API Test Base AlternativesHTTP & API Clients like API Test Base

API Test Base is described as 'Free tool for integration testing a variety of APIs. It is suitable for Integration, ESB and Microservices testing' and is a HTTP Client in the development category. There are more than 25 alternatives to API Test Base for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best API Test Base alternative is Postman, which is free. Other great apps like API Test Base are Insomnia REST Client, Yaak, Cartero and soapUI.

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Alternatives list

  1. Postman icon

    Postman

     177 likes
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    Postman is a collaborative platform for API development that provides extensive tools for designing, testing, and documenting APIs. It allows API verification through requests, automated testing via Collection Runner, and offers both free and paid plans, catering to individuals and teams.

    88 Postman alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Chrome OS
    • Google Chrome
    • Flathub
    • Flatpak
    • Snapcraft
    Postman screenshot 1
     

    • Postman is the most popular Web-based, Windows, Mac & Linux alternative to API Test Base.

    • Postman is the most popular free alternative to API Test Base.

    • Postman is Freemium and ProprietaryAPI Test Base is Free and Proprietary
  2. Insomnia REST Client icon

    Insomnia REST Client

     145 likes
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    A powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux.

    81 Insomnia REST Client alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak
    Specify URL, payload, headers, and authorization all in one place. Then just hit send.
     

    • Insomnia REST Client is the most popular Open Source alternative to API Test Base.

    • Insomnia REST Client is Freemium and Open SourceAPI Test Base is Free and Proprietary
  4. Yaak icon

    Yaak

     18 likes
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    The API client for modern developers. Call REST, GraphQL, and gRPC APIs from a simple and intuitive app.

    65 Yaak alternatives

    Cost / License

    • Free Personal
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    Clean an minimal interface
     
  5. Cartero icon

    Cartero

     6 likes
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    Cartero is a graphical HTTP client that can be used as a developer tool to test web APIs and perform all kind of HTTP requests to web servers. It is compatible with any REST, SOAP or XML-RPC API and it supports multiple request methods as well as attaching body payloads to...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Windows
    • Flathub
    • Flatpak
    • Nix Package Manager
    • Mac
    Cartero screenshot 1
     
  6. soapUI icon

    soapUI

     59 likes
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    Eviware, the maker of soapUI, Web Service Testing Leader

    soapUI is a tool for functional testing, mainly of web services like SOAP based web services and RESTful web services, but also HTTP based services and JMS Services as well as databases. soapUI is an open source and compl.

    79 soapUI alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    soapUI screenshot 1
     
  7. RecipeUI icon

    RecipeUI

     5 likes
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    RecipeUI is rethinking how we use API tools like Postman or Insomnia. We're starting off with TypeScript powered API requests and API collections you can run in seconds!

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    • Mac
    • Windows
    RecipeUI screenshot 1
     
  9. Advanced REST Client icon

    Advanced REST Client

     27 likes
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    API testing tool. Which allows web developers to create and test custom HTTP requests.

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
    • AppImageHub
    • Google Chrome
    • Chromium
    Advanced REST Client screenshot 1
     
  10. Kusho icon

    Kusho

     3 likes
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    Never test your APIs manually again.

    62 Kusho alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Visual Studio Code
    • Mac
    • Windows
    • Linux
    Kusho screenshot 1
     
  11. Apache JMeter icon

    Apache JMeter

     34 likes
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    Apache JMeter is an open source Java application, designed to load test functional behavior and measure performance. Originally designed for testing Web Applications, it has since expanded to other test functions as well.

    47 Apache JMeter alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    Apache JMeter screenshot 1
     
  12. ArdorQuery icon

    ArdorQuery

     1 like
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    ArdorQuery is a cross-platform tool for performing any HTTP(S) endpoints like REST API, HTML, Images, GraphQL, OData etc.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Linux
    • Flathub
    ArdorQuery screenshot 1
     
  13. gRPC icon

    gRPC

     1 like
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    gRPC is a modern open source high performance Remote Procedure Call (RPC) framework that can run in any environment. It can efficiently connect services in and across data centers with pluggable support for load balancing, tracing, health checking and authentication.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Self-Hosted
    gRPC screenshot 1
     

    • gRPC is the most popular Self-Hosted alternative to API Test Base.

    • gRPC is Free and Open SourceAPI Test Base is Free and Proprietary
  14. Chapar icon

    Chapar

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    Upcoming API testing tool in beta, built in GoLang, supporting HTTP/gRPC, workspaces, environments, request management, and various content types. Features include dark mode, local data storage, Postman import, environment variable setting, and request chaining.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Linux
    Chapar screenshot 1
     
12 of 36 API Test Base alternatives