wager API is a modern sports betting data platform that enables developers to build sports betting applications, bots, and predictive models with a single AP...

Wagmo

Wagmo is a modern pet healthcare company offering three consumer products: Wagmo Wellness (a reimbursement plan covering routine and preventative care such a...

Wagtail

Wagtail is a leading open-source Python content management system built on Django. It provides a REST API v2 for accessing pages, images, documents, snippets...

WAH Holidays

WAH Holidays is a company surfaced as a portfolio company of 500-global and added to the

Wahoo Fitness

Wahoo Fitness is an Atlanta, Georgia endurance-training hardware and software company building cycling and run-training products: the ELEMNT family of GPS bi...

Waifu.im

"Get waifu pictures from an archive of over 4000 images and multiple tags"

Waifu.pics

"Image sharing platform for anime images"

WakaTime

WakaTime is an automated time-tracking and productivity analytics service for software developers. IDE plugins (VS Code, JetBrains, Vim, Emacs, Sublime, Xcod...

Wakeo

Wakeo is a Paris-based SaaS platform for real-time multimodal supply-chain visibility across sea, air, road, rail, and parcel. It combines carrier, telematic...

Waldo

Waldo is a no-code mobile test automation platform for iOS and Android that lets any team member create, run, and maintain reliable end-to-end tests on a clo...

Walgreens

Walgreens is one of the largest pharmacy-led health and wellbeing companies

Walgreens Boots Alliance

Walgreens Boots Alliance (WBA) is a global pharmacy-led health and wellbeing enterprise operating in more than 25 countries, with pharmacy chains Walgreens i...

Walk Score

Walk Score measures the walkability, transit accessibility, and bikeability of any address in the United States and Canada. The Walk Score API returns Walk S...

Walker & Co.

Walker & Company Brands is a health and beauty products company founded in 2013 by Tristan Walker, best known for Bevel, an end-to-end shaving and grooming s...

Walker and Company *

'Walker and Company * is a company surfaced as a portfolio company of gv and added to the

WalkerCo

Walker & Company Brands (WalkerCo) is a health and beauty company founded by Tristan Walker that designs grooming and personal-care products for people of co...

Walkie-Talkie

'Walkie-Talkie is a Gen Z social audio platform built by Picslo Corp that hosts live

WalkMe

WalkMe is a Digital Adoption Platform delivering in-app guidance, walkthroughs, and analytics that help users navigate and adopt enterprise applications.

Wallapop

Wallapop is a Barcelona-based consumer marketplace for buying and selling second-hand items across Spain, Italy, and Portugal, backed by Accel, Insight Partn...

Wallarm

Wallarm provides advanced API security and protection solutions for APIs, web applications, and microservices. The platform includes API discovery, real-time...

WallData

'WallData (Wall Data Inc.) was a Kirkland, Washington host-connectivity software company,

Wallet Studio

Wallet Studio, built by Miss Moneypenny Technologies GmbH, is a no-code SaaS platform for creating, deploying, and managing Apple Wallet and Google Wallet pa...

Wallex

Wallex is a Singapore-headquartered cross-border payments and business banking platform for businesses across Southeast Asia and Greater China. Its Partner A...

Wallhaven

"Wallpapers"

WallstreetBets

"WallstreetBets Stock Comments Sentiment Analysis"

Walltime

"To retrieve Walltime's market info"

Walmart

Walmart is a multinational retail corporation that operates a chain of

Walnut

Walnut is an AI-powered sales demo platform that enables go-to-market teams to create, personalize, and embed interactive product demonstrations. The platfor...

Walrus Protocol

Walrus is a decentralized blob storage protocol built on Sui by Mysten Labs, the team behind the Sui blockchain. It provides robust, cost-effective storage f...

Walt Disney

The Walt Disney Company is a leading diversified international family entertainment and media enterprise with operations across media networks, parks and res...

Walter

Walter is a San Francisco-based Y Combinator (Spring 2026) startup building an AI employee for the manufacturing back office. Founded in 2026 by Nikolas Kell...

Waltz Health

'Waltz Health is a Chicago-based digital health company founded in 2021 by Mark Thierer

Walzay Inc.

Walzay Inc. is a global tech-talent recruitment marketplace, founded in

WanAPIs

Developer-focused AI API gateway with an OpenAI-compatible endpoint. One API key gives access to GPT, Claude, Gemini, DeepSeek, image, video, and audio model...

Wandbox

"Code compiler supporting 35+ languages mentioned at wandbox.org"

Wandelbots

'Wandelbots is a German industrial-robotics software company whose NOVA

Wander

Wander is a vertically integrated luxury hospitality company offering smart vacation homes with hotel-grade amenities, dedicated remote-work spaces, and 24/7...

Wandera

Wandera was a zero-trust mobile security company (backed by Bessemer Venture Partners and Sapphire Ventures) that Jamf acquired in July 2021 for approximatel...

Wanderable

Wanderable was a honeymoon and experience gift registry startup founded in 2012 by Stanford

Wanderu

Wanderu is a ground-travel metasearch and booking platform - a Kayak-style aggregator

Wandoujia

'Wandoujia (豌豆荚, "pea pod") is a Chinese Android app distribution platform and mobile

wanelo

wanelo ("The intelligent everything store") is an AI-powered shopping storefront offering natural-language and visual product discovery, personalized recomme...

Waniwani

Waniwani is an AI distribution platform: it helps companies build, deploy, and optimize AI apps — lightweight services built on the Model Context Protocol (M...

Wanted

'Wanted was a talent-sourcing recruitment marketplace, backed by Partech and

wantful

Wantful was a personalized online gift-giving service founded in 2011 by John

Wappalyzer

Technology detection REST API for identifying software, frameworks, CMS platforms, analytics tools, and other technologies used on any website. Provides prog...

Warbler Labs Incorporated

Warbler Labs is the San Francisco-based software company founded in 2020 by former Coinbase

Warblerlabs

Warbler Labs is a San Francisco fintech and blockchain company (founded 2020 by Blake West and Michael Sall) that builds and contributes to the Goldfinch Pro...

Warby Parker

'Warby Parker (NYSE: WRBY) is a direct-to-consumer eyewear and vision

Warehousing1

'Warehousing1 is a Berlin-based LogTech company, founded in 2018 by Nico

Warface (non-official)

"Official API proxy with better data structure and more features"

Wargaming.net

"Wargaming.net info and stats"

Warmly

Warmly is a signal-based revenue orchestration and AI go-to-market platform that de-anonymizes website visitors down to the individual person, unifies first-...

Warner Bros. Discovery

Warner Bros. Discovery is a leading global media and entertainment company that creates and distributes the world's most differentiated and complete portfoli...

Warner Brothers

'A major American film and entertainment studio producing movies, television shows, and interactive entertainment. Part of Warner Bros. Discovery operating a...

Warner Music Group

Warner Music Group is one of the major record labels in the music industry, with recorded music and music publishing operations spanning a roster of artists,...

Warp

Warp is an open-source, Rust-based, GPU-accelerated agentic development environment built on top of a modern terminal. It combines a high-performance termina...

WarpStream

WarpStream is a diskless, Apache Kafka-compatible data streaming platform built directly on top of cloud object storage such as S3, GCP, and Azure. It elimin...

Warrant

"APIs for authorization and access control"

Warrant

Warrant was a centralized, fine-grained authorization (FGA) and access control service inspired by Google Zanzibar, exposing a real-time REST API to define a...

Warren

'Warren (Warren Investimentos e Gestao Patrimonial) is a Brazilian digital wealth-management

Warrior Met Coal

Warrior Met Coal is a major US corporation and Fortune 1000 company. The Warrior Met Coal API provides programmatic access to its platform services, data, an...

Wasabi

Wasabi Hot Cloud Storage is an S3-compatible object storage service offering a REST API that mirrors the Amazon S3 API for storing, retrieving, and managing ...

Waseda University

Waseda University is a leading private research university in Tokyo, Japan, ranked #181 in the QS World University Rankings 2025. Its public, machine-readabl...

Washington University in St. Louis

Washington University in St. Louis (WashU) is a private research university in St. Louis, Missouri, ranked #171 in the QS World University Rankings 2025. Its...

wasmCloud

wasmCloud is a CNCF incubating platform for building, managing, and scaling distributed applications using WebAssembly components. It provides a runtime that...

WasmEdge

WasmEdge is a lightweight, high-performance, and extensible WebAssembly runtime for cloud native, edge, and decentralized applications. It powers serverless ...

Wasmer

Wasmer is a WebAssembly runtime, package registry, and edge platform.

Wasp

Wasp is an open-source, batteries-included full-stack web framework for the AI era. It uses a declarative configuration (the Wasp Spec, main.wasp.ts) layered...

Waste Connections

Waste Connections is the third-largest integrated provider of solid waste services in North America, serving approximately nine million residential, commerci...

Waste Management

Waste Management (WM) is the largest environmental services company in North America, providing waste collection, transfer, disposal, and recycling services ...

Watch Club

'Watch Club is a mobile streaming and social platform for young adults, built around

Watchdata

"Provide simple and reliable API access to Ethereum blockchain"

WatchGuard

WatchGuard provides cloud-managed network and endpoint security solutions including Firebox next-generation firewalls, WatchGuard Endpoint Security (WES), Au...

