At Best Startup California we track over 300,000 Californian startups and over 1,500,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and organisations we think deserve more appreciation than they are currently getting.
We’ve ranked the top 101 Developer APIs companies in California, United States. The companies, startups and institutions listed in this article are all exceptional companies, well worth a follow. We have included links to their websites, socials and CrunchBase (if you’re interested in their financials).
We selected the organisations listed in this article based on:
- Track record
- Executive leadership
- Market share
- Innovation
- ESG rating
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.
Top Developer APIs Companies & Startups (California, United States)
RapidAPI
RapidAPI is an API Hub that enables developers to find, manage, and connect to thousands of APIs.
Founder(s): Iddo Gino, Mickey Hasalvsky
Location: San Francisco, California, United States
Industries: Apps, Cloud Computing, Developer APIs, Information Technology, SaaS
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DuploCloud
DevOps-as-a-Service. No-code and low-code infrastructure automation for cloud security and compliance.
Founder(s): Venkat Thiruvengadam
Location: San Jose, California, United States
Industries: Cloud Computing, Compliance, Developer APIs, IT Infrastructure
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MuleSoft
MuleSoft provides an integration and API platform that makes it easy to connect data from any system to create connected experiences.
Founder(s): Dave Rosenberg, Ross Mason
Location: San Francisco, California, United States
Industries: Apps, Cloud Infrastructure, Data Integration, Developer APIs, Enterprise Software
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Clearbit
Clearbit develops business intelligence to help companies find more information of customers in order to increase sales and reduce fraud.
Founder(s): Alex MacCaw, Harlow Ward, Rob Holland
Location: San Francisco, California, United States
Industries: Analytics, Business Intelligence, Developer APIs, Fraud Detection, Information Technology, Software
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Sendbird
Sendbird developed a messaging-as-a-service API that provides chat, voice, and video messaging for mobile apps and websites.
Founder(s): Brandon Y Jeon, Forest Lee, Harry Kim, John S. Kim
Location: San Mateo, California, United States
Industries: Developer APIs, Messaging, Mobile, Video Chat
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People Data Labs
Enabling all companies to build compliant b2b data solutions
Founder(s): Henry Nevue, Sean Thorne
Location: San Francisco, California, United States
Industries: Analytics, Artificial Intelligence, B2B, Database, Developer APIs, Machine Learning, Software
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Truework
Truework is a one-stop platform that helps banks, lenders, and others verify income and employment.
Founder(s): Ethan Winchell, Ryan Sandler, Victor Kabdebon
Location: San Francisco, California, United States
Industries: Developer APIs, FinTech, Identity Management, Lending
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Lob
Lob provides direct mail and address verification APIs which allows businesses to send personalized mail to their customers.
Founder(s): Harry Zhang, Leore Avidar
Location: San Francisco, California, United States
Industries: Courier Service, Developer APIs, Marketing, SaaS, Shipping
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Cequence
Cequence is an end-to-end API security software company that designs a platform to protect customers from malicious bot attacks.
Founder(s): Ameya Talwalkar, Michael Barrett, Shreyans Mehta
Location: Sunnyvale, California, United States
Industries: Cyber Security, Developer APIs, Network Security, Security, Software
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Firebase
Firebase is Google’s mobile platform that develops apps that grow users base on iOS, Android, or the Web.
Founder(s): Andrew Lee, James Tamplin
Location: San Francisco, California, United States
Industries: Cloud Infrastructure, Developer APIs, Developer Tools, Enterprise Software, Mobile Apps, Real Time, Software
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Guidebox
Guidebox is the data layer that powers universal search and discovery for movies and TV across the OTT landscape.
Founder(s): Jeremy Riney, Kai Schneider
Location: San Francisco, California, United States
Industries: Developer APIs, Film, TV
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HyperTrack
Location API for business automation
Founder(s): Abhishek Poddar, Kashyap Deorah, Tapan Pandita
Location: San Francisco, California, United States
Industries: Developer APIs, Location Based Services, SaaS
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MonkeyLearn
MonkeyLearn is a Text Analysis platform with Machine Learning to automate business workflows and save hours of manual data processing.
