Z League is an a16z-backed startup that operates the MEGA platform (gomega.ai) — a suite of AI marketing agents that autonomously manage SEO, paid advertisin...
Z1 is the API Evangelist network profile for the consumer social gaming app operated by Bunch Live, Inc., known publicly as Bunch and now rebranded as Mini P...
Zabbix is an enterprise-class open source distributed monitoring solution for networks and applications. Zabbix enables real-time monitoring of millions of m...
Zafran Security is an AI-native threat exposure management (CTEM) platform for security teams buried in vulnerabilities and manual remediation work. It bring...
Zag Bio is a clinical-stage biotechnology company developing thymus-targeted therapies for autoimmune diseases. The company engineers bifunctional antibodies...
ZAGENO is a multi-supplier e-commerce marketplace and procurement platform for pharma and life-science R&D labs. It lets scientists search, compare, and orde...
Zaius is the B2C marketing customer data platform (CDP) that Optimizely acquired in 2021 and now operates as the Optimizely Data Platform (ODP). It unifies c...
'Zalando is Europe''s leading online platform for fashion and lifestyle, connecting customers, brands and partners across more than 20 markets. Its zDirect P...
Zally is an open source API linter from Zalando that validates OpenAPI 2 and 3 specifications against configurable rule sets for API design consistency. It e...
Zalos is a Y Combinator-backed (F25) company building AI "computer agents" for finance operations. Rather than integrating through APIs, its agents log into ...
Zama is an open-source cryptography company building state-of-the-art Fully Homomorphic Encryption (FHE) solutions for blockchain and AI. Its developer surfa...
Zamna is a GDPR-compliant digital identity and passenger-data verification platform for the aviation and travel industry, used by airlines, airports, ground ...
Zamzar is an online file conversion platform with a REST API for converting files between 100+ formats including documents, videos, audio, images, and CAD fi...
Zap Energy is a Seattle, Washington fusion energy company pursuing commercial fusion power via the sheared-flow-stabilized Z-pinch — a compact, magnet-free p...
Zapp is a London-based premium quick-commerce (q-commerce) business that delivers daily essentials such as snacks, drinks, groceries, household items and pha...
Zarminali Health (Zarminali Pediatrics) is a pediatric healthcare provider building a new standard for children's care through purpose-built clinics that sup...
Zatanna is a Y Combinator (W2026) startup based in San Francisco that creates APIs for software that doesn't have any. It reverse-engineers the back ends of ...
Zavu is a unified multi-channel messaging platform that consolidates SMS, WhatsApp, Telegram, Email, Voice, and Messenger behind a single REST API, so develo...
Zayo is a global communications infrastructure provider operating one of the largest independent fiber networks, delivering bandwidth, dark fiber, wavelength...
Zayo Group Holdings is a major US corporation and Fortune 1000 company. The Zayo Group Holdings API provides programmatic access to its platform services, da...
ZDNet is a business technology news website owned by Ziff Davis, covering enterprise IT, cybersecurity, cloud computing, hardware, software, and innovation f...
Zebec is a blockchain-based financial infrastructure network that has been building decentralized payments rails since 2021, best known for real-time streami...
Zebec Network is a blockchain infrastructure company (founded 2021, San Francisco; founder Sam Thapaliya) building real-time payroll, on-chain payments, mult...
Zebra Technologies is a global leader in barcode printing, RFID, mobile computing, and machine vision solutions for manufacturing, warehousing, healthcare, a...
Zed is an open-source, high-performance multiplayer code editor written from scratch in Rust and built around GPU-accelerated rendering through its own GPUI ...
Zed.run is a digital horse racing platform where players buy, breed, and race NFT racehorses, originally built on the Ethereum and Polygon blockchains and de...
Zeebe is the cloud-native workflow engine that powers Camunda 8, providing scalable, resilient workflow automation and microservices orchestration without re...
