# API Testing Tools SaaS

> 681 API Testing Tools SaaS products listed on SaaS Browser. Figures as of 2026-11-07.

Web page: https://saasbrowser.com/en/category/api-testing-tools?page=3
All categories: https://saasbrowser.com/en/categories.md

## Products (page 3 of 10)

- [viswiz](https://saasbrowser.com/en/saas/183593/viswiz): VisWiz.io is a visual regression testing tool designed to catch unwanted UI changes before they reach production. It integrates easily with various testing frameworks and supports web, mobile, and desktop applications, providing detailed reports and notifications through preferred channels.
- [AssureQA](https://saasbrowser.com/en/saas/344379/assureqa): AssureQA offers an AI-powered, no-code platform designed to simplify and enhance the testing process for web, API, and mobile applications. With advanced automation tools and seamless integrations, it ensures reliable performance and efficient workflows for businesses of all sizes.
- [Apptest](https://saasbrowser.com/en/saas/353696/ptero): This advanced testing platform automates mobile application testing on actual devices, enabling users to execute comprehensive tests without the need for coding or extensive setup. Key features include AI-driven scenario creation, real-time result analysis, and seamless integration with device farms, addressing challenges such as resource allocation, testing efficiency, and quality assurance for development teams across various industries.
- [Automize](https://saasbrowser.com/en/saas/77011/automize): Automize is a powerful Chrome extension designed to streamline web testing and scraping by automating the script-writing process directly within Chrome DevTools. With advanced AI features for effortless element selection and robust support for various testing frameworks, Automize enhances productivity and simplifies complex automation tasks.
- [Testim](https://saasbrowser.com/en/saas/4552/testim): Testim.io offers AI-powered automated UI and functional testing solutions for web, mobile, and Salesforce applications, enabling teams to accelerate test authoring and enhance app quality. With features like smart locators for increased test stability and seamless integration into existing workflows, Testim streamlines the testing process for engineers and agile teams alike.
- [FixtureTester](https://saasbrowser.com/en/saas/397286/fixturetester): FixtureTester is an app designed to easily test all the fixtures in a lighting rig. It supports over 1200 fixtures from various manufacturers and allows users to run macros, perform address tests, and check parameters without needing a lighting desk.
- [Progressive Tooling](https://saasbrowser.com/en/saas/183552/progressive-tooling): Progressive tooling encompasses a comprehensive suite of community-developed, third-party utilities designed to enhance web development workflows, improve page performance, and ensure accessibility. It includes tools for auditing and testing website speed across devices and networks, optimizing images, videos, and code bundles, implementing lazy loading and offline support through service workers, and verifying accessibility compliance with visualization, auditing, and warning frameworks; all tailored for developers, QA engineers, and webmasters seeking to streamline development, optimize user experience, and maintain high standards of performance and accessibility across various web applications and frameworks.
- [TestRay](https://saasbrowser.com/en/saas/27533/testray): TestRay offers comprehensive test automation solutions designed to enhance software development processes, focusing on requirements and test management. With its intuitive interface and powerful features, teams can collaborate effectively, gain valuable insights, and streamline their workflows to deliver high-quality software efficiently.
- [Reqable](https://saasbrowser.com/en/saas/920146/reqable): Reqable is a comprehensive API development and network traffic analysis tool designed to streamline debugging, testing, and monitoring of APIs across multiple platforms, including desktop and mobile devices. It offers advanced features such as multi-protocol traffic interception using a MITM proxy supporting HTTP/HTTPS, HTTP2, and WebSocket protocols, along with flexible request filtering, detailed request and response diffing, customizable scripting with Python, and seamless mobile collaboration without Wi-Fi proxies. This tool efficiently solves common challenges faced by developers, QA engineers, and software testers by simplifying complex debugging workflows, improving API accuracy, reducing troubleshooting time, and enhancing mobile and desktop API development productivity, making it ideal for software engineers, quality assurance teams, and developers working on REST API integration and network request analysis.
- [AREX](https://saasbrowser.com/en/saas/616980/arex): AREX is an API test tool that automates testing by replicating real online traffic, making it easier to ensure application quality. It allows users to create test cases without writing code, streamlining the testing process and reducing costs for businesses of all sizes.
- [testmon](https://saasbrowser.com/en/saas/174581/testmon): Testmon.net speeds up test suites in continuous integration (CI) by efficiently sharing pytest-testmon data across different environments. This service helps save developer time and CI resources by running only the tests that are likely to fail, significantly reducing wait times during builds.