Watchmode

"API for finding out the streaming availability of movies & shows"

watchTowr

watchTowr is a Preemptive Exposure Management (PEM) and External Attack Surface Management (EASM) platform founded by hackers, combining continuous attack su...

Waterfall

Waterfall is a sequential software development methodology where progress flows steadily downward through defined phases including requirements, system desig...

Waterlily

'Waterlily is an AI-native, end-to-end long-term care (LTC) planning

Waters Corporation

Waters Corporation is a major US corporation and Fortune 1000 company. The Waters Corporation API provides programmatic access to its platform services, data...

Watershed

'Watershed is an enterprise sustainability platform used by large companies

WATI

WATI is an official WhatsApp Business Platform that provides a shared team inbox, no-code chatbot builder, broadcast campaigns, and CRM integrations for busi...

Wato

Wato is the control point for AI agents at work — a governed, shared AI workspace that gives teams reviewed memory, approved MCP connectors and tools, versio...

Watsco

Watsco, Inc. is the world's largest distributor of air conditioning, heating, and refrigeration (HVAC/R) equipment and related products. Operating through su...

Watsi

Watsi is a San Francisco-based 501(c)(3) nonprofit crowdfunding platform

Watson Natural Language Understanding

"Natural language processing for advanced text analysis"

Wattpad

Wattpad is a Toronto-based social storytelling platform where a global community of more than 90 million writers and readers create, share, and read serializ...

Watts Water Technologies

Watts Water Technologies is a major US corporation and Fortune 1000 company. The Watts Water Technologies API provides programmatic access to its platform se...

WattTime

WattTime is a nonprofit organization that provides real-time, forecast, and historical data for electric grids around the world, enabling carbon-aware comput...

Wave

Wave is a virtual entertainment company that produces interactive, avatar-driven virtual concerts and immersive live music experiences known as "Waves." The ...

Wave AI

Wave AI (WaveAI) is a Sunnyvale, California AI music company founded in 2017 by David Loker, Dr. Maya Ackerman, and Chris Cassion, building foundational gene...

Wave Capital

'Wave Capital is an early-stage venture capital seed fund based in San Francisco,

Wave Financial

Free accounting software for small businesses with a GraphQL API for

Wave Mobile Money

Wave is a Dakar, Senegal-headquartered mobile money company on a mission to "make Africa the first cashless continent." Founded by Drew Durbin and Lincoln Qu...

Wave Therapeutics

Wave Therapeutics is a healthtech medical-device company founded in 2017 and headquartered in Nashville, Indiana, and backed by Techstars (Future of Longevit...

Waveset

Waveset Technologies was a privately held identity-management software vendor based in

Wavii

Wavii was a Seattle-based startup founded in 2008 by Adrian Aoun that

Wawa

Wawa is a privately held, family-owned convenience store and fuel retail chain headquartered in Pennsylvania. Founded in 1803 as a dairy farm and operating c...

Wawanesa Insurance

The Wawanesa Mutual Insurance Company, founded in 1896 in Wawanesa, Manitoba and headquartered in Winnipeg, is one of Canada's largest property and casualty ...

WAX

WAX (Worldwide Asset eXchange) is a purpose-built, carbon-neutral layer-1 blockchain and protocol token for NFTs, blockchain gaming, and e-commerce, built as...

Waxell

Waxell is an AI agent governance and observability platform that provides runtime policy enforcement, auto-instrumented LLM telemetry, MCP governance, cost m...

Wayco

Wayco (Wayco AI, Inc.) is a Y Combinator (W26) startup building an AI operator for medical-legal cases. Its platform automates personal-injury and mass-tort ...

Wayfair

Wayfair Inc. is one of the world's largest online destinations for home goods and furniture, serving over 20 million customers and 10,000+ suppliers. Wayfair...

Wayflyer

Wayflyer provides revenue-based financing and growth capital for e-commerce businesses, and exposes its funding products to software platforms through the Ho...

Wayhome

Wayhome (formerly Unmortgage) is a London-based property technology company founded in 2016 by Nigel Purves and Josef Wasinski. It offers "Gradual Homeowners...

Waymark

Waymark is a healthcare technology and services company that scales value-based, community-based care for people enrolled in Medicaid. In partnership with he...

Waymo

Waymo is the autonomous driving subsidiary of Alphabet, originally spun out of the Google Self-Driving Car Project. The company develops the Waymo Driver, a ...

WayPay

WayPay was a cloud-based B2B payments and accounts-payable-automation fintech headquartered

Waystar

Waystar is a healthcare payments and revenue cycle management (RCM)

WaystoCap

WaystoCap launched in 2015 in Casablanca, Morocco as a Y Combinator-backed

wayup

WayUp is a US early-career job and internship marketplace that connects college

Wayve

Wayve is a London-based embodied AI company pioneering AV2.0, an end-to-end, mapless, vehicle-agnostic approach to autonomous driving built on large-scale se...

Waze

Waze is a Google-owned, community-driven navigation and real-time traffic application. Its developer surface is not a self-service JSON REST API but a set of...

WazirX

WazirX is an Indian cryptocurrency exchange (transitioning to Zettai) providing REST and WebSocket APIs for spot trading on INR and crypto markets, order man...

WCAG

Web Content Accessibility Guidelines (WCAG) are a set of international standards published by the W3C Web Accessibility Initiative (WAI) for making web conte...

WE11DONE

'WE11DONE (pronounced "well done") is a Seoul-based fashion label founded in 2015 by

Wealor

Wealor is an AI-native platform for wealth managers, building a centralized, queryable source of truth across wealth management, tax, legal, estate, and insu...

Wealth-X

Wealth-X, an Altrata company founded in 2010, provides curated wealth intelligence on ultra-high-net-worth (UHNW) and very-high-net-worth (VHNW) individuals ...

Wealth.com

'Wealth.com is the industry-leading estate and tax planning platform for financial

Wealthbox

Wealthbox is a CRM platform built specifically for financial advisors, offering contact management, task workflows, opportunities, projects, and collaborativ...

Wealthfront

Wealthfront is an automated investment service offering REST APIs and integrations for portfolio management, financial planning, tax optimization, direct ind...

WealthKernel

WealthKernel is a UK- and EU-regulated digital investing infrastructure provider that offers "investing as a service" through a single REST API. It supplies ...

Wealthsimple

'Wealthsimple is a Toronto-based Canadian financial technology company, founded in 2014,

Weather Underground

Weather Underground operates a personal weather station network of 250,000+ stations worldwide, providing hyperlocal weather data via a REST API. The PWS API...

weather-api

"A RESTful free API to check the weather"

Weather.gov

Weather.gov is the official website of the National Weather Service (NWS), operated by NOAA within the US Department of Commerce. The NWS provides weather, h...

WeatherAPI

WeatherAPI.com provides real-time, forecast, historical, marine, future, astronomy, air quality, pollen, sports, IP lookup, time zone, and geolocation data v...

Weatherbit

Weatherbit is a leading provider of weather data and forecasting services. They specialize in delivering accurate

Weatherbys Bank

Weatherbys Bank is a small, family-owned UK private bank, part of the Weatherbys Banking Group, trading since James Weatherby founded the family business in ...

Weatherstack

"Real-Time & Historical World Weather Data API"

Weav

Weav.ai is an AI-native decisioning platform for property & casualty (P&C) insurance, applying agentic AI and document intelligence across underwriting, prem...

Weave

Weave (Weave Communications, Inc., NYSE: WEAV) is an all-in-one customer communication and payments platform built for small and medium healthcare and servic...

Weave

Weave is an all-in-one customer and patient communication and payments

Weave Net

Weave Net is an open source container networking plugin that creates a virtual network connecting Docker containers and Kubernetes pods across multiple hosts...

WeaveAPI - OpenAI-compatible AI API Gateway

WeaveAPI is an OpenAI-compatible /v1 gateway for calling supported model families (OpenAI, Anthropic, DeepSeek, Qwen, Kimi, GLM, MiniMax) through a clean Ope...

Weaveworks

Weaveworks was the cloud-native company that coined the term "GitOps" and built the Weave family of open-source infrastructure tooling — Weave Net (multi-hos...

Weaviate

Weaviate is an open-source, AI-native vector database that enables developers to build semantic search and AI-powered applications. It stores data as vector ...

Weavix

weavix is the "Internet of Workers" frontline communication and workforce productivity platform, built around walt, a purpose-built smart radio for industria...

Weavr

Weavr is an embedded-finance ("banking-as-a-service") platform that lets software companies embed regulated financial products — managed accounts, IBANs, vir...

Web Methods

Web Methods (webMethods) is an enterprise integration platform pioneer,

Web of Science APIs

The Web of Science APIs provide programmatic access to Clarivate's Web of Science databases, the world's leading citation index covering over 21,000 peer-rev...

Web of Trust

"IP/domain/URL reputation"

Web Series Quotes Generator

"API generates various Web Series Quote Images"

Web Standards

Specifications and guidelines that define how web technologies should work, ensuring interoperability and consistency across browsers and platforms. Web stan...