Founder(s): Ernesto Rodriguez, Federico Pascual, Martín Alcalá Rubí, Raul Garreta
Location: San Francisco, California, United States
Industries: Artificial Intelligence, Developer APIs, Machine Learning, Natural Language Processing, SaaS, Text Analytics
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Prifina
Prifina is a venture-backed firm offering resources and infrastructure for developers to help them build apps that run on user-held data.
Founder(s): Jouko Ahvenainen, Kimmo Kiviluoto, Markus Lampinen, Paulius Jurcys, Valto Loikkanen
Location: San Francisco, California, United States
Industries: Big Data, Blockchain, Developer APIs, Legal Tech, Open Source, Privacy, Software, Wealth Management
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Plivo
Plivo is a leading cloud communication platform that helps companies quickly program voice and SMS capabilities into their applications.
Founder(s): Michael Ricordeau, Venky Balasubramanian
Location: San Francisco, California, United States
Industries: Audio, Cloud Computing, Developer APIs, Mobile, SMS, Telecommunications
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Mapped
Data infrastructure for IoT
Founder(s): Shaun Cooley
Location: El Segundo, California, United States
Industries: Data Integration, Developer APIs, Industrial Automation, Internet of Things, Real Estate, Smart Building
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MadKudu
MadKudu helps SaaS companies identify, qualify, and engage their leads throughout the buyer journey.
Founder(s): Francis Brero, Paul Cothenet, Sam Levan
Location: Mountain View, California, United States
Industries: B2B, Developer APIs, Lead Generation, Marketing Automation, SaaS
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Moesif
Powerful API analytics and tools to help you activate, understand, and monetize customers
Founder(s): Derric Gilling, Xing Wang
Location: San Francisco, California, United States
Industries: Analytics, Developer APIs, Developer Tools, Predictive Analytics
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Automile
Automile offers frictionless tracking and management of fleets and assets.
Founder(s): Felix Rosén, Hervé Soursou, Jacob Pontén, Jens Nylander
Location: Palo Alto, California, United States
Industries: Automotive, B2B, Developer APIs, SaaS, Software
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Aquarium
Aquarium is expertise in making machine learning accessible to its customers that helps to simplify their models by improving datasets.
Founder(s): Peter Gao, Quinn Johnson
Location: San Francisco, California, United States
Industries: Artificial Intelligence, Developer APIs, Information Technology, Machine Learning, Software
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Prismic
Headless CMS with an API, CDN and a Writing Room
Founder(s): Guillaume Bort, Sadek Drobi
Location: San Francisco, California, United States
Industries: CMS, Content, Developer APIs, SaaS, Software
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Avo
Avo is a next-gen analytics governance platform for PMs, devs, and data scientists to plan and govern their product analytics.
Founder(s): Stefania Olafsdottir, Sölvi Logason
Location: Walnut, California, United States
Industries: Analytics, Big Data, Business Intelligence, Data Storage, Database, Developer APIs, Developer Tools, Enterprise Software, Events, SaaS
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AT&T CyberSecurity
AT&T CyberSecurity provides threat intelligence, collaborative defense, and security solutions for businesses.
Founder(s): Dominique Karg, Julio Casal
Location: San Mateo, California, United States
Industries: Cloud Computing, Cyber Security, Developer APIs, Information Technology, Network Security, Open Source, Security
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Veryfi
Market leader in real-time Data Extraction from Receipts, Invoices and other financial documents https://veryfi.com/api
Founder(s): Dmitry Birulia, Ernest Semerda
Location: Mountain View, California, United States
Industries: Accounting, Apps, Computer Vision, Construction, Developer APIs, Enterprise Software, Financial Services, Intelligent Systems, Mobile Apps, SaaS
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GoShare
GoShare connects truck and van owners with businesses & people who need to move, deliver or haul large items on demand.
Founder(s): Shaun Savage
Location: San Diego, California, United States
Industries: Developer APIs, E-Commerce, Internet, Logistics, Marketplace, Retail, Shipping Broker, Transportation, Web Apps
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Diffbot
Diffbot is an AI startup that provides knowledge as a service to power intelligent applications.
Founder(s): Michael Tung
Location: Menlo Park, California, United States
Industries: Analytics, Artificial Intelligence, Developer APIs, Enterprise Software, Internet, Machine Learning, Mobile, Natural Language Processing, Semantic Search
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Paragon
Paragon makes it easy to integrate your product with the SaaS apps your customers use.
