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, Linux, Windows, Web-based and Flathub apps. The best API Tester alternative is Postman, which is free. Other great apps like API Tester are Insomnia REST Client, Yaak, Fiddler and HTTP Toolkit.

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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 Tester.

    • Postman is the most popular free alternative to API Tester.

    • Postman is Freemium and ProprietaryAPI Tester 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 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
  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. Ad
    Screenshot
    NativeRest icon
    NativeRest

    Native desktop app for Windows offers high-performance REST and HTTP API testing, low memory and CPU use, custom methods, portable version, proxy support, multiple environments, code generation, multilingual interface, and import...

    https://nativesoft.com
    Learn More
  6. Fiddler icon

    Fiddler

     206 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.

    48 Fiddler alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Windows
    Fiddler screenshot 1
     
  7. HTTP Toolkit icon

    HTTP Toolkit

     78 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.

    50 HTTP Toolkit alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application types

    Platforms

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

    • 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
  8. Hoppscotch icon

    Hoppscotch

     41 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.

    67 Hoppscotch alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Online
    • Self-Hosted
    Hoppscotch screenshot 1
     

    • 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
  10. 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...

    35 HTTPie for Terminal alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Python
    • FreeBSD
    HTTPie for Terminal screenshot 1
     
  11. 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.

    57 RapidAPI for Mac alternatives

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application types

    Platforms

    • Mac
    RapidAPI for Mac screenshot 1
     
  12. 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
     
  13. 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
     
  14. Proxyman icon

    Proxyman

     14 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.

    53 Proxyman alternatives

    Cost / License

    • Pay once
    • Proprietary

    Application types

    Platforms

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

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

    • Proxyman is Paid and ProprietaryAPI Tester is Free and Proprietary
  15. 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
     
12 of 53 API Tester alternatives