Web Summit

Web Summit is one of the world's largest technology conferences, held annually in Lisbon, Portugal each November. Founded in 2009, it attracts over 70,000 at...

Web Van 2.0

Web Van 2.0 is a portfolio company of a16z, appearing as a name-only entry on the

Web3 Foundation

'Web3 Foundation is a Swiss nonprofit founded in 2017 by Gavin Wood

Web3 Storage

"File Sharing and Storage for Free with 1TB Space"

Web3Auth

Web3Auth (now MetaMask Embedded Wallets) is a non-custodial threshold-key

webAI

webAI is a sovereign AI platform for building, owning, and connecting specialized intelligence that runs where your data lives. Instead of sending sensitive ...

Webb Protocol

'Webb Protocol is a company surfaced as a portfolio company of polychain and added to the

WebComics

WebComics (webcomicsapp.com) is a digital comics reading platform for Asian serialized comics, offering a large free library of manhua, manhwa, and manga acr...

Webdam

"Images"

Webex

Cisco Webex is a comprehensive collaboration platform offering APIs for messaging, meetings, calling, devices, and contact center workflows. The Webex Develo...

Webfinanceholding

'Web Finance Holding AD is a Bulgarian financial-services holding company established in

Webflow

Webflow provides a visual web development platform with a comprehensive

Webflow API and Documentation

Webflow provides a visual web development platform with a comprehensive REST API for programmatically managing sites, CMS collections, ecommerce, assets, use...

Webhelp

Webhelp is a French customer-experience and business-process-outsourcing (BPO) company

WebinarJam

WebinarJam is a live webinar platform for marketing, training, and sales events, while its sibling product EverWebinar provides automated and evergreen webin...

Webinars

Weblate

Weblate is an open-source web-based localization platform that provides a comprehensive REST API for managing translation projects, components, strings, and ...

Webloyalty

Webloyalty is a customer-engagement and loyalty-marketing company that helps ecommerce and retail businesses build stronger, more profitable customer relatio...

WebMynd

WebMynd, later known as Trigger.io, was a 500 Global backed startup that built Forge, a toolkit

WebPT

WebPT is a rehabilitation-therapy software company providing a cloud practice-management platform for physical, occupational, and speech therapy and behavior...

Webroot

Webroot is a cybersecurity company, now part of OpenText Cybersecurity, that provides cloud-based endpoint protection, DNS protection, security awareness tra...

WebScraping.AI

"Web Scraping API with built-in proxies and JS rendering"

Website Carbon

"API to estimate the carbon footprint of loading web pages"

WebsitePros

WebsitePros, now operating as Web.com, is an American company that provides website building, web hosting, domain registration, e-commerce, and online market...

WebSockets

WebSockets is a communication protocol providing full-duplex communication channels over a single TCP connection, enabling real-time data exchange between cl...

Webster Bank

Webster Bank, N.A. is a nationally chartered commercial bank (National Association) and the principal banking subsidiary of Webster Financial Corporation (NY...

Webster Financial

Webster Financial Corporation (NYSE:WBS) is a regional financial services company that delivers banking and financial solutions to businesses and individuals...

Webstudio

Webstudio is an advanced open-source visual website builder and Webflow alternative that lets designers and developers build fast, maintainable websites usin...

Webull

Webull is a commission-free online brokerage whose Webull OpenAPI platform gives quantitative and algorithmic traders programmatic access to trading and mark...

WEC Energy Group

WEC Energy Group (NYSE: WEC) is one of the nation's premier energy companies, serving 4.4 million customers across Wisconsin, Illinois, Michigan, and Minneso...

WeCanTrack

"Automatically place subids in affiliate links to attribute affiliate conversions to click data"

Wecare Probiotics

Wecare Probiotics (微康益生菌) is a Chinese biotechnology company specializing in probiotic

WeChat

WeChat (Weixin) is Tencent's flagship super-app, combining messaging, social, payments, mini-apps, official-account publishing, video, enterprise collaborati...

weclapp

weclapp is a German cloud ERP / CRM / commerce platform for small and mid-sized businesses, combining CRM, sales, order management, accounting, inventory / w...

WeCook

'WeCook is a company surfaced as a portfolio company of dcm-ventures and added to the API

Weddington Way

Weddington Way is a company surfaced as a portfolio company of battery-ventures and added

Wedgies

Wedgies is a company surfaced as a portfolio company of 500-global and added to the API Evangelist

WeDidIt

WeDidIt was a Brooklyn, New York fundraising platform founded in 2012 by Su

Wednesday

'Wednesday is a company surfaced as a portfolio company of cowboy-ventures and added to the

Weebly

Weebly (a Square company) is a website and e-commerce builder providing REST APIs for managing sites, pages, products, orders, customers, blog posts, and cus...

Weeby

Weeby is a mobile/social game company surfaced as a portfolio company of 500 Global and

Weedmaps

Weedmaps is a cannabis discovery and ordering marketplace connecting

Weee

Weee! is America's largest online Asian grocery store and delivery platform, operating as a direct-to-consumer online supermarket serving major metropolitan ...

Weekend Health (Found)

'Weekend Health, Inc. (operating as Found / Found Health) is a consumer telehealth company

Weel

Weel (formerly DiviPay, operated by Weel Pty Ltd) is a Melbourne-based all-in-one spend management platform for finance teams in Australia and New Zealand, s...

WeFitter

WeFitter is a health and fitness data platform ("one API to access wearable data, gamification and AI") operated by Thunderbyte.AI in Groningen, Netherlands....

wefox

wefox is a Berlin-headquartered digital insurance distribution platform that connects insurance carriers, brokers, and end customers through a single technol...

Weft

Weft was a Burlington, Vermont based supply-chain logistics startup, founded by Marc Held around 2013-2014, that combined hardware sensors and software to tr...

Wefunder

Wefunder is the largest SEC-registered funding portal, the home of the Community Round — a Public Benefit Corporation (YC W13) that has helped 4,400+ founder...

Wegalvanize

Wegalvanize.com is the former web home of Galvanize, the governance, risk, and compliance (GRC) software company behind the HighBond platform; Galvanize was ...

Weglot

Weglot is a website translation platform that detects, translates, and

WeGoWhere

WeGoWhere is a consumer social-activity coordination mobile app (originally

WegoWise

WegoWise (now Comply by Measurabl) is a building energy and water benchmarking platform enabling property owners, managers, and energy service providers to p...

WeGrow asia CO., LTD.

'WeGrow asia CO., LTD. (威果) is a Taiwan-based agricultural technology company

WeiBook

WeiBook is a company surfaced as a portfolio company of 500-global and added to the API Evangelist

Weights & Biases

Weights & Biases is the ML developer platform for experiment tracking, model registry, artifact management, sweeps, reports, and (Weave) GenAI evaluation. Th...

Weights and Biases

Weights and Biases (W&B) is an MLOps and AI developer platform covering the full lifecycle of model and LLM application development. W&B Models provides expe...

Weilos

Weilos was a health and wellness startup surfaced as an a16z portfolio company and added to the API Evangelist network as a stub for enrichment. As of the 20...

WeiMai

WeiMai (微脉) is a Chinese healthcare technology company operated by Choice Technology Inc. and headquartered in Hangzhou. It runs an internet-based medical se...

Weis Markets

Weis Markets is a regional supermarket chain operating grocery stores in the mid-Atlantic United States, with 197 store locations across Pennsylvania, Maryla...

Weka

WEKA (WekaIO, Inc.) builds NeuralMesh, a software-defined, high-performance data platform for AI, machine learning, and HPC workloads. Its container-native s...

Welcome

'Welcome (welco.me) was an AI-powered travel planning product (TripNotes) surfaced

Weld

Weld is a programmable data-infrastructure platform for moving and transforming data. It runs near real-time ELT/ETL pipelines from 300+ prebuilt connectors,...

Well

Well is a personalized health engagement platform for employers and their workforce, marketed as "your personalized daily health partner." It pairs an AI-dri...

WELL Health Technologies

WELL Health Technologies Corp (TSX: WELL, OTCQX: WHTCF) is a Vancouver, Canada-headquartered healthcare technology company that is Canada's largest outpatien...

Wellcare Health Plans

WellCare Health Plans was a managed care company that focused exclusively on government-sponsored managed care services through Medicaid, Medicare Advantage,...

Wellframe

'Wellframe is a digital health management and member engagement company, now part of HealthEdge,

Wellhub

Wellhub (formerly Gympass) is a corporate wellbeing platform that gives employees access to a network of fitness, mindfulness, therapy, nutrition, and sleep ...

WellnessLiving

'WellnessLiving is all-in-one business-management software for fitness studios, gyms, spas,

Wells Fargo

Wells Fargo is a diversified, community-based financial services company

WellSaid Labs

WellSaid Labs is an AI text-to-speech voice platform. Its REST API renders

WellSaid Labs

WellSaid Labs is an AI text-to-speech (TTS) platform that turns text

WellSky

WellSky provides care coordination and home health software with REST APIs for managing patient referrals, authorizations, visit scheduling, clinical documen...