Founder(s): Brandon Foo, Ishmael Samuel
Location: Los Angeles, California, United States
Industries: Data Center Automation, Data Integration, Developer APIs, Productivity Tools, SaaS, Software
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AppOnboard
AppOnboard is a software company that empowers creators to build businesses without any programming experience.
Founder(s): Adam Piechowicz, Jonathan Zweig
Location: Los Angeles, California, United States
Industries: Data Visualization, Developer APIs, Developer Platform, Developer Tools, Software
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PokitDok
PokitDok provides a software development platform with a set of APIs that streamlines the basic business processes of healthcare.
Founder(s): Lisa Maki, Ted Tanner
Location: San Mateo, California, United States
Industries: Developer APIs, Health Care, Information Technology, Software
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Tiny Technologies
Tiny is a text editing platform that helps nontechnical users to create content for application and website.
Founder(s): Andrew Roberts, Bill Roberts, Joakim Lindkvist, Johan Sörlin
Location: Palo Alto, California, United States
Industries: Developer APIs, Developer Platform, Developer Tools, Enterprise Software, Software, Web Development
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ToolJet
ToolJet is an open-source low-code framework used to build and deploy custom internal tools.
Founder(s): navaneeth pk
Location: San Francisco, California, United States
Industries: Developer APIs, Developer Tools, Information Technology
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DeepSource
Deepsource is an enterprise tech startup that provides an automated tool to review codes.
Founder(s): Jai Pradeesh, Sanket Saurav
Location: San Francisco, California, United States
Industries: Developer APIs, Developer Tools, Enterprise Software, Internet, Software
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Nexmo
Nexmo provides innovative communication SMS and Voice APIs that enable applications and enterprises to easily connect to their customers.
Founder(s): Eric Nadalin, Tony Jamous
Location: San Francisco, California, United States
Industries: Developer APIs, E-Commerce, Messaging, Mobile, SMS
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Stytch
Stytch improves security and user experience with passwordless authentication.
Founder(s): Julianna Lamb, Reed McGinley-Stempel
Location: San Francisco, California, United States
Industries: Developer APIs, Software, UX Design
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Treasury Prime
Treasury Prime is a Banking-as-a-Service company that connects banks and FinTechs through an API.
Founder(s): Chris Dean, Jim Brusstar
Location: San Francisco, California, United States
Industries: Banking, Developer APIs, Financial Services, FinTech, Payments
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Apollo
Apollo helps engineering teams build unified graphs to accelerate application development and deliver better, more cohesive experiences.
Founder(s): Geoff Schmidt, Matt DeBergalis, Nick Martin
Location: San Francisco, California, United States
Industries: Developer APIs, Developer Platform, Developer Tools, Enterprise Software, Open Source, Software
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Tetrate
Tetrate provides enterprise-ready service mesh for all workloads and all environments.
Founder(s): Jeyappragash Jeyakeerthi, Varun Talwar
Location: San Francisco, California, United States
Industries: Application Performance Management, Developer APIs, Developer Tools, SaaS
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PubNub
PubNub Data Stream Network is a secure global Data Stream Network that enables mobile and web developers to build and scale real-time apps.
Founder(s): Stephen Blum, Todd Greene
Location: San Francisco, California, United States
Industries: Apps, Cloud Computing, Developer APIs, Internet of Things, Mobile, Real Time, Software, Web Development
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Deepgram
Deepgram is an AI Speech Platform that provides developers with a simple to use Speech-to-Text API
Founder(s): Noah Shutty, Scott Stephenson
Location: San Francisco, California, United States
Industries: Artificial Intelligence, Audio, Developer APIs, Speech Recognition
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DevRev
DevRev is a platform for managing developer-customer relationships that allow developers to build, support, and grow their businesses.
Founder(s): Dheeraj Pandey, Manoj Agarwal
Location: Palo Alto, California, United States
Industries: Computer, CRM, Developer APIs, Developer Platform, Software
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Yobs
Instantly record, transcribe and analyze Zoom interviews to hire better, faster.
Founder(s): federico dubini, Raphael Danilo
Location: Los Angeles, California, United States
Industries: Consumer Software, Developer APIs, Human Resources, Information Technology
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BetterDoctor
BetterDoctor, a technology company, delivers provider directory data and has a database that can be accessed through a responsive API.
