API Test Base Alternatives

API Test Base is described as 'Free, offline-first tool for testing APIs and their side effects — the records an API writes to a database, the messages it publishes to a queue, the downstream services it calls. Test cases are created with a no-code / low-code UI, and the same tests can be' 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, ApiArk and soapUI.

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Alternatives
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Alternatives list

  1. ArdorQuery icon
     1 like

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

    Cost / License

    Application type

    Platforms

    • Mac
    • Linux
    • Flathub
    Good alternative?
     
  2. gRPC icon
     1 like

    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

    Platforms

    • Self-Hosted
    • US flagUnited States
    gRPC screenshot 1
    Good alternative?
     
  3.  2 likes

    STORM is a free and open source tool for testing web services.

    It is written mostly in F#. (I love this language!)

    STORM allows you to

    1. Test web services written using any technology (.NET , Java, etc.)
    2. Dynamically invoke web service methods even those that have input par.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Windows
    Good alternative?
     
    • Send/Cancel/Rerun HTTP request in editor and view response in a separate pane with syntax highlight

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
    • Visual Studio Code
    Good alternative?
     
  4. Kreya icon
     3 likes

    Kreya is a GUI client for gRPC, REST and WebSocket APIs with innovative features for environments, authorizations and more.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  5.  2 likes

    The modern API client that lives in your terminal.

    Cost / License

    Application type

    Platforms

    • Python
    • BSD
    • Linux
    • Mac
    • Windows
    Good alternative?
     
  6. This is a tool to manually explore and test HTTP REST webservices. Runs queries from a plain-text query sheet, displays results as a pretty-printed XML, JSON and even images.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • GNU Emacs
    Good alternative?
     
  7. API Tester icon
     6 likes

    API Tester is the first mobile app to test any type of API on the go. Test REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, and HTTPS APIs completely for free, on iOS or Android.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    Good alternative?
     
  8. Used httpyac CLI tool underneath, which helps you execute _.http and _.rest files. This can be used to quickly execute a single *.http file, but also to execute all files in a folder. httpyac supports HTTP, Rest, GraphQL, WebSocket und gRPC...

    52 httpYac Rest Client alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
    Good alternative?
     
  9. Lama2 icon
     2 likes

    Lama2 defines the human-friendly l2 syntax and CLI for describing and executing APIs. Store your APIs in plain-text files. Collaborate with team using version control (say, git). Run Lama2 directly from VSCode extension. Think of Lama2 as Markdown for APIs.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
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