Wellster

'Wellster Healthtech Group is a German digital healthcare company founded in Munich in 2018

WellTheory

WellTheory is a virtual autoimmune care platform that provides whole-person support for people living with autoimmune and inflammatory conditions, pairing me...

Welltok

'Welltok is a data-driven, enterprise SaaS company that delivers a healthcare

Welltower

Welltower Inc. (NYSE: WELL) is an S&P 500 healthcare REIT that invests in senior housing, post-acute care, and outpatient medical properties across the Unite...

Wellxai

Wellx (Wellxai) is a Dubai-based health insurtech company that transforms health insurance from reactive to proactive through AI-driven behavior change. Its ...

Welly

Welly is a health and wellness brand and Certified B Corporation that designs first

WeMash

WeMash was a Los Angeles-based, cloud-based video mashup platform founded

Wendys

The Wendy's Company is a leading international quick-service restaurant chain operating over 7,000 restaurants worldwide. Wendy's operates digital commerce c...

Wenrix

Wenrix is an AI infrastructure company for the travel industry, providing embedded AI that helps Online Travel Agencies (OTAs) and Travel Management Companie...

Wenspiredata

Wenspiredata is an enterprise cybersecurity vendor delivering all-in-one, zero-trust Privileged Remote Access Management (RPAM) for high-risk access. Its pla...

weotta

weotta is a company surfaced as a portfolio company of slow-ventures and added to the API

WePay

WePay is a payments platform, founded in 2008 and backed by 500 Global and Y Combinator,

WePlayed

WePlayed builds AI-powered short-form video for college athletics, automatically

Werf

Werf is an open-source CNCF sandbox project providing a complete GitOps-based CI/CD solution for Kubernetes. It implements the full application delivery life...

WeRide

'WeRide (NASDAQ: WRD) is an autonomous driving technology company founded in 2017 and headquartered

Werner Enterprises

Werner Enterprises is a leading transportation and logistics company providing truckload transportation services, logistics solutions, and supply chain manag...

Wesabe

Wesabe is a company surfaced as a portfolio company of union-square-ventures and added to

WESCO International

WESCO International is a Fortune 500 leading provider of business-to-business distribution, logistics services, and supply chain solutions for electrical, in...

Weshine

'Weshine (闪萌, Shanmeng), operated by Beijing Shanqu Information Technology Co., Ltd (北京闪趣信息技术有限公司),

West Technology Group

West Technology Group is a cloud-based global technology company providing customer experience and communications solutions through its WestCX platform. The ...

Westar Energy

Westar Energy was the largest electric utility in Kansas, providing electric service to homes, businesses, and industries throughout Kansas before merging wi...

Westbound Equity Partners

'Westbound Equity Partners is a venture capital firm that invests financial and social

Western & Southern Financial Group

Western & Southern Financial Group is a Fortune 500 diversified family of financial services companies headquartered in Cincinnati, Ohio. Founded in 1888, th...

Western Alliance Bancorp.

Western Alliance Bancorporation is a bank holding company headquartered in Phoenix, Arizona, that provides commercial banking, treasury management, and speci...

Western Alliance Bancorporation

Western Alliance Bancorporation is a major US corporation and Fortune 1000 company. The Western Alliance Bancorporation API provides programmatic access to i...

Western Alliance Bank

Western Alliance Bancorporation (NYSE: WAL) is a Phoenix, Arizona based super-regional bank holding company with roughly $80 billion in assets, operating thr...

Western And Southern Financial

Western & Southern Financial Group is a diversified family of financial services companies headquartered in Cincinnati, Ohio, offering life insurance, annuit...

Western Australia Data Catalogue

Western Australia Data Catalogue is a state government open-data portal for Australia running CKAN. It exposes the CKAN catalog API, a standardized machine-r...

Western Digital

Western Digital is a global leader in data infrastructure, providing storage solutions including hard disk drives, solid state drives, flash memory, and data...

Western Midstream Partners

Western Midstream Partners (WES) is a midstream energy company that owns and operates oil, natural gas, and water gathering systems, natural gas processing p...

Western Refining

Western Refining was an independent crude oil refiner and marketer of refined petroleum products headquartered in El Paso, Texas. The company operated refine...

Western Union

The Western Union Company is a global leader in cross-border, cross-currency money movement, providing money transfer, money order, and other financial servi...

Western University

Western University is a public research university in London, Ontario, Canada, ranked #120 in the QS World University Rankings 2025. Its public, machine-read...

Westinghouse Air Brake Technologies

Westinghouse Air Brake Technologies Corporation (Wabtec) is a leading global provider of equipment, systems, digital solutions, and value-added services for ...

Westlake

Westlake Corporation is a global Fortune 500 manufacturer and supplier of materials and innovative products that enhance life every day. The company produces...

Westlake Chemical

Westlake Chemical (now Westlake Corporation) is a global manufacturer and supplier of petrochemicals, polymers, building products, and specialty chemicals. T...

Westmag

Western Magnetics (Westmag) designs and manufactures brushless DC (BLDC)

WeStock

WeStock is a shopper-marketing platform that helps consumer packaged goods (CPG)

Westpac Banking Corporation

Westpac Banking Corporation is Australia's oldest bank and company, founded

WestRock

WestRock (now Smurfit Westrock following its 2024 merger with Smurfit Kappa) is one of the world's largest paper and packaging companies. The company provide...

Westwing

Westwing is Europe's number one "Beautiful Living" e-commerce company, present in more than 20 European countries. It is a premium one-stop Home & Living des...

Wetpaint

'Wetpaint is a media brand operating wetpaint.com, an entertainment and lifestyle

WeTravel

WeTravel is a booking and payments platform for the multi-day and group travel industry - tour operators, retreat and adventure-travel organizers, and travel...

Wevat

Wevat is a Seedcamp-backed fintech and travel-tech company operating a mobile app

Wevorce

Wevorce is an online divorce and family-law technology company that offered self-guided

WeWork

WeWork is a global flexible-workspace provider operating ~600 owned locations plus a Coworking Partner Network of 2,000+ partner spaces across 20+ countries....

WEX

'Fortune 1000 company WEX. Public API documentation has not yet been catalogued in the API Evangelist network.'

Wexler

Wexler AI operates a Fact Intelligence Platform built for legal disputes

Weyerhaeuser

Weyerhaeuser is one of the world's largest private owners and managers of timberlands, operating approximately 10.4 million acres of timberlands in the U.S. ...

Wger

"Workout manager data as exercises, muscles or equipment"

Wget

GNU Wget is a free, open-source command-line utility for non-interactive downloading of files from the web using HTTP, HTTPS, FTP, and FTPS protocols. It sup...

WGL Holdings

WGL Holdings was an integrated energy holding company headquartered in Washington, D.C., serving over 1 million customers across the District of Columbia, Ma...

Whalerock

'Whalerock is a company surfaced as a portfolio company of insight-partners and added to

What The Commit

"Random commit message generator"

What's on the menu?

"NYPL human-transcribed historical menu collection"

what3words

what3words has divided the world into a grid of three-metre squares and given each one a unique three-word address (e.g. ///filled.count.soap). The what3word...

Whatfix

Whatfix is a Digital Adoption Platform that delivers in-app guidance, self-help, and product analytics to drive software adoption and user productivity.

Whatifi

Whatifi is a visual financial modeling and scenario planning platform for small and medium businesses, letting founders, fractional CFOs, VFX and gaming stud...

whatiseven

whatiseven (Even, formerly Even Responsible Finance) was an earned-wage-access

WhatJobs

"Job search engine"

Whatnot

Whatnot is a live-stream commerce marketplace focused on collectibles and resale categories.

WhatPulse

"Small application that measures your keyboard/mouse usage"

WhatsApp

APIs for the WhatsApp messaging platform, enabling businesses to communicate with customers through the world's most popular messaging app.

WhatsCookin

WhatsCookin' is a community cooperation platform — a "Cooperation Engine for Communities"

Wheel

Wheel is a healthcare technology company providing the infrastructure for modern telehealth. Its Wheel Horizon platform is a modular care-enablement system t...

Wheel

Wheel is a telehealth and virtual care enablement platform (Wheel Horizon) that lets digital health companies, pharmaceutical and life-sciences firms, health...

Wheelocity

Wheelocity (Wheelocity Fresh Private Limited) is a Bangalore, India based logistics and supply-chain company building daily fresh-produce and grocery deliver...

Wheels Up

Wheels Up Experience Inc. (NYSE: UP) is a leading on-demand private aviation provider in the U.S., offering charter and membership programs, commercial trave...

Whelp

Whelp is an omnichannel customer messaging and support platform that unifies

When I Work

When I Work is an employee scheduling and workforce management platform serving over 200,000 workplaces in industries such as restaurants, retail, healthcare...

When is next MCU film

"Upcoming MCU film information"

Whereby

Whereby is an embeddable video API plus standalone meetings product that

WhereParcel

"Unified parcel tracking API across 60+ carriers worldwide (USPS, FedEx, UPS, DHL, etc.)"

Whereto

Whereto is a company surfaced as a portfolio company of 500-global and added to the API Evangelist

Wherobots

Wherobots is a managed cloud platform for geospatial analytics and spatial AI at planetary scale, built by the creators of Apache Sedona. WherobotsDB is a di...

