Compare the Top Free API Testing Tools as of November 2026 - Page 3

  • 1
    ApiScout

    ApiScout

    ApiScout

    ApiScout is your one-stop environment for building, testing, and describing Rest Apis. It is incredibly fast. No waiting or restarting. No spinners. Fast on all Mac devices. Compose requests, inspect responses ApiScout is the only HTTP Client tool you will need while building, testing, and describing your APIs. Organize requests into folders Dynamic values Use dynamically calculated values, values from previous responses, environment variables, computed hashes, etc. in every part of your requests. Environment variables Use environments to group related sets of values together. It's very handy for switching user accounts, servers, or anything else. Define variables like tokens, server base URLs, or credentials and re-use them globally for a seamless development/production workflow.
    Starting Price: $5 per month
  • 2
    ContextQA

    ContextQA

    ContextQA

    ContextQA is a groundbreaking product that empowers organizations to enhance their automation test coverage, elevate software quality, expedite product delivery, and significantly curtail expenses related to maintaining software quality through the utilization of AI-driven SaaS solutions. AI agents will transform your manual test cases and user stories into automated test cases. ContextQA collects evidence and performs root-cause analysis while reporting a bug. ContextQA identifies critical user paths and pinpoints gaps in the software testing process. Complete end-to-end testing, including contract testing, eliminates the need for separate front-end and back-end testing tools. Test and identify glitches, enhance performance, and guarantee seamless user experiences on a plethora of browsers, mobile devices, and OS. ContextQA simplifies the process of incorporating test cases with minimal effort, enabling rapid expansion of automation coverage for your products and services.
  • 3
    BusStop

    BusStop

    Idea Expressions

    BusStop is a no code test automation tool available online. The focus is on API testing. Here, users are provided with an end to end workflow for API testing. Modules for management test data and regression suites help the users to visualize the flow of testing. Project level settings are provided to update the authentication credentials and environment values. Users can themselves schedule API tests at a given time. The workflow starts from configuration of API and test data and ends at scheduled scripts with report alerts. The objective is to enable manual testers to automate the API tests with the help of a tool without coding.
  • 4
    JMeter

    JMeter

    Apache Software Foundation

    The Apache JMeter™ application is open source software, a 100% pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions. Apache JMeter may be used to test performance both on static and dynamic resources, Web dynamic applications. It can be used to simulate a heavy load on a server, group of servers, network or object to test its strength or to analyze overall performance under different load types.