Zefchain Labs is the company behind Linera, a decentralized Web3 protocol designed for highly scalable, low-latency applications using a "microchain" archite...
Zego is an FCA-regulated UK insurtech providing flexible, technology-driven motor and public-liability insurance built for the gig economy. Its telematics ap...
Zehitomo is a Tokyo-based online marketplace that matches consumers in Japan with local professionals across hundreds of service categories — including photo...
Zeitview (formerly DroneBase) is an AI-powered aerial inspection and asset intelligence platform. It combines a managed network of drone and aircraft pilots ...
Zelis is a healthcare financial technology company that modernizes the business of healthcare by connecting payers, providers, and members through a connecte...
Zeller is a Melbourne-founded Australian payments and business banking company (founded 2020 by former Square Australia executives Ben Pfisterer and Dominic ...
ZenAdmin is an all-in-one IT management platform for global teams, covering the full device and employee lifecycle: IT procurement, device lifecycle manageme...
Zenaton was a workflow-as-code SaaS that let developers orchestrate background jobs, asynchronous tasks, and long-running business processes directly in appl...
Zenbu is a Y Combinator (Spring 2026) developer-tools startup building a fully hackable desktop interface for managing AI coding agents. The macOS app is a c...
Zencoder is a cloud-based video and audio encoding (transcoding) platform, now part of Brightcove, that turns source media into web-, mobile-, and broadcast-...
Zendesk provides customer service and engagement software that helps businesses manage support tickets, automate workflows, and offer multi-channel supportin...
Zendit is a cloud-based Prepay-as-a-Service platform that provides API access to a global prepaid ecosystem. The API enables businesses to offer mobile top-u...
Zenduty is an incident management and on-call platform that orchestrates alert routing, escalation policies, on-call schedules, and incident response workflo...
Zenflow is a San Francisco-based medical device company founded in 2014 (Y Combinator W15) that develops the Zenflow Spring, a small permanent implant delive...
Zengaming builds gaming marketplaces and community products focused on helping gamers manage and monetize their digital assets. The company is best known for...
ZenHR is an AI-powered HR and payroll management platform (HRMS) serving businesses across the MENA region, with localization for Saudi Arabia, UAE, Egypt, I...
Zeni is an AI-powered bookkeeping and finance platform for startups and growing businesses, combining machine-learning automation with a dedicated human fina...
Zenline AI (Zenline GmbH / Zenline AG) is a Swiss assortment-intelligence platform for retail category teams. It blends public market data with a retailer's ...
Zenlytic is an AI-powered business intelligence platform built around Zoë, an autonomous AI data analyst that turns natural-language questions into verified,...
ZenMaid is scheduling and business-management software for maid and house cleaning services - booking, calendar/dispatch, automated SMS and email communicati...
ZenML is an open-source MLOps and LLMOps framework that unifies machine learning and generative AI workflows through a single orchestration, versioning, and ...
Zenodo is a free, open research data repository operated by CERN and co-developed under the European OpenAIRE program. It enables researchers to deposit, sha...
Zenoti is an AI-powered, all-in-one cloud management platform for the beauty, wellness, and fitness industries, serving 30,000+ salons, spas, medspas, barber...
Zenprise was an enterprise Mobile Device Management (MDM) vendor founded in 2003 by Waheed Qureshi and Jayaram Bhat. It shipped Zenprise MobileManager, an on...
Zenput (now Crunchtime Ops Execution) is an operations-execution platform for multi-unit restaurant and convenience-store operators, used across 60,000+ loca...
ZenRows is a Spanish web scraping platform headquartered in Madrid that lets developers collect public web data at scale without managing proxies, browsers, ...
Zenserp is a Google SERP API that enables developers to fetch live, structured search engine results in real time without interruption. The API supports web,...
Zenskar is an AI-native revenue automation and usage-based billing platform for SaaS and subscription businesses. Its order-to-cash suite covers contracts, f...