Whill

WHILL, Inc. designs and manufactures enhanced personal mobility solutions — electric power chairs and mobility scooters, including the Model C2, Model F, the...

Whimsical

Whimsical is a visual workspace for boards, mind maps, flowcharts, wireframes, and documents. The Whimsical API is in limited beta with read-only endpoints f...

Whip Media Group

Whip Media is a SaaS company powering the global media and entertainment industry through its AI-native Helix platform, which connects content licensors and ...

Whiplash

Whiplash is a multichannel order fulfillment and third-party logistics (3PL) platform providing a REST API for managing orders, SKUs, inventory levels, shipm...

Whiplash Merchandising

Whiplash (now Ryder E-commerce by Whiplash) is an order-fulfillment and third-party logistics (3PL) platform for direct-to-consumer and ecommerce brands. It ...

Whippy

Whippy is an AI-powered customer communication platform unifying SMS,

Whirl

'Whirl AI is an enterprise IT platform that uses AI agents to help IT teams understand,

Whirlpool Corporation

Whirlpool Corporation is the world's only major U.S.-based manufacturer of kitchen and laundry appliances, with approximately $16 billion in annual net sales...

Whisky Hunter

Whisky Hunter is a market research and data platform for whisky collectors, investors, traders, and enthusiasts that aggregates historical auction data from ...

WhiskyHunter

"Past online whisky auctions statistical data"

Whisper Aero

'Whisper Aero is a Crossville, Tennessee based aerospace company developing

Whisperr, Inc.

Whisperr, Inc. builds an autonomous customer-retention platform that detects churn risk and acts on it automatically, without a lifecycle marketing team oper...

Whistic

Whistic is an AI-driven Third-Party Risk Management (TPRM) platform that helps organizations assess vendor security, monitor third-party risk continuously, a...

Whistle

Whistle is a cross-platform HTTP, HTTPS, HTTP/2, WebSocket, and TCP debugging proxy built on Node.js. It enables developers to inspect, intercept, modify, an...

Whitespace

Whitespace is an AI operating system for wholesale distributors, based in London and part of Y Combinator's Summer 2026 batch. The platform connects to a dis...

Whitespace

Whitespace Software Limited is a London-based digital placing platform for the Lloyd's and London (re)insurance market, and one of only two electronic placin...

WhiteWave Foods

The WhiteWave Foods Company was a consumer packaged food and beverage company headquartered in Denver, Colorado. It offered plant-based foods and beverages, ...

Whiting Petroleum

Whiting Petroleum was an independent oil and gas company engaged in the exploration, development, and production of crude oil, natural gas, and natural gas l...

WHMCS

WHMCS (Web Host Manager Complete Solution) is a leading web hosting automation platform that provides billing, client management, support, domain management,...

WhoAPI

WhoAPI (founded 2011, WhoAPI Inc.) is a domain-intelligence API company that exposes WHOIS records, real-time domain availability across hundreds of TLDs, do...

Whole Foods Market

Whole Foods Market is an American multinational supermarket chain owned by Amazon, exclusively selling products free from hydrogenated fats and artificial co...

Whole Surplus

Whole Surplus (now operating as Fazla) is a Turkish technology-based waste management and circular-economy company backed by Techstars. It prevents waste at ...

Wholesail

'Wholesail is an all-in-one accounts receivable and B2B payments platform for food & beverage

WholeShare

WholeShare is a company surfaced as a portfolio company of 500-global, a16z and added to

WHOOP

WHOOP is a fitness and recovery wearable platform providing a REST API

WHOOP

WHOOP is a wearable health and performance company whose wrist-worn strap (WHOOP 5.0 and medical-grade WHOOP MG) measures heart rate, HRV, respiratory rate, ...

Whop

Whop is a marketplace and commerce platform for selling digital products, memberships, and access to online communities, courses, software, and other creator...

Whova

Whova is an award-winning all-in-one event management platform built around a mobile event app that carries the agenda, speaker profiles, attendee networking...

WhyLabs

WhyLabs was an AI observability platform focused on data and model monitoring for both classical ML and LLM

Wi Charge

Wi-Charge is a long-range wireless power company that transmits electricity over the air using infrared light, delivering safe, automatic charging to smart d...

WIBMO

'Wibmo is a full-stack PayTech company (acquired by PayU / Naspers in 2019) providing

Wichorus

Wichorus was a mobile-broadband infrastructure company surfaced as a portfolio company

Wideframe

Wideframe is a Y Combinator (Winter 2026) startup building an AI agent for video production that automates the work editors do outside the editing timeline. ...

Widen

Acquia Digital Asset Management (formerly Widen Collective) provides a REST API for managing digital assets, metadata, collections, embed codes, and asset di...

Wideo

Wideo is an online video creation and automation platform that lets teams produce animated videos, presentations, and marketing content from drag-and-drop te...

WideOrbit

WideOrbit is a premium ad management platform for the media industry, giving broadcast television, cable and broadcast networks, radio, and digital publisher...

Widgera, Inc.

Widgera is an AI-native business platform that unifies a company's operations into what it calls "One Adaptive OS." Its AI assistants (branded Aiva) learn a ...

Wifkain

Wifkain is a company surfaced as a portfolio company of 500-global and added to the API Evangelist

wigo

wigo is a company surfaced as a portfolio company of slow-ventures and added to the API Evangelist

Wiji

Wiji is a company surfaced as a portfolio company of 500-global and added to the API Evangelist

Wikidata

Wikidata is a free, collaborative, multilingual knowledge graph hosted by the Wikimedia Foundation. It provides structured linked data for Wikipedia and othe...

Wikidocs

Wikidocs was a real-time collaboration startup (wikidocs.io) that built a framework for turning any web page into a live, editable, multi-user "docs" service...

Wikifarmer

Wikifarmer is a global agricultural platform that connects producers

Wikifolio

wikifolio (wikifolio Financial Technologies AG) is a European social- and copy-trading platform that lets everyday investors follow, compare, and invest in t...

Wikimapia

Wikimapia is a collaborative geographic wiki that layers crowdsourced place information onto satellite imagery. Launched in 2006, the platform covers over 32...

Wikimedia

Wikimedia provides REST APIs for accessing Wikipedia, Wikidata, Commons, and other Wikimedia project content including page summaries, search, media files, p...

Wikipedia / MediaWiki

Wikipedia is the free, multilingual online encyclopedia operated by the non-profit Wikimedia Foundation. The platform exposes its content and structured data...

Wikisource

Wikisource is the Wikimedia Foundation's free library of source texts — public-domain and freely-licensed books, historical documents, legal texts, constitut...

Wikivoyage

Wikivoyage is the free, collaboratively written travel guide operated by the non-profit Wikimedia Foundation. It covers travel destinations worldwide with ar...

Wiktionary

Wiktionary is the free, collaborative multilingual dictionary project of the Wikimedia Foundation, the dictionary sibling of Wikipedia. Programmatic access i...

WildApricot

WildApricot is a cloud-based membership management software platform designed for associations, nonprofits, and clubs. It provides tools for managing members...

Wildcard

'Wildcard is a PvP collectible-card-based MOBA (multiplayer online battle

Wildfire

Wildfire is a company surfaced as a portfolio company of 500-global, qed-investors and added

Wildfire Interactive

Wildfire Interactive, Inc. was a social media marketing software company founded in 2008 by Victoria Ransom and Alain Chuard in Redwood City, California. Its...

Wildlife Studios

'Wildlife Studios is one of the world''s largest mobile game developers and

Wildtype

'Wildtype is a company surfaced as a portfolio company of crv, spark-capital and added to

Wiley

'A global publishing and education company providing research, professional development, and learning solutions. Publishes peer-reviewed journals, textbooks,...

Wiliot

Wiliot operates an ambient IoT platform built on battery-free "IoT Pixels" - postage-stamp-sized Bluetooth sensor tags - and a cloud that turns everyday phys...

Willbros Group

Willbros Group was a specialty energy infrastructure contractor that served the oil and gas, power, refining, petrochemical, and other industries before bein...

Williams Companies

Williams Companies is a Fortune 500 energy infrastructure company that operates approximately 33,000 miles of natural gas pipeline infrastructure, moving rou...

Williams Companies

The Williams Companies is an American Fortune 500 energy company focused on natural gas infrastructure, processing, and transportation. Williams owns and ope...

Williams-Sonoma

Williams-Sonoma, Inc. is a Fortune 500 American publicly traded retail company specializing in kitchenware and home furnishings. It is one of the largest e-c...

Willing

Willing was an online estate-planning and will-making platform (a 500 Global portfolio

Willo

Willo is an asynchronous ("one-way") video interviewing and screening

Wily Technology

Wily Technology is a company surfaced as a portfolio company of accel and added to the API

Win-Win

Win-Win (trywinwin.com) is a charitable-fundraising platform that gamifies giving. Participants

Winc

Winc is a direct-to-consumer online wine club and retailer (winc.com) offering curated, personalized wine subscriptions and single-bottle purchases matched t...

WinCL

WinCL (윈클) is a Korean integrated carbon-management platform that helps enterprises calculate greenhouse-gas emissions, produce climate disclosures and repor...