Founder(s): Ari Tulla, Tapio Tolvanen
Location: San Francisco, California, United States
Industries: Apps, Database, Developer APIs, Health Care, Internet, Medical, Mobile, Search Engine
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Airbrake.io
Airbrake is an error tracking company that collects and aggregates errors in web apps for developers.
Founder(s): Joe Godfrey
Location: San Francisco, California, United States
Industries: Apps, Developer APIs, SaaS, Software
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Wage
Verix is a seamless APIs for real-time income and employment verification.
Founder(s): Ben Prawdzik, Shaan Patel
Location: San Francisco, California, United States
Industries: Developer APIs, Enterprise Software, FinTech, Information Technology, Internet
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Pixie
At Pixie Labs, we build machine intelligence systems which empower developers to engineer the future.
Founder(s): Ishan Mukherjee, Zain Asgar
Location: San Francisco, California, United States
Industries: Developer APIs, Developer Platform, Developer Tools, Enterprise Software, Machine Learning, Software
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Trueface
Trueface applies computer vision technology to camera streams to enable businesses to make immediate decisions based on identified patterns.
Founder(s): Nezare Chafni, Shaun Moore
Location: Santa Monica, California, United States
Industries: Artificial Intelligence, Computer Vision, Developer APIs, Facial Recognition, Machine Learning, Security
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Leaf Agriculture
Leaf’s universal farm data API helps developers build a better food system.
Founder(s): G. Bailey Stockdale, Luiz Henrique Zambom Santana
Location: Los Angeles, California, United States
Industries: Agriculture, AgTech, Analytics, Developer APIs, Farming, Information Technology, Internet, Software
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Authy
Authy provides an API for developers to customize the user experience when adding two-factor authentication and multiple add-ons for apps.
Founder(s): Daniel Palacio, Gleb Chuvpilo
Location: San Francisco, California, United States
Industries: Cyber Security, Developer APIs, Mobile, Security
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Intento
Intento helps global companies procure and utilize the best-fit cognitive AI services across multiple scenarios via its Enterprise AI Hub.
Founder(s): Grigory Sapunov, Konstantin Savenkov
Location: Berkeley, California, United States
Industries: Artificial Intelligence, Developer APIs, Information Technology
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Viv
Viv radically simplifies the world by providing an intelligent interface to everything.
Founder(s): Adam Cheyer, Chris Brigham, Dag Kittlaus
Location: San Jose, California, United States
Industries: Artificial Intelligence, Big Data, Developer APIs, Developer Platform, E-Learning, Natural Language Processing, Tutoring
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TrueCare24
In-Home Senior Care Automation Platform
Founder(s): Bianca Gonzalez, Bimohit Bawa, Leo Popov
Location: San Francisco, California, United States
Industries: Developer APIs, Elder Care, Elderly, Health Care, Home Health Care, Information Technology, mHealth
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Cask
Cask provides the first unified integration platform for Hadoop and Apache Spark.
Founder(s): Jonathan Gray, Nitin Motgi, Todd Papaioannou
Location: Palo Alto, California, United States
Industries: Analytics, Big Data, Developer APIs, Open Source, Software
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Xano
Xano provides a scalable backend, database, ready-to-use API, and a No Code business logic builder to transform data to and from any source.
Founder(s): Jacques Antikadjian, Prakash Chandran, Sean Montgomery
Location: Woodland Hills, California, United States
Industries: Cloud Infrastructure, Developer APIs, Developer Tools, Mobile Apps, Software, Web Apps
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StepZen
StepZen helps developers build intuitive and performant GraphQL declaratively – on database, REST and GraphQL backends.
Founder(s): Anant Jhingran, Helen Whelan, Sridhar Rajagopalan
Location: San Jose, California, United States
Industries: Database, Developer APIs, Software, Information Technology
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Kloudless
Kloudless abstracts away the differences between APIs, creating a simple, unified interface for devs to build integrations into their apps.
Founder(s): Brian Tang, Eliot Sun, Timothy Liu, Vinod Chandru
Location: Berkeley, California, United States
Industries: Data Integration, Developer APIs, Enterprise Applications, Information Technology, SaaS, Software
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Maslo
We make companions that care about people.
Founder(s): Cristina Poindexter, Ross Ingram, Russell Foltz-Smith
Location: Los Angeles, California, United States
Industries: Artificial Intelligence, Developer APIs, Information Technology, Personal Health, Software
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Automate.io
Use tens of cloud apps? Connect them the way you want. Sync data, automate workflows – marketing, sales and more.