Zentail is a multichannel ecommerce platform that helps brands and retailers manage product listings, inventory, pricing, and orders across marketplaces like...
Zenysis is a health intelligence infrastructure company that helps governments and organizations across low- and middle-income countries turn fragmented, mes...
Zenyum is a Singapore-founded, direct-to-consumer oral-care and dental company operating across Asia. Its flagship product is ZenyumClear invisible braces (c...
Zenzap is an AI-native work communication platform — "Work Chat Built for the AI Era" — used by teams in healthcare, hospitality, construction, food service,...
Zep is a context engineering and agent memory platform that assembles relevant context from chat history, business data, and user interactions for AI agents....
Zephyr Fusion is a Y Combinator (Fall 2025) company building the first in-orbit fusion power source: a compact, megawatt-class magnetic-confinement fusion re...
The Zephyr Project is a Linux Foundation project that delivers a small, scalable, secure, and open-source real-time operating system (RTOS) for resource-cons...
Zepto is a Gold Coast, Australia based account-to-account (A2A) payments company that gives merchants and platforms programmable, real-time access to Austral...
Zepz (formerly WorldRemit Group) is a London-headquartered cross-border payments and remittance fintech that operates the consumer money-transfer brands Worl...
Zerion is an Ethereum and Solana wallet and developer platform focused on making onchain data easy to use. The Zerion API delivers clean, normalized wallet d...
Zero Trust is the umbrella cybersecurity strategy that eliminates implicit trust based on network location and requires continuous verification of every user...
Zero Trust Architecture (ZTA) is a security framework defined by NIST SP 800-207 that requires all users and devices to be authenticated, authorized, and con...
Zero Trust Network Access (ZTNA) is a security framework and product category that grants access to private applications and resources based on identity, dev...
The Zero Trust security model is a strategic cybersecurity approach that eliminates implicit trust and requires continuous verification of every user, device...
ZeroBounce is an email validation and deliverability platform that verifies email addresses, detects spam traps and abuse accounts, scores leads, and helps s...
ZeroClick is the agent-first storefront and transaction layer that lets businesses sell directly to AI agents. It turns any existing API or offering into an ...
ZeroEntropy builds specialized, lightweight AI models for information retrieval and retrieval-augmented generation (RAG). Its zerank rerankers and zembed emb...
The zeroheight REST API can be used to automate your design system workflow, make use of your content in new ways and, leverage external tools to empower you...
ZeroMark is a defense-technology company building an AI-powered targeting system for counter-drone (counter-UAS) defense. Its bolt-on hardware and software c...
Zeroqode is a leading no-code development platform and Bubble agency that provides app templates, plugins, courses, and automation tools for building scalabl...
ZeroSettle is a Y Combinator-backed subscription revenue platform that lets iOS, Android, Flutter, and React Native app developers offer direct web billing a...
Zerto, a Hewlett Packard Enterprise company, provides continuous data protection (CDP), disaster recovery, ransomware resilience, and multi-cloud data mobili...
Zest Equity is a DIFC/ADGM-based provider of digital infrastructure for private-market transactions across the Middle East and North Africa. Its SPV-as-a-Ser...
Zest Equity is the digital infrastructure for private-market transactions — built in MENA, used worldwide. Its SPV-as-a-Service platform lets partners create...
Zestful provides a machine-learning-powered ingredient parser API that turns plain recipe ingredient strings into structured JSON data. The API extracts quan...
Zesty.io is a composable, data-driven, headless CMS platform that provides REST APIs for authentication, account management, instance content management, and...
Zet is a Bengaluru, India fintech that helps unserved and underserved Indians enter the formal credit system. Its core product is a fixed-deposit-backed (FD-...
Zeta is a next-generation banking and payment card processing platform for banks and financial institutions, offering a cloud-native omnistack to launch and ...
Zettle by PayPal is a cloud-based point-of-sale platform (formerly iZettle) that provides REST APIs for managing product inventory, processing card payments,...