WindBorne Systems

WindBorne Systems operates a global constellation of long-duration Global

Winden

'Winden (Winden Technologies, Inc.) is a US fintech offering an AI-powered

Windfall

Windfall is an AI-powered people intelligence platform that helps go-to-market teams personalize workflows with wealth and career data, serving 1,500+ organi...

Windfall Bio

'Windfall Bio transforms methane emissions into organic fertilizer and carbon credits

Windfall Data

Windfall (windfall.com, formerly windfalldata.com) is a people-intelligence and AI platform that personalizes go-to-market workflows with wealth and career d...

Windmill

Windmill is an open-source developer platform and workflow engine for turning scripts into webhooks, workflows, and internal apps. It supports TypeScript, Py...

Windmill

Windmill is an open-source developer platform that turns scripts (Python,

Windstream Holdings

Windstream Holdings is a leading provider of advanced network communications and technology solutions including managed services, cloud computing, and broadb...

Windsurf

Windsurf (formerly Codeium) is the AI-native code editor and plugin family from the Codeium team, featuring Cascade - an agentic chatbot that collaborates wi...

Windsurf

Windsurf (formerly Codeium) is an AI-native code editor featuring Cascade, an autonomous AI agent that can plan multi-step code changes, execute terminal com...

Windwalk Games

Windwalk Games is a gaming-focused company whose mission is "Creating Communities

Windward

Windward is a Maritime AI company headquartered in London and Washington D.C. delivering mission-grade, multi-source maritime intelligence for defense agenci...

Windy

Windy.com is a weather visualization platform serving high-resolution

Wine Vybe

Wine Vybe is a wine, beer, and liquor database API platform that provides access to comprehensive beverage data including wine regions, grape varieties, tast...

Wine-Searcher

Wine-Searcher is the world's leading wine search engine and marketplace, providing access to prices, availability, and data on over 15 million wines from ret...

Wineaccess

'Wine Access is an online wine retailer that curates limited-production and hard-to-find

Wing

Wing is Alphabet's drone delivery subsidiary, spun out of Google X in 2018, with operating headquarters in Palo Alto, California and significant operations i...

Wing Cloud

Wing Cloud is the company behind Wing (Winglang), an open-source, cloud-oriented programming language created by Elad Ben-Israel, the creator of AWS CDK. Win...

Wing Security

Wing Security is an AI security platform providing automated discovery, risk assessment, and governance of AI agents, SaaS applications, and app-to-app integ...

Wing Venture Capital

Wing Venture Capital is an early-stage venture firm founded in 2013 by Peter Wagner and Gaurav Garg (both former partners at Sequoia Capital and Accel) and h...

Wingspan

Wingspan is a contractor payments and payroll platform built for the independent

Wingstop

Wingstop Inc. (NASDAQ: WING) is a US-based quick-service restaurant chain specializing in cooked-to-order chicken wings, tenders, and sides across thousands ...

Wingu *

'Wingu * is a company surfaced as a portfolio company of gv and added to the API Evangelist

Winn.ai

Winn.ai is an AI-powered revenue execution platform for B2B sales teams that joins live sales calls to provide real-time playbook guidance, coach representat...

Winnebago Industries

Winnebago Industries is a leading North American manufacturer of outdoor lifestyle products under the Winnebago, Grand Design, Newmar, Chris-Craft, Barletta,...

WINT

WINT (also styled Wint) is an AI-powered water management and leak-detection platform for commercial and industrial facilities. Its IoT flow sensors, automat...

Wintermute

Wintermute is a leading global algorithmic trading firm and cryptocurrency market maker providing institutional-grade liquidity across centralized exchanges,...

Wintrust Financial

Wintrust Financial Corporation is a Rosemont, Illinois-based financial holding company operating a network of chartered community banks (Wintrust Bank, N.A. ...

Wiom

'Wiom is an Indian consumer internet company offering recharge-based home

Wired

Wired (wired.com) is an American technology and culture magazine published by Condé Nast, covering how emerging technologies affect culture, the economy, and...

WiredScore

'WiredScore is the global standard-setting organization for digital connectivity and smart

Wireframes

Wireframes are low-fidelity visual representations of user interface layouts used in early design stages to establish structure, hierarchy, and functionality...

WireMock

WireMock is an open source tool for mocking HTTP services and APIs. It enables developers to build stable, predictable development environments by creating m...

Wireover Co.

Wireover Co. is a company surfaced as a portfolio company of a16z and added to the API Evangelist

Wireshark

Wireshark is the world's foremost and widely-used free and open-source network protocol analyzer. It lets you capture and interactively browse the traffic ru...

Wisdom AI

WisdomAI is an enterprise agentic analytics platform built around an Adaptive Context Engine that governs business context across distributed data sources (S...

Wise

Wise (formerly TransferWise) provides cross-border payments and multi-currency

Wise (TransferWise)

'Wise (formerly TransferWise) was surfaced as a portfolio company of sapphire-ventures,

Wise Systems

Wise Systems provides autonomous routing and last-mile delivery optimization

Wisear

Wisear is a Paris-based neurotechnology company building an AI-powered neural interface that lets people control devices through voiceless and touchless comm...

WISECRICKET HOLDING KY

WiseCricket (WISECRICKET HOLDING KY) offers AI-powered fiscal and accounting

Wiselayer

WiseLayer is an AI-powered accounting automation platform that provides named "digital workers" (AI agents) for finance and accounting teams, automating task...

Wiser

Wiser Solutions is a retail and commerce intelligence company that provides pricing, market, and MAP (minimum advertised price) intelligence to brands and re...

Wisetack

'Wisetack is an embedded consumer financing (pay-over-time) platform for

Wish

Wish, operated by ContextLogic Inc., is a global mobile-first e-commerce marketplace that connects value-conscious consumers with merchants and manufacturers...

Wishbird Experiences

Wishbird Experiences is Mexico's largest online marketplace for gift experiences, offering

Wishup

Wishup is a remote-work outsourcing platform that matches businesses with pre-vetted

WISK

WISK is a bar, restaurant, and hospitality inventory and cost-management

Wisk Aero

Wisk Aero is an autonomous, all-electric eVTOL air taxi developer and a wholly-owned subsidiary of The Boeing Company. Wisk is developing its Generation 6 ai...

WISK.ai

WISK.ai is an inventory management and hospitality intelligence platform for bars, restaurants, and hotels, covering inventory counts, invoicing, purchasing,...

Wispr AI

Wispr AI is the company behind Wispr Flow, an AI voice-to-text dictation

Wispr Flow

Wispr Flow is a voice-to-text dictation application from Wispr that lets

Wisq

'Wisq is an AI platform for human resources that automates HR service management,

Wistia

Wistia is an all-in-one video marketing platform for businesses that combines branded video hosting, webinars, video editing, webcam and screen recording, an...

WIT Soundivew

WIT Soundivew is a company surfaced as a portfolio company of battery-ventures and added

Wit.AI

Wit.ai is a natural language processing (NLP) platform from Meta that lets developers build applications and devices you can talk or text to. It turns spoken...

WiTag

WiTag Inc is an augmented reality mobile gaming company founded in 2016 by

Wited (Portal Educativo)

Wited (formerly Portal Educativo) is a Chilean edtech company backed by

WithAI

WithAI is a San Francisco-based Y Combinator (Spring 2026) company building

Withco

Withco, now operating as With at with.us (the original with.co domain 301-redirects

Withcoverage

'WithCoverage is a technology-driven risk management and commercial insurance

Within

Within (Within Unlimited, Inc.) is a Los Angeles virtual-reality studio founded in 2014

Within3

'Within3 is a life sciences engagement and insights-management platform used

Withings

Withings is a connected health device platform providing a REST API for

Witness AI

'WitnessAI is an AI security and governance platform that lets enterprises

Witness Systems

Witness Systems, Inc. was a workforce optimization software company founded in 1988

Wittlebee

Wittlebee is a company surfaced as a portfolio company of 500-global and added to the API

Wivity

Wivity Inc. is a Web3 governance consultancy that helps organizations

Wix

Wix is a cloud-based web development platform that allows users to create

Wix.com

Wix.com is a global website-building and business platform (founded 2006, 260M+ users across 190 countries) whose developer platform spans the Wix REST API a...

Wiz

Wiz is a cloud-native application protection platform (CNAPP) that provides agentless security across AWS, Azure, GCP, Kubernetes, and containers, covering C...

Wizard

'Wizard is an AI-powered personal shopping agent for consumers. Shoppers

Wizard World

"Get information from the Harry Potter universe"

WizerMe

WizerMe (Wizer) is an edtech platform used by more than 700,000 teachers to build interactive,

WizzPass

WizzPass is a visitor and workplace access management platform, surfaced

WizzyWig

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

WM

WM (formerly Waste Management, Inc.) is North America's largest

WNP

WNP is a company surfaced as a portfolio company of battery-ventures and added to the API

WNS Holdings

WNS Holdings is a major US corporation and Fortune 1000 company. The WNS Holdings API provides programmatic access to its platform services, data, and integr...