- [HttpMaster](https://saasbrowser.com/en/saas/203019/httpmaster): This website offers a free tool for testing web applications, featuring a user-friendly interface and no coding required. It supports various web APIs and services, allowing users to automate requests, validate responses, and manage test scenarios efficiently.
- [Emtrey](https://saasbrowser.com/en/saas/17629/emtrey): This tool enables the creation of user interface regression tests rapidly, allowing developers to ensure the visual integrity of web applications without the need for manual clicks or scripting. Key features include automatic pixel-perfect test generation, style change tracking, seamless integration with popular development tools, and collaborative project management, making it ideal for software teams aiming to enhance quality assurance and streamline their testing processes.
- [Squaretest](https://saasbrowser.com/en/saas/254153/squaretest): Squaretest is a plugin for IntelliJ IDEA that automatically generates unit tests for Java classes, simplifying the testing process for developers. It creates test classes with necessary boilerplate code, allowing users to focus on adding specific details and assertions.
- [Boomerang](https://saasbrowser.com/en/saas/331301/boomerang): This professional API testing and debugging tool lets developers and QA teams design, run, validate, and monitor REST and SOAP APIs with speed and accuracy, offering automated test suites, request/response inspection, assertions, environment management, error tracing, and detailed analytical reports. It solves problems such as flaky tests, slow debugging, inconsistent environments, and limited visibility into endpoints by providing in-browser testing via a progressive web app or browser extensions, cross-platform compatibility, thorough documentation, and resources that support quick onboarding, collaboration, and scalable workflows for software engineers, API specialists, testers, and DevOps teams.
- [EasyQA](https://saasbrowser.com/en/saas/1521612/easyqa): This integrated quality assurance (QA) tool enhances website and application testing by enabling users to identify discrepancies between design mockups and live webpages directly within the browser, streamlining the review process. Its primary features include side-by-side visual comparisons with adjustable dividers, overlaying design files for precise alignment checks, rulers and guides for measuring distances and element dimensions, live in-browser commenting for collaborative feedback, customizable themes such as light and dark modes for optimal visibility, and shareable reports that allow effortless distribution of review summaries—ideal for UI/UX designers, developers, and QA teams aiming for efficient, accurate validation without switching between multiple tools or platforms.
- [JsonViewer](https://saasbrowser.com/en/saas/306378/jsonviewer): JSON Viewer is a free online tool that beautifies and validates JSON data, making it easy to read and ensuring its structure is correct. Ideal for developers, it simplifies JSON handling for web applications and API interactions, enhancing data integrity and readability.
- [Browser Use](https://saasbrowser.com/en/saas/310755/browser-use): A versatile, open-source ecosystem for browser automation that enables programs to browse, interact, and automate the web much like a human, solving repetitive data-collection, testing, and workflow-automation challenges with stealth browsing, CAPTCHA bypass, persistent sessions, proxy rotation, cloud-synced cookies and storage, and automatic file handling. Geared toward development teams, data engineers, QA specialists, and enterprise users, it provides multi-language SDKs (Python and TypeScript), scalable cloud or on-prem deployment, automated updates, a single API key for access, open-source compatibility, and ready-made templates to accelerate automation, scraping, and browser-driven workflows.
- [Allure TestOps](https://saasbrowser.com/en/saas/125786/allure-testops): Allure TestOps offers a comprehensive full-stack test management solution designed to streamline both manual and automated testing processes, enhancing productivity and integration within DevOps environments. With features like Smart Test Cases, real-time analytics, and seamless CI/CD integration, it empowers teams to maintain test visibility and act on insights efficiently.
- [h00k](https://saasbrowser.com/en/saas/1342233/h00k): This platform enables developers and technical teams to monitor, debug, and test webhooks with real-time visibility, ensuring seamless integration and troubleshooting. Key features include instantaneous inspection of incoming requests, customizable mock responses utilizing AI for generating realistic data, request forwarding to local servers for live debugging, and snapshot sharing for collaboration, all while maintaining high privacy standards. It effectively solves problems related to webhook validation, error diagnosis, scenario testing, and collaboration, making it ideal for software developers, QA engineers, API integrators, and DevOps professionals seeking efficient, secure, and user-friendly webhook management tools.

Next page: https://saasbrowser.com/en/category/api-testing-tools.md?page=4

Affiliate programs in this category: https://saasbrowser.com/en/affiliate-programs/api-testing-tools
Bug bounty programs in this category: https://saasbrowser.com/en/bug-bounty-programs/api-testing-tools
Full data is available through the API (https://saasbrowser.com/en/resources/api) and the MCP server (https://saasbrowser.com/en/resources/mcp).