Zeus (Zeus Living) was a furnished and corporate housing rental startup founded by Kulveer Taggar (previously co-founder of Auctomatic with Patrick Collison)...
ZF Friedrichshafen AG is a German global Tier 1 automotive supplier headquartered in Friedrichshafen. ZF designs and manufactures driveline, chassis, active ...
zhaohu365 (福寿康 / Fushou Kang) is a professional home-based elderly-care brand in China providing in-home nursing, rehabilitation, and long-term care services...
Zhejiang University (ZJU) is a comprehensive public research university based in Hangzhou, Zhejiang Province, China, ranked #44 in the QS World University Ra...
Zhipu AI (Z.ai / BigModel) is a Chinese AI research lab and the developer of the GLM (General Language Model) family. The Z.ai open platform exposes chat com...
Zhuhai DL Biotech Co., Ltd. (Zhuhai Deer Bioengineering Co., Ltd., brand "DL" / 迪尔), founded in 2003 and based in Zhuhai, China, is a high-tech in-vitro diag...
Zibo (operating as Azibo) is a financial services and property-management platform for independent landlords and rental property owners. The company offers a...
Zibra Labs is a Y Combinator (Spring 2026) startup building distributed compute infrastructure for AI workloads at scale. The platform gives teams access to ...
Zidisha is a nonprofit direct person-to-person microlending and crowdfunding platform that connects funders in wealthier countries directly with low-income e...
Ziff Davis (Nasdaq: ZD) is a vertically focused digital media and internet company whose portfolio includes leading brands across technology, entertainment, ...
Zight (formerly CloudApp) is a visual communication and asynchronous collaboration platform for capturing and sharing screen recordings, screen captures, scr...
Zilch is a London-headquartered "buy now, pay later" and ad-subsidised payments network founded in 2018, and one of the United Kingdom's most prominent BNPL ...
Zilliz Cloud is the managed vector database service built by the Milvus maintainers. It exposes a Control Plane API for cluster management and a Data Plane A...
Zillow Group is a leading real estate and rental marketplace that aims to make the process of buying, selling, and renting homes more streamlined and efficie...
ZIM Integrated Shipping Services Ltd. (NYSE: ZIM) is a global container liner shipping company founded in 1945 and headquartered in Haifa, Israel. ZIM operat...
Zimbra is an open-source email and collaboration platform serving more than 200 million users worldwide, offering email, calendar, contacts, tasks, group cha...
Zimmer Biomet is a global medical technology company that designs, manufactures, and markets orthopedic reconstructive products, sports medicine, biologics, ...
Zinc is a UK-founded, Y Combinator and Seedcamp-backed background checking platform that automates pre-employment screening for HR and talent teams. It runs ...
Zinier is a no-code field service management platform that helps enterprises schedule and manage their workforce, assets, and customers, powered by generativ...
Zinrelo is an enterprise SaaS loyalty and rewards platform that helps brands run holistic loyalty programs spanning transactional, social, advocacy, engageme...
Zions Bancorporation is one of the nation's premier financial services companies, operating under local management teams and distinct brands in 11 western U....
Zions Bancorporation, National Association is a nationally chartered bank and bank holding company headquartered in Salt Lake City, Utah, with roughly $87 bi...
Zip is an AI-powered procurement orchestration platform that provides a REST API for managing the full intake-to-pay lifecycle. The API enables developers to...
Zip is a global BNPL (Buy Now Pay Later) and digital wallet platform that enables merchants to offer flexible payment plans to consumers at checkout. Zip pro...
Zipcar is a Boston, Massachusetts-based car sharing service operating in more than 500 cities across North America and Europe, including major US metros (Bos...
Zipkin is an open source distributed tracing system for gathering timing data to troubleshoot latency problems in microservice architectures. It was original...
Zipline is a South San Francisco–headquartered autonomous logistics company operating the world's largest commercial drone delivery network, with more than t...