Founder(s): Ashok Reddy Gudibandla
Location: San Francisco, California, United States
Industries: Cloud Computing, Data Integration, Developer APIs, Marketing Automation, SaaS, Sales Automation, Software
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DataFleets
DataFleets is a privacy-preserving data engine that unifies distributed data for rapid access, agile analytics, and automated compliance.
Founder(s): David Gilmore, Nick Elledge
Location: Palo Alto, California, United States
Industries: Analytics, Big Data, Developer APIs, Enterprise Software, Machine Learning, Privacy, Security
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Swiftype
Swiftype is a provider of SaaS-based site and enterprise search platform used to fully customize the search experience on websites.
Founder(s): Matt Riley, Quin Hoxie
Location: San Francisco, California, United States
Industries: App Marketing, Developer APIs, E-Commerce, Enterprise Software, Knowledge Management, Open Source, SaaS, Search Engine, Software
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Agave
Unified API for Construction
Founder(s): John Zucchi, Pooria Azimi, Samantha Zhang, Tom Reno
Location: Santa Barbara, California, United States
Industries: B2B, Construction, Developer APIs, SaaS, Software
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Apres
Engaged AI – Helping the world build AI people can trust
Founder(s): Blake Aber, Matt Waite, Mihovil Kovacevic, Rahul Kumar, Subbu Balakrishnan
Location: San Francisco, California, United States
Industries: Analytics, Artificial Intelligence, Developer APIs, Machine Learning, SaaS
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ModernTax
ModernTax is API platform that democratizes access to tax records for business services companies.
Founder(s): Matthew Parker
Location: San Francisco, California, United States
Industries: Compliance, Developer APIs, Financial Services, FinTech, Information Technology, SaaS, Software
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Agora.io
Agora.io enables developers to add HD interactive broadcast, voice, and video calls into mobile and web apps through SDK.
Founder(s): Tony Wang, Tony Zhao
Location: Santa Clara, California, United States
Industries: Developer APIs, Developer Tools, PaaS, Real Time
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Apiary
Apiary provides tools that help companies build, test, monitor, and document web APIs.
Founder(s): Jakub Nesetril, Jan Moravec
Location: San Francisco, California, United States
Industries: Data Integration, Developer APIs, Infrastructure, Software, Test and Measurement
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Ubiq Security
Simplifying encryption for developers through APIs.
Founder(s): Eric Tobias
Location: San Diego, California, United States
Industries: Cyber Security, Developer APIs, Information Technology, PaaS, SaaS, Software
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Stronghold
Stronghold creates virtual payment networks that give developers access legacy and next-generation payment networks through a simple API.
Founder(s): Sean Bennett, Tammy Camp
Location: San Francisco, California, United States
Industries: Blockchain, Cryptocurrency, Developer APIs, Financial Services, FinTech, Internet, Payments
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Unit21
Unit21 provides a customizable, no-code platform for risk & compliance operations teams to fight fraud, money laundering & financial crimes.
Founder(s): Clarence Chio, Trisha Kothari
Location: San Francisco, California, United States
Industries: Compliance, Developer APIs, Fraud Detection, Risk Management, Software
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CloudVector
CloudVector protects an organization’s internally-developed APIs, third-party application APIs, and the data carried within them.
Founder(s): Aiguo Fei, Lebin Cheng, Ravi Balupari
Location: Los Altos, California, United States
Industries: Cyber Security, Developer APIs, Information Technology, Software
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remote.it (pronounced remote it)
Unleashing Private Networks: Hardware Independent, No Open Ports, Cloud Managed, Bulk Device Management
Founder(s): Doug Olkein, Mike Johnson, Ryo Koyama
Location: Petaluma, California, United States
Industries: Developer APIs, Information Technology, Internet of Things, PaaS, SaaS, Software
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Oda
Oda aggregates real estate data from listing services and government records into a unified API.
Founder(s): Ege Ozgirin, Geri Deveja, Hazal Mine Kansu, Mert Karakus
Location: San Francisco, California, United States
Industries: Developer APIs, Marketing Automation, Real Estate
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Metrist
Performance & availability monitoring for the cloud apps your SaaS depends on
Founder(s): Jeff Martens, Ryan Duffield
Location: San Francisco, California, United States
Industries: Application Performance Management, Cloud Data Services, Cloud Infrastructure, Developer APIs, Developer Tools, SaaS, Software
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SnapRoute
Snaproute is delivering architectural innovation and paradigm breaking economics with a cloud native network operating system.