Wochit

Wochit is an enterprise-grade, cloud-based video creation platform that helps organizations produce professional, on-brand videos at scale. It offers three p...

Wodify

Wodify is gym, fitness, and CrossFit box management software covering

Woebot Health

Woebot Health is a clinical mental health company founded in 2017 by Dr. Alison Darcy that delivers an AI-powered, CBT-based conversational agent ("Woebot") ...

Wolf

Wolf (fromwolf.com) is a white-label, multi-tenant staffing and gig-work platform that lets staffing companies run their own branded on-demand workforce. Its...

Wolfram|Alpha

Wolfram|Alpha is a computational knowledge engine that provides answers to natural language queries using a vast curated knowledge base and computational alg...

Wolfram|Alpha

Wolfram|Alpha is a computational knowledge engine that provides answers to natural language queries using a vast curated knowledge base and computational alg...

Wollit

'Wollit is a UK-based credit-health subscription service (£9.99/month)

Wolne Lektury

"API for obtaining information about e-books available on the WolneLektury.pl website"

Wolt

Wolt is a marketplace and last-mile delivery platform (part of DoorDash) operating across Europe and beyond. Its developer surface exposes two production API...

Wolverine World Wide

Wolverine World Wide is a leading designer, manufacturer, and marketer of branded footwear, apparel, and accessories. Brands include Merrell, Saucony, Wolver...

Womaness

Womaness is a women-founded midlife wellness brand created to modernize aging for women and to help them navigate the phases their bodies move through around...

Wombo

Wombo is the AI company behind Dream by WOMBO, a consumer AI art and video generator, and w.ai, a decentralized AI supercomputer that pools idle GPU compute ...

Wompi

Wompi is the payment gateway of Grupo Bancolombia, serving Colombia (COP).

Womply

Womply (legally Oto Analytics, Inc.) was a small-business software company founded in 2011

Wonder

'Wonder is a company surfaced as a portfolio company of accel, bain-capital-ventures, bloomberg-beta,

Wonder Brands

'Wonder Brands is a Latin American digital-first e-commerce company that builds and operates

Wonder Workshop

Wonder Workshop (GitHub org "playi", originally Play-i) is an educational technology company that makes the Dash, Dot, and Cue programmable robots and the Ma...

Wonderbly *

'Wonderbly is an online publisher that makes personalized books and gifts for kids and

Wondercraft

Wondercraft is an AI audio creation platform for producing podcasts, audio

Wonderful

Wonderful is an applied-AI company building an enterprise AI platform for critical, high-volume workflows. It combines an AI platform (run any model, any mod...

Wonderment

Wonderment is a post-purchase order-tracking and shipment-visibility platform for ecommerce brands (built for Shopify), now part of Loop as Loop Tracking. It...

Wonderschool

Wonderschool is a child care platform that connects families with licensed care and equips providers with software and services to start, operate, and grow t...

Wonderskin

'Wonderskin is a direct-to-consumer beauty and cosmetics brand best known for its WONDER

WOO Sports

WOO Sports makes a sensor-based performance-tracking system for kitesurfing, wingfoiling,

WooCommerce

WooCommerce is the world's most popular open-source eCommerce platform,

Woodstock

Woodstock (Woodstock K.K., Tokyo) is a Japanese investment platform

Woodward

'Profile for Woodward in the API Evangelist network. Fortune F1000 (rank 803).'

Wooga

Wooga is a Berlin-based mobile game developer founded in 2009 and a subsidiary

Wootric

Wootric (now part of InMoment) is a customer experience platform with a REST API for managing NPS, CSAT, and CES surveys, accessing feedback responses, and m...

Woowa Brothers

Woowa Brothers is the Seoul-based technology company behind Baedal Minjok (Baemin), South Korea's leading food delivery platform, alongside B-Mart quick comm...

WoowUp

WoowUp is a customer marketing and loyalty CRM platform built for retail and

Word Cloud

"Easily create word clouds"

Worders

Worders is a culturalization and localization company (a Partech portfolio company) that crafts translated, culturally-adapted content for global brands with...

Wordnik

Wordnik is the largest online English dictionary by number of words. Its v4 REST API exposes definitions from five dictionaries, etymologies, real example se...

WordPress

WordPress is an open-source content management system (CMS) that powers

Words API

Words API is a RESTful English-language API that provides definitions, synonyms, antonyms, related words, syllables, pronunciation (IPA), rhymes, frequency, ...

Wordsmith

Wordsmith is an Edinburgh-based legal AI platform built for in-house legal teams, marketed as a Slack-native legal copilot that lets non-legal staff self-ser...

Wordware

Wordware is a San Francisco AI company (YC S23, backed by Felicis and Spark Capital) that built a web-hosted IDE for building AI agents and LLM applications ...

Work Market

WorkMarket, an ADP company, is an independent contractor management platform that helps businesses organize, manage, and pay their extended workforce of 1099...

Workable

Workable is an end-to-end hiring platform with ATS, AI sourcing, employer branding, video interviewing, assessments, and HR. The Workable REST API (v3) expos...

WorkAmerica

WorkAmerica was a skilled-labor hiring marketplace that connected job seekers, employers,

Workato

Workato is an enterprise automation and integration platform that enables organizations to integrate their apps and automate business workflows without exten...

WorkBoard

WorkBoard (WorkBoardAI) is an AI-native strategy, OKR, and strategic portfolio management platform used by enterprises like Cisco, AstraZeneca, and Mercedes-...

Workbounce

'Workbounce was an AI-powered revenue and sales enablement platform that

WorkClass

WorkClass is (or was) a Singapore-based job marketplace founded in 2020

Workday

Collection of Workday REST and SOAP APIs for human capital management,

Workday Advanced Compensation

API for managing compensation plans, budgets, allocations, and related processes in Workday.

Workday Benefits

APIs for managing employee benefits, enrollments, and benefits administration in Workday.

Workday Business Processes

APIs for managing and executing business processes within Workday, including initiating, monitoring, and completing various workflow processes.

Workday Extend

Workday Extend is a platform that enables developers to build custom applications that integrate seamlessly with Workday. It provides APIs, development tools...

Workday Finance

APIs for Workday's cloud-based financial management system, enabling

Workday Financials

Workday Financials is a cloud-based financial management system that provides comprehensive solutions for accounting, procurement, expenses, and financial re...

Workday Integration

Collection of Workday Integration APIs for enterprise resource planning, human capital management, and financial management.

Workday Integrations

Workday provides cloud-based enterprise software for finance, HR, and planning. This APIs.json file describes the integration capabilities and APIs available...

Workday Payroll

Workday Payroll provides comprehensive APIs for managing payroll operations, employee compensation, tax calculations, and payment processing within the Workd...

Workday Recruiting

APIs for Workday's cloud-based recruiting and talent acquisition solution, providing programmatic access to job requisitions, candidate management, applicati...

Workday Report Writer

APIs for Workday Report Writer - a tool for creating custom reports and data extracts from Workday HCM and Financial systems.

Workday Reporting

APIs for accessing Workday reporting functionality including custom reports, report data extraction, and report management.

Workday Security

Collection of Workday Security APIs for managing authentication, authorization, and security configurations including identity management, security groups, a...

Workday Studio

Workday Studio is an integrated development environment (IDE) for building custom integrations and applications on the Workday platform. It provides tools fo...

Workday Tracking System

APIs for managing employee time tracking, absence management, and workforce scheduling in the Workday platform. Covers time blocks, time clock events, timesh...

Workerbase

Workerbase is a Munich-based connected-worker platform — a frontline execution layer for manufacturing that bridges ERP/MES planning and shopfloor operations...

Workflowy

Workflowy is a minimalist infinite outliner for organizing notes,

WorkForce Software

WorkForce Software, an ADP company since October 2024, makes the WorkForce

Workhelix

Workhelix is an enterprise platform for measuring and growing the return

Workhint

Workhint is a work orchestration platform that uses AI to configure workflows,

Workhuman

Workhuman is an enterprise employee recognition and Human Intelligence platform founded in 1999 (formerly Globoforce), headquartered in Framingham, Massachus...

Workist

Workist is a Berlin-based AI document-automation company whose WorKI system automates B2B order entry and inquiry handling — extracting data from emails and ...

Workit Health

Workit Health is a 100% virtual addiction-treatment provider delivering telehealth care for opioid use disorder, alcohol use disorder, and kratom/7-OH depend...

Workiz

Workiz is field service management (FSM) software for home-service

Workleap

Workleap is an employee experience platform (formerly GSoft/Officevibe) that provides a suite of products covering engagement surveys, performance management...

