Best API Testing Companies

Postman serves as an API platform in the technology sector, focusing on streamlining the API development process. The company offers a suite of tools that simplify building, testing, and collaborating on APIs, making it accessible for developers and organizations to create and manage APIs efficiently. Postman primarily serves the software development industry. It was founded in 2014 and is based in San Francisco, California.

SmartBear develops software testing, monitoring, and developer tools. The company offers a range of products that provide solutions for test automation, application production visibility, performance testing, application programming interface (API) lifecycle management, test management, and collaboration. It was founded in 2009 and is based in Somerville, Massachusetts.

LambdaTest is an AI-powered testing cloud platform that specializes in cross browser and mobile app testing. The company offers a range of testing solutions including manual and automated cross browser testing, Selenium script execution on a cloud-based infrastructure, and live-interactive app testing on Android and iOS devices. LambdaTest provides AI-powered visual regression testing and test intelligence insights, along with a unified test manager for enterprise clients. It was founded in 2017 and is based in San Francisco, California.

IBM operates as a multinational information technology company. It manufactures and sells computer hardware and software products. It also offers a range of solutions such as cloud cost management, business automation, data management, data warehouse, and more. It serves industries such as automotive, insurance, retail, and more. It was formerly known as Computing-Tabulating-Recording Company. The company was founded in 1911 and is based in Armonk, New York.

BrowserStack is a software testing platform that specializes in web and mobile application testing across various browsers and real devices. The company offers a suite of services including manual and automated testing, visual review tools, and compliance testing for accessibility standards. BrowserStack serves a broad range of customers, from individual developers to large enterprises, providing tools to improve software quality and streamline the testing process. It was founded in 2011 and is based in Dublin, Ireland.

Katalon Studio is a comprehensive test automation platform that caters to various aspects of software testing. The platform enables the creation, execution, and management of automated tests for web, mobile, desktop, and API applications. Katalon Studio offers a suite of tools that support no-code test creation, AI-augmented testing, and integration with CI/CD pipelines, facilitating efficient and scalable test automation for teams of any size. It was founded in 2016 and is based in Atlanta, Georgia.

Keploy focuses on providing open-source tools for developers. The company's main service involves the use of artificial intelligence to generate test cases and data mocks for end-to-end testing, simplifying the process of testing and debugging software. Keploy primarily serves the software development industry. It was founded in 2020 and is based in Dover, Delaware.

Leapwork operates as an artificial intelligence (AI)-powered visual test automation platform. It offers application monitoring, functional user interface (UI) testing, continuous testing, transformation, regression testing, and more. Leapwork can help with software testing, data migration, and robotic process automation in finance and healthcare. It was formerly known as Leaptest. The company was founded in 2015 and is based in Copenhagen, Denmark.

mabl provides a low-code, intelligent test automation platform. The company offers a unified platform for the creation, execution, and maintenance of reliable browsers, application programming interfaces (API), and mobile web tests. It primarily serves high-velocity software teams in various sectors. The company was formerly known as Project Longreen. It was founded in 2016 and is based in Boston, Massachusetts.

MuukTest specializes in test automation services within the software quality assurance industry. The company offers a combination of proprietary artificial intelligence (AI) powered software and expert quality assurance (QA) services to facilitate efficient automation testing for businesses. MuukTest primarily serves growing businesses looking to enhance its software testing processes. It was founded in 2019 and is based in Raleigh, North Carolina.

Outpost24 is a company that focuses on cybersecurity and risk management. The company offers a range of services including digital risk protection, attack surface discovery and monitoring, vulnerability management, and web application security testing. These services help organizations identify security gaps, manage vulnerabilities, and protect their digital assets. It was founded in 2001 and is based in Karlskrona, Sweden.

Sauce Labs provides continuous test and error reporting solutions. The company offers continuous testing cloud identifies quality signals in development and identifies the source of errors in production on every browser, operating system, and more. It primarily serves the Internet software and service sector. The company was founded in 2008 and is based in San Francisco, California.

Tricentis specializes in continuous testing and quality engineering, focusing on automated software testing tools. The company offers a range of products including test automation, test management, performance testing, mobile testing, and data & change intelligence solutions. Tricentis primarily serves sectors that require robust software testing solutions, such as financial services, healthcare, telecom, and retail. It was founded in 2007 and is based in Austin, Texas.