Founder(s): Adam Casella, Glenn Sullivan, Jason Forrester
Location: Santa Clara, California, United States
Industries: Data Center, Developer APIs, Enterprise, Open Source, Software, Telecommunications
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Cavirin Systems
Cavirin is the company providing cybersecurity risk posture – CyberPosture – and compliance for the enterprise hybrid cloud.
Founder(s): Dr. Rao Papolu
Location: Santa Clara, California, United States
Industries: Cloud Computing, Cloud Security, Compliance, Developer APIs, Security
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Hoss
Hoss is an enterprise software company that helps teams make better API-driven products by tracking and managing the APIs they consume.
Founder(s): Cameron Cooper, Matt Hawkins, Trung Vu
Location: Mountain View, California, United States
Industries: Apps, Developer APIs, Enterprise Software, SaaS, Software
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Wit.ai
Wit.ai makes it easy for developers to build a Siri-like speech interface for their apps or devices.
Founder(s): Alexandre Lebrun, Laurent Landowski, Willy Blandin
Location: Palo Alto, California, United States
Industries: Artificial Intelligence, Computer, Developer APIs, Machine Learning, Software
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Autocode
An online code editor with API autocomplete, instant hosting, and a Standard Library. Sync data, build bots and customize workflows.
Founder(s): Jacob Lee, Keith Horwood
Location: San Francisco, California, United States
Industries: Developer APIs, Open Source, PaaS, Software
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eDRV
eDRV is a cloud based API platform for electric vehicle charging
Founder(s): Bhaskar Deol, Rupul Safaya
Location: San Francisco, California, United States
Industries: Developer APIs, Electric Vehicle, SaaS, Software
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Rev.com
Rev’s speech-to-text services are powered by artificial intelligence and perfected by a community of skilled freelancers.
Founder(s): Dan Kokotov, David Abrameto, Jason Chicola, Josh Breinlinger, Mark Chen, Paul Huck
Location: San Francisco, California, United States
Industries: Artificial Intelligence, Developer APIs, Mobile Apps, Software, Speech Recognition
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SightCall
SightCall is the leading Visual Assistance platform for enterprises enriched by Augmented Reality and Artificial Intelligence
Founder(s): Antoine Vervoort, Thomas Cottereau
Location: San Francisco, California, United States
Industries: Apps, Artificial Intelligence, Augmented Reality, Cloud Computing, Developer APIs, Enterprise Software, Mobile, SaaS, Video, Video Chat
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Smartcar
Smartcar is the car API for developers. Our platform allows web and mobile apps to locate and unlock cars using simple HTTP requests.
Founder(s): Sahas Katta, Sanketh Katta
Location: Mountain View, California, United States
Industries: Automotive, Developer APIs, Software
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Merge
Merge integrates HR, payroll, recruiting, and accounting platforms into a unified API.
Founder(s): Gil Feig, Shensi Ding
Location: San Francisco, California, United States
Industries: Data Integration, Developer APIs, Developer Platform, Developer Tools, Software
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Upcall
Upcall is the human-powered outbound sales & marketing calling platform.
Founder(s): Michael Devyver, Samuel Devyver
Location: San Francisco, California, United States
Industries: B2B, Developer APIs, Marketing, Sales, Sales Automation, Software, Telecommunications
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Driven
Driven, Inc. is the industry leader in Big Data application development and performance management solutions.
Founder(s): Chris Wensel
Location: San Francisco, California, United States
Industries: Big Data, Data Integration, Developer APIs, Developer Tools, Enterprise Software, Software
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Stipop (YC S21)
Stipop offers messaging, video, and profile stickers for apps intended to enrich online communication.
Founder(s): Daniel Cho, Tony Park
Location: Los Angeles, California, United States
Industries: Apps, B2B, Developer APIs
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Seam
Seam is an API for developers to control homes and buildings.
Founder(s): Dawn Ho, Sy Bohy
Location: San Francisco, California, United States
Industries: Developer APIs, Internet of Things, Productivity Tools
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RevenueCat
RevenueCat is a mobile subscription toolkit that makes it easy to build and manage in-app purchases and subscriptions.