WorkLife

'Worklife (Heroik Labs, Inc. d/b/a Worklife) was a San Francisco meeting-productivity

WorkMotion

WorkMotion is a global employment and Employer of Record (EOR) platform

Worknmates

Worknmates, now operating as OFFI (getoffi.com), is a Latin American

WorkOS

WorkOS is the "Enterprise Ready" identity platform for B2B SaaS — providing

Workplaced Technologies Ltd

Workplaced (Workplaced Technologies Ltd) is a workplace-strategy and hybrid-work

Workpop

Workpop was a Santa Monica, California hiring platform focused on hourly

WorkRamp

WorkRamp is a revenue enablement platform with a REST API for managing

Workrise

Workrise - which returned to its original RigUp brand in September 2024 -

Worksmith

Worksmith is a retail operations platform founded in 2015 that unites

WorkSpan

WorkSpan is an ecosystem business management platform that helps companies run co-sell, marketplace,

Workstream

'Workstream is an all-in-one HR, hiring, and payroll platform built for

Worktrace AI

Worktrace AI is an enterprise workflow-automation platform that helps

WorkWave

WorkWave builds field-service and last-mile delivery software for service

Workwell Technologies

'Workwell Technologies, Inc. is a Carlsbad, California workforce management

Worky

'Worky is a Mexican HR and payroll SaaS platform for SMBs and mid-market

World (Worldcoin)

World (formerly Worldcoin, built by Tools for Humanity) is a proof-of-personhood network combining biometric Orb verification, the World App wallet, and Worl...

World 50 Group

World 50 Group is an invitation-only membership community for CEOs, board directors, and C-suite executives from the world's largest and most respected compa...

World Air Quality Index (WAQI)

The World Air Quality Index (WAQI) REST API provides real-time air quality data, AQI readings, pollutant measurements, and station data for more than 12,000 ...

World Bank

"World Data"

World Bank

World Bank open data platform providing REST APIs for accessing global development data including GDP, poverty indicators, health metrics, education statisti...

World Fuel Services

World Fuel Services (now World Kinect) is a global energy management company that delivers innovative solutions in the global aviation, marine, and land ener...

World Golf Tour

World Golf Tour (WGT Golf), operated by World Golf Tour, LLC out of San

World Health Organization (WHO)

The World Health Organization (WHO) is the United Nations specialized agency for international public health. WHO provides free public REST APIs giving progr...

World Kinect

World Labs

'World Labs is a company surfaced as a portfolio company of sv-angel and added to the API

World Meteorological Organization

The World Meteorological Organization (WMO) is a specialized agency of the United Nations that coordinates global meteorological, climatological, hydrologica...

World News API

The World News API gives you access to thousands of news sources in over 90 languages from over 228 countries. News are semantically tagged allowing for sema...

World News API

World News API is a real-time and historical news data API covering thousands of sources across 210+ countries and 86+ languages. It provides full-text and s...

World Time API

World Time API (timeapi.world) is a free REST API that provides current time, timezone information, UTC offset, DST status, and Unix epoch time for any timez...

World View

'World View (World View Enterprises) is a Tucson, Arizona-based stratospheric

WorldCat

OCLC WorldCat REST API for searching 500 million+ library holdings worldwide, accessing bibliographic records, finding library locations, and retrieving rich...

WorldCoinIndex

"Cryptocurrencies Prices"

WorldFirst

WorldFirst is a United Kingdom-founded cross-border payments and money-movement company, headquartered in London and owned by Ant Group (Alipay) since 2019. ...

Worldline

European payment and digital services company providing REST APIs for payment processing, acquiring, digital banking services, open banking, identity and aut...

WorldOil.com, Inc./Wellogix

Wellogix (originally incorporated as WorldOil.com, Inc.) was a Houston,

Worldover

Worldover is the AI operating system for chemicals and cosmetics companies, replacing fragmented ERP, PLM, QMS, LIMS, and regulatory tools with one AI-orches...

Worldpay

Worldpay is a global payment processing platform (part of FIS) offering

Worldview

World View Enterprises (worldview.space) — incorporated in 2012 and headquartered in Tucson, Arizona — operates stratospheric balloons and high-altitude plat...

Wormhole

Wormhole is a decentralized cross-chain messaging and interoperability protocol connecting 45+ blockchain networks. It provides REST APIs for querying VAA (V...

Worq

WORQ is Malaysia's largest community-centric coworking space operator, backed by

Worthington Industries

Worthington Industries was a global diversified metals manufacturing company specializing in value-added steel processing and manufactured metal products. In...

Wove

Wove is a company surfaced as a portfolio company of 500-global and added to the API Evangelist

Woven Software

Woven Software, Inc. (Woven, woven.com) was a Mountain View, California

Wow AI LTD.

Wow AI LTD. is a company surfaced as a portfolio company of 500-global and added to the API

wowjoy

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

Wowza

Wowza is a Denver, Colorado-based video streaming infrastructure provider that has been simplifying live and on-demand streaming since 2007. The platform spa...

woxiaoya

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

WP Engine

WP Engine is a WordPress digital experience platform offering managed WordPress hosting with a REST API for programmatically managing sites, environments (in...

WPGraphQL

Open-source WordPress plugin that exposes a full-featured extendable GraphQL API for WordPress data including posts, pages, users, menus, taxonomies, media, ...

WPX Energy

WPX Energy was an independent oil and gas exploration and production company focused on the Permian and Williston basins. In 2021, WPX Energy completed a mer...

Wrangle

Wrangle is a company surfaced as a portfolio company of bloomberg-beta and added to the API

Wrapbook

Wrapbook is an AI-powered production payroll and accounting platform for

Wrapp

'Wrapp is a company surfaced as a portfolio company of creandum and added to the API Evangelist

Wrappup

Wrappup is a company surfaced as a portfolio company of 500-global and added to the API Evangelist

Wren

Wren is a company surfaced as a portfolio company of union-square-ventures and added to the

Wrike

Wrike is a collaborative work management platform used by 30,000+ organizations.

Write Ahead Log

A Write-Ahead Log (WAL) is a standard technique in database systems where changes are first recorded to a sequential log file before being applied to the act...

Writer

Writer is a generative AI platform purpose-built for the enterprise. The Writer AI Studio Platform API exposes the proprietary Palmyra family of LLMs, knowle...

WSDL

WSDL (Web Services Description Language) is a W3C standard XML format for describing web service interfaces. It defines services as collections of network en...

WSFS Financial

WSFS Financial Corporation is a multibillion-dollar financial services company headquartered in Wilmington, Delaware. Its primary subsidiary WSFS Bank has op...

WSO2

WSO2 API Manager is an open-source API management platform supporting REST, SOAP, and GraphQL with flexible hybrid deployment. It provides a unified control ...

WTO

The World Trade Organization (WTO) provides a REST API for programmatic access to global trade statistics, tariff data, trade flows, quantitative restriction...

wttr.in

"Weather in your terminal, supports JSON output"

Wufoo

Wufoo is an online form-builder owned by SurveyMonkey Inc. It lets non-developers build registration forms, surveys, contact forms, application forms, and pa...

Wuhan University

Wuhan University (WHU), founded in 1893 and located in Wuhan, Hubei, China, is one of China's oldest and most prestigious comprehensive research universities...

Wuilt

Wuilt is an Egypt-based, Arabic-first no-code website and online-store builder that lets individuals and small businesses create a website, e-commerce storef...

Wukong Education

WuKong Education is an online education company headquartered in Auckland,

Wunder

Wunder (formerly Wunder Capital, wewunder.com, now wunderpower.com) is a

WunderGraph

Full Lifecycle API Management for (Federated) GraphQL. Schema Registry, composition checks, analytics, metrics, tracing and routing. Deploy 100% on-prem or u...

WunderGraph Cloud

WunderGraph Cloud is the managed cloud platform for WunderGraph Cosmo, the complete GraphQL Federation Stack that enables teams to build, manage, and scale s...

Wunderite

Wunderite is an insurance application automation platform for agencies and brokers that finds, autofills, and digitally signs insurance forms — ACORDs and su...

Wunderkind

Wunderkind (formerly BounceX) is a performance marketing and identity resolution platform that turns anonymous website and mobile-app traffic into triggered,...

Wupima

Wupima, Inc. was a Virginia-based mobile social intelligence company that

wutwut

wutwut is a former Slow Ventures portfolio company listed on the firm's

Wuxi Vision Pro

Wuxi Vision Pro Co., Ltd. (无锡蕾明视康科技有限公司, "蕾明视康"), founded in 2010, is a

Wuzzuf

Wuzzuf is Egypt's leading online recruitment platform, operated by Cairo-based

Ww Grainger

W. W. Grainger is a leading broad line distributor of maintenance, repair, and operating products serving businesses and institutions throughout North Americ...

ww5 createmycircle

ww5 createmycircle is a company surfaced as a portfolio company of 500-global and added to

Wynd Network

'Wynd Network (now operating as Wynd Labs) is the company behind Grass,

Wyndham Worldwide

Wyndham Worldwide Corporation was a global hospitality holding company that offered hotel franchising, vacation ownership, and exchange services. On May 31, ...

Wynn Resorts

Wynn Resorts is a developer, owner, and operator of integrated luxury resorts and casinos, with properties in Las Vegas, Boston Harbor, and Macau. The compan...

Wynsure

Wynsure is an end-to-end insurance policy administration platform from Mphasis Wyde that delivers Quote-to-Claims capabilities across Group, Individual, Life...

Wyvern

Wyvern is a Canadian space technology company operating the world's first commercial

Wyzant

Wyzant is a US tutoring marketplace that connects students with

Wyze Labs

'Wyze Labs (wyze.com, formerly wyzecam.com) is a Seattle-area smart home