ZipMatch was an online real estate marketplace and property portal based in the Philippines, backed by 500 Startups (500 Global) among other investors, that ...
ZippyKid is the company behind Pressable, a managed WordPress hosting platform now operated as an Automattic brand and built on Automattic's WP Cloud infrast...
Zircuit is a zero-knowledge (zk) rollup Layer 2 blockchain and secure onchain finance platform. The network is fully EVM-compatible and OP-Stack based, letti...
Zíro (somosziro.com) is a Colombian fintech that provides interest-free credit for small retailers in the traditional commerce channel. Its platform lets dis...
Zitadel is an open source identity infrastructure platform providing secure authentication and user management with built-in support for OAuth 2.0, OpenID Co...
zkMe is a decentralized identity network delivering privacy-preserving compliance for Web3. Using zero-knowledge proofs, self-sovereign identity (SSI) wallet...
zkSync is a family of Ethereum Layer 2 scaling networks from Matter Labs built on zero-knowledge proofs. zkSync Era is the production zkEVM rollup; the ZK St...
Zluri is a SaaS management and operations platform that helps organizations discover, govern, and optimize all their cloud applications. By connecting to SSO...
Zmanda is an enterprise backup and recovery software provider and the commercial steward of the open-source Amanda (Advanced Maryland Automatic Network Disk ...
Zoca is an AI-powered marketing platform built specifically for local beauty and wellness businesses such as salons, spas, and clinics. It packages its autom...
Zocdoc is a healthcare appointment booking platform that provides a REST API for accessing provider availability, booking appointments, managing insurance ve...
Zocks is an AI assistant for financial advisors that captures client conversations and automates the administrative side of advice — meeting note-taking with...
ZOE (joinzoe.com, canonically zoe.com) is a personalized nutrition and health science company founded on data from one of the largest nutrition research stud...
Zoetis is the world's leading animal health company, dedicated to discovering, developing, manufacturing, and commercializing medicines, vaccines, diagnostic...
Zogo Finance is a gamified financial education platform (founded 2018, a Techstars portfolio company) that helps banks, credit unions, and other financial in...
Zoho is a comprehensive cloud software suite offering 55+ integrated business applications for sales, marketing, customer service, finance, HR, collaboration...
Zoho Books is online accounting software for small and growing businesses that handles invoicing, expenses, banking, projects, inventory, vendor bills, repor...
Zoho Campaigns is an email marketing platform with a REST API for managing mailing lists, campaigns, subscribers, email templates, A/B tests, and campaign an...
Zoho Cliq is a team messaging and collaboration platform with a REST API for managing channels, bots, slash commands, message webhooks, and team communicatio...
Zoho Creator is a low-code application development platform with a REST API for managing forms, records, reports, workflows, and custom application data. The...
Online form builder with a REST API for managing forms, entries, reports, and integrating form data with other Zoho and third-party applications. Supports dr...
Zoho Inventory is a cloud-based inventory management platform with a REST API for managing items, warehouses, sales orders, purchase orders, shipments, stock...
Zoho Invoice is a cloud-based invoicing application for small businesses and freelancers that supports customer management, estimates, invoices, recurring bi...
Zoho Meeting is an online meeting, video conferencing, and webinar platform from Zoho that lets teams host secure meetings, presentations, and recorded webin...
Zoho People is Zoho's cloud-based, AI-first HR management system (HRMS) spanning core HR, time and attendance, leave, performance, learning, recruitment, pay...
Zoho Projects is a cloud-based project management platform with a REST API for managing projects, tasks, milestones, bugs, time logs, forums, documents, and ...
Zoho Recruit is an end-to-end applicant tracking system (ATS) and recruitment CRM for staffing agencies, corporate HR teams, and recruiters, covering job pos...
Online spreadsheet application with a REST API for reading, writing, and manipulating spreadsheet data, cells, formulas, and exporting to various formats. Th...
Zoho Sign is a cloud-based electronic signature platform that provides a REST API for sending documents for signature, managing templates, tracking signing s...
