API Test Base AlternativesHTTP & API Clients like API Test Base

API Test Base is described as 'API test automation tool that has GUI, supports HTTP stubs (mock services), data driven testing, and API types beyond HTTP, such as relational database, JMS, FTP(s), AMQP, MQTT, etc' 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 Insomnia REST Client, which is both free and Open Source. Other great apps like API Test Base are Postman, Yaak, RecipeUI and soapUI.

API Test Base iconAPI Test Base
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API test automation tool that has GUI, supports HTTP stubs (mock services), data driven testing, and API types beyond HTTP,...

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API Test Base alternatives page was last updated Feb 2, 2025
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  1. Insomnia REST Client icon

    Insomnia REST Client

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

    79 Insomnia REST Client alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

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

    Properties

    1.  Lightweight

    Features

    1.  Request Chaining
    2.  Import Curl commands
    3.  REST API
    4.  GraphQL
    5.  REST Client
    6.  Cloud Sync
    7.  Support environment variables
    8.  API Management
    9.  Separated workspaces

    Insomnia REST Client VS API Test Base

     

    • Insomnia REST Client is the most popular Windows, Mac & Linux alternative to API Test Base.

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

    • Insomnia REST Client is Freemium and Open SourceAPI Test Base is Free and Proprietary
    • Insomnia REST Client is LightweightAPI Test Base is not according to our users
  2. Postman icon

    Postman

     173 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.

    85 Postman alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

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

    Postman Features

    1.  REST API
    2.  Development API
    3.  Graphical User Interface
    4.  API Management
    5.  SOAP API

    Postman VS API Test Base

     

    • Postman is the most popular Web-based alternative to API Test Base.

    • Postman is Freemium and ProprietaryAPI Test Base is Free and Proprietary
  4. Yaak icon

    Yaak

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

    62 Yaak alternatives

    License model

    • Free Personal • Open Source

    Application types

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    Clean an minimal interface

    Properties

    1.  Lightweight
    2.  Privacy focused
    3.  Support for Themes

    Features

    1.  Autocompletion
    2.  Ad-free
    3.  Dark Mode
    4.  GraphQL API
    5.  Works Offline
    6.  No registration required
    7.  Syntax Highlighting
    8.  Portable
    9.  Variables
    10.  GraphQL
    11.  REST API
    12.  Support environment variables

    Yaak VS API Test Base

     
  5. 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!

    License model

    • Free • Open Source

    Application type

    Platforms

    • Linux
    • Mac
    • Windows
    RecipeUI screenshot 1
    Discontinued

    The GitHub repository has been archived in February 2024.

    RecipeUI Features

    1.  REST API
    2.  Development API
    3.  API Management

    RecipeUI VS API Test Base

     
  6. soapUI icon

    soapUI

     57 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.

    78 soapUI alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    soapUI screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Portable
    2.  Ad-free
    3.  Command line interface
    4.  Intuitive Nodes

    soapUI VS API Test Base

     
  7. Advanced REST Client icon

    Advanced REST Client

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

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • PL flagPoland
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
    • AppImageHub
    • Google Chrome
    • Chromium
    Advanced REST Client screenshot 1
    Discontinued

    The latest version (17.0.9) is from March 2022.

    Advanced REST Client Features

    1.  Full headers control
    2.  Electron based
    3.  Web tool
    4.  REST API
    5.  Sync with Google Drive
    6.  REST Client
    7.  API Testing

    Advanced REST Client VS API Test Base

     
  9. Kusho icon

    Kusho

     2 likes
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    Never test your APIs manually again.

    License model

    • Free • Proprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Visual Studio Code
    • Mac
    • Windows
    • Linux
    Kusho screenshot 1

    Kusho Features

    1.  VSCode
    2.  API Testing

    Kusho VS API Test Base

     
  10. 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.

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    Apache JMeter screenshot 1

    Apache JMeter Features

    1.  Stress Testing
    2.  Load testing
    3.  MongoDB
    4.  Reporting

    Apache JMeter VS API Test Base

     
  11. 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.

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Linux
    Chapar screenshot 1

    Properties

    1.  Privacy focused
    2.  Security-focused

    Features

    1.  No Tracking
    2.  Ad-free
    3.  No registration required
    4.  Dark Mode
    5.  Local Storage
    6.  REST API
    7.  HTTP Testing
    8.  API Testing

    Chapar VS API Test Base

     
  12. ArdorQuery icon

    ArdorQuery

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

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Linux
    • Flathub
    ArdorQuery screenshot 1

    ArdorQuery Features

    1.  REST API
    2.  QA Automation

    ArdorQuery VS API Test Base

     
  13. gRPC icon

    gRPC

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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.

    53 gRPC alternatives

    License model

    • Free • Open Source

    Country of Origin

    • US flagUnited States

    Platforms

    • Self-Hosted
    gRPC screenshot 1

    gRPC Features

    1.  RPC

    gRPC VS API Test Base

     

    • 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. Treblle icon

    Treblle

     2 likes
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    Treblle is a federated API Intelligence platform delivering full API visibility, security, and control from one integration point.

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • HR flagCroatia
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
    Treblle screenshot 1

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Real time collaboration
    2.  Ad-free
    3.  Website Monitoring
    4.  Dark Mode
    5.  API Management
    6.  Application & API Monitoring
    7.  Logging
    8.  Requests monitoring
    9.  Performance Monitoring
    10.  REST API

    Treblle VS API Test Base

     

    • Treblle is the most popular Android, iPhone, iPad, SaaS & Android Tablet alternative to API Test Base.

    • Treblle is Freemium and ProprietaryAPI Test Base is Free and Proprietary
    • Treblle is Lightweight and Privacy focusedAPI Test Base is not according to our users
12 of 37 API Test Base alternatives