API Tester AlternativesAPI & HTTP Clients like API Tester

API Tester is described as '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' and is a API Client in the development category. There are more than 50 alternatives to API Tester for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best API Tester alternative is Insomnia REST Client, which is both free and Open Source. Other great apps like API Tester are Postman, Fiddler, Yaak and Hoppscotch.

API Tester iconAPI Tester
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API Tester is the first mobile app to test any type of API on the go. Test REST, GraphQL, WebSocket, SOAP, JSON RPC, XML,...

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API Tester alternatives page was last updated Sep 14, 2024
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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.

    78 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.  REST Client
    5.  GraphQL
    6.  Cloud Sync
    7.  Support environment variables
    8.  API Management
    9.  Separated workspaces

    Insomnia REST Client VS API Tester

     

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

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

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

    Postman

     172 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 Tester

     

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

    • Postman is Freemium and ProprietaryAPI Tester is Free and Proprietary
  4. Fiddler icon

    Fiddler

     203 likes
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    Web Debugging Proxy that logs all HTTP(S) traffic for comprehensive analysis. It allows manipulation of traffic, supports scripting, and extends with .NET. Debugs virtually any application, implementing man-in-the-middle interception with self-signed certificates. Freeware, ideal for developers.

    47 Fiddler alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    Fiddler screenshot 1

    Fiddler Features

    1.  HTTP Monitoring
    2.  Debugging
    3.  HTTP Proxy
    4.  Traffic Monitoring
    5.  One click installation

    Fiddler VS API Tester

     
  5. Yaak icon

    Yaak

     13 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 Tester

     
  6. Hoppscotch icon

    Hoppscotch

     39 likes
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    Hoppscotch is an open-source API development ecosystem. It helps you create your requests faster, saving you precious time on your development.

    65 Hoppscotch alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • Self-Hosted
    Hoppscotch screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  REST API
    2.  Ad-free
    3.  GraphQL API
    4.  Websocket streams
    5.  Command line interface
    6.  Portable
    7.  Browser-based
    8.  Cross browser testing

    Hoppscotch VS API Tester

     

    • Hoppscotch is the most popular Self-Hosted alternative to API Tester.

    • Hoppscotch is Free and Open SourceAPI Tester is Free and Proprietary
    • Hoppscotch is LightweightAPI Tester is not according to our users
  7. HTTPie for Terminal icon

    HTTPie for Terminal

     57 likes
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    HTTPie (pronounced aitch-tee-tee-pie) is a command line HTTP client. Its goal is to make CLI interaction with web services as human-friendly as possible. It provides a simple http command that allows for sending arbitrary HTTP requests using a simple and natural syntax, and...

    34 HTTPie for Terminal alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Python
    • FreeBSD
    HTTPie for Terminal screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Command line interface
    2.  REST API
    3.  Web Testing
    4.  API Management

    HTTPie for Terminal VS API Tester

     
  9. HTTP Toolkit icon

    HTTP Toolkit

     46 likes
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    HTTP Toolkit is a beautiful, cross-platform & open-source HTTP(S) debugging proxy, analyzer & client, with built-in support for modern tools and automatic interception for clients from Docker to Android to iOS.

    48 HTTP Toolkit alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • ES flagSpain
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Docker
    HTTP Toolkit screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  HTTP(S) Debugging
    2.  One click interception
    3.  Debugging
    4.  HTTP mocking
    5.  Ad-free
    6.  Requests monitoring
    7.  Penetration Testing
    8.  Performance analysis
    9.  Built in docs
    10.  HTTPS Support
    11.  OpenAPI integration
    12.  No registration required

    HTTP Toolkit VS API Tester

     

    • HTTP Toolkit is the most popular Android & iPhone alternative to API Tester.

    • HTTP Toolkit is Freemium and Open SourceAPI Tester is Free and Proprietary
    • HTTP Toolkit is LightweightAPI Tester is not according to our users
  10. RapidAPI for Mac icon

    RapidAPI for Mac

     60 likes
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    RapidAPI for Mac (formerly Paw) is a full-featured HTTP client that lets you test and describe the APIs you build or consume. It has a beautiful native macOS interface to compose requests, inspect server responses, generate client code and export API definitions.

    56 RapidAPI for Mac alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    RapidAPI for Mac screenshot 1

    RapidAPI for Mac Features

    1.  Html parsing
    2.  Request Chaining

    RapidAPI for Mac VS API Tester

     
  11. 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 Tester

     
  12. Proxyman icon

    Proxyman

     13 likes
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    Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains. Available on macOS, iOS, Windows & Linux.

    51 Proxyman alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • iPhone
    Native macOS app.

    Proxyman Features

    1.  Website Monitoring
    2.  Dark Mode
    3.  Ad-free
    4.  No registration required
    5.  Detailed packet analysis
    6.  Intercepting HTTP calls
    7.  IPhone debugging
    8.  Debugging
    9.  SSL
    10.  Native application

    Proxyman VS API Tester

     

    • Proxyman is the most popular commercial alternative to API Tester.

    • Proxyman is Paid and ProprietaryAPI Tester is Free and Proprietary
  13. 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.

    77 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 Tester

     
  14. 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.

    69 Advanced REST Client alternatives

    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 Tester

     
12 of 51 API Tester alternatives