Zoho Writer is an online word processor with a REST API for creating, editing, merging, converting, and signing documents, and automating document workflows ...
Zolvers is a home-services marketplace that connects households with vetted, background-checked domestic and home-maintenance workers across Latin America, o...
Zomentum is an AI-powered revenue platform built for managed service providers (MSPs) and IT service businesses, unifying proposal and quote creation, contra...
Zomma (Zomma Labs) is a Y Combinator (Summer 2026) startup building AI agents that automate repetitive back-office operations for investment firms — hedge fu...
Zone & Co (Zone & Company) is a NetSuite-native financial operations software vendor whose SuiteApp suite automates the back office across five product famil...
Zoog.A.I. Ltd. (Zoog) is a consumer application that lets families create personalized video books and songs for children. Parents and kids can read classic ...
Zoox is an Amazon subsidiary developing a purpose-built, bidirectional, symmetrical robotaxi vehicle designed from the ground up for autonomous ride-hailing ...
Zorus is a cybersecurity company that provides DNS web protection and filtering built for managed service providers (MSPs), managed security service provider...
Zscaler is a cloud security platform delivering Zero Trust Exchange services including Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), and Zscal...
Zudoku is an open-source, developer-first platform for creating clean, consistent API documentation built on a modern stack including React, TypeScript, and ...
Zulily is an online retailer of daily deals on apparel, home, toys, and lifestyle goods. After its 2023 shutdown the brand was acquired and relaunched as a S...
Zulip is an open-source team chat application with a unique topic-based threading model. Zulip's APIs power the web and mobile apps and provide REST endpoint...
Zuma (legally Resident Boost Inc., d/b/a Zuma) is an AI platform for the multifamily / apartment industry, best known for "Kelsey," an AI assistant with huma...
Zumper is a rental listing marketplace that connects renters with landlords and property managers across the United States and Canada. The platform provides ...
Zuora provides a subscription management and billing platform with REST APIs for automating billing, managing subscriptions, processing payments, and extendi...
Zuper is an intelligent field service management platform that consolidates job scheduling, dispatching, customer management, invoicing, timesheets, and fiel...
'A Swiss multinational insurance company and one of the world''s largest insurers providing property, casualty, life, and specialty insurance products. Zuric...
Zurich Open Data is a municipal government open-data portal for Switzerland running CKAN. It exposes the CKAN catalog API over approximately 925 datasets.
Zus Health is a next-generation shared health data platform that brings information speed to healthcare. Its flagship Zus Aggregated Profile (ZAP) consolidat...
Zwift is a Long Beach, California online fitness company that operates a multiplayer indoor cycling and running platform combining stationary smart trainers ...
ZwitterCo is an advanced water treatment company that manufactures filtration membranes based on zwitterionic chemistry, a surface science that makes membran...
ZyG is an agentic operating system for eCommerce scale that helps product inventors and direct-to-consumer (DTC) brands validate, scale, and finance their gr...
Zyla API Hub is an API marketplace that provides unified access to over 10,000 APIs through a single account, API key, and SDK, simplifying API discovery, in...
Zylo is a SaaS management platform that helps organizations optimize their software usage and spending. By providing insights into software utilization, lice...
Zymbly is a Y Combinator (Winter 2026) startup building a voice-first AI copilot for aircraft maintenance. Its AI agents automate the administrative half of ...
Zymergen was a synthetic-biology and bio-manufacturing company founded in 2013 in Emeryville, California, that used machine learning and automation to engine...
Zype products are built for developers by developers. By keeping the developer in focus with regular API-innovation and a robust library of reference documen...
Zypl (zypl.ai) is an AI company building synthetic-data and machine-learning technology for financial services and government. Its core is proprietary zGAN g...
Zzish is an EdTech company (a Techstars-backed startup) building a K-12 learning product suite used by teachers and students across 180 countries. Its flagsh...