Founder(s): Jacob Eiting, Miguel Carranza
Location: San Francisco, California, United States
Industries: Big Data, Developer APIs, Developer Tools, Mobile Apps, Mobile Payments
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Stormpath
Authentication & User Management API
Founder(s): Alex Salazar, Les Hazlewood
Location: San Mateo, California, United States
Industries: Cloud Security, Developer APIs, Developer Tools, Enterprise Software, Identity Management
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Doorman
Doorman provides package delivery, return pickup, and fulfillment services for online retailers and their customers.
Founder(s): Kapil Israni, Zander Adell
Location: San Francisco, California, United States
Industries: Developer APIs, E-Commerce, Logistics, Mobile Apps
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Jido Maps
Jido Maps is a software company that offers an API for persistent augmented reality.
Founder(s): Jaeyong Sung, Mark Stauber
Location: San Francisco, California, United States
Industries: Artificial Intelligence, Augmented Reality, Developer APIs, Internet, Machine Learning, Software, Telecommunications, Virtual Reality
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Timekit
Timekit empowers developers and designers through a set of unified APIs that deliver the entire booking infrastructure.
Founder(s): Jesper Klingenberg, Visti Kløft
Location: San Francisco, California, United States
Industries: Developer APIs, Mobile
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Globaleur
Globaleur provides digital infrastructure driven by AI for companies in Travel & Hospitality and Mobility
Founder(s): David Lee, Guhan Wang, Kuan-Lun Chen
Location: Santa Clara, California, United States
Industries: Artificial Intelligence, Developer APIs, Machine Learning, Software, Tourism, Travel
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UtilityAPI
UtilityAPI is a service that automatically collects utility bill and usage data from utility web portals.
Founder(s): Daniel Roesler, Elena Lucas
Location: Oakland, California, United States
Industries: Asset Management, B2B, Developer APIs, Energy Efficiency, Energy Management, Energy Storage, Enterprise Software, Information Technology, Software, Solar
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Kimono Labs
Kimono Labs is an online platform that allows its users to convert their websites into APIs.
Founder(s): Pratap Ranade, Ryan Rowe
Location: San Francisco, California, United States
Industries: Data Mining, Developer APIs, Internet
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Mashery
Mashery is a TIBCO company providing API management services that enable companies to leverage web services as a distribution channel.
Founder(s): Clay Loveless, Kirsten Spoljaric, Oren Michels, Scott Rafer
Location: San Francisco, California, United States
Industries: Analytics, Developer APIs, Enterprise Software, Information Technology, Internet, SaaS, Software
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Daily.co
Daily.co offers video chat as an API.
Founder(s): Doug Brunton, Kwindla Kramer, Nina Kuruvilla
Location: Mountain View, California, United States
Industries: Audio, Communication Hardware, Developer APIs, Developer Platform, Video Chat
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WorkOS
WorkOS provides APIs to make applications enterprise-ready, with pre-built features and integrations required by IT admins.
Founder(s): Michael Grinich
Location: San Francisco, California, United States
Industries: Developer APIs
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Human API
Human API is a real-time health data network that gives consumers a simple way to view and share their health data from everywhere.
Founder(s): Andrei Pop, Ola Wiberg
Location: San Mateo, California, United States
Industries: Developer APIs, Health Care, Real Time, Software
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Mentum
Mentum is an API for fintech companies that offers investment services.
Founder(s): Daniel O., Gustavo A. Trigos, Simon Avila
Location: San Francisco, California, United States
Industries: Developer APIs, Financial Services, FinTech
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Netifi
The next-generation microservices platform.
Founder(s): Greg Whitaker, Robert Roeser, Ryland Degnan
Location: San Francisco, California, United States
Industries: Cloud Computing, Developer APIs, Enterprise Software, Internet of Things, Messaging, Mobile, Real Time, Software
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isocket
isocket offers a technology platform that is focused on buying and selling fixed price inventory.
Founder(s): John Ramey
Location: San Francisco, California, United States
Industries: Advertising, Developer APIs, PaaS
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Vital
Vital is an API for collecting at-home health data that allows developers to build privacy-focused healthcare applications.
Founder(s): Maitham Dib
Location: San Francisco, California, United States
Industries: Developer APIs, Health Care, Software
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