Postman AlternativesOnly Free apps categorised as API Clients - Page 6

The best free API Client alternative to Postman is Insomnia REST Client, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Postman and loads of them are free API Clients so hopefully you can find a suitable replacement. Other interesting free API Client alternatives to Postman are HTTPie for Terminal, Hoppscotch, RapidAPI for Mac and soapUI.

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Postman alternatives are mainly API Clients but may also be HTTP Clients or HTTP(S) Debuggers.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Postman.
Postman iconPostman
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Postman is a tool that facilitates the development and use of APIs. Postman provides all the functionality needed to create or simulate API specifications and use the Postman Collection Runner to create tests.

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Postman alternatives page was last updated Jun 17, 2023
  1. Apiman icon
     4 likes

    apiman is an open source API management layer that streamlines repetitive tasks often required when providing an API, such as implementing security, throttling and billing.

    27 Apiman alternatives

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted

    Apiman Features

    1.  API Management
    Apiman iconPostman Icon

    Apiman VS Postman

    Is Apiman a good alternative to Postman?
     
  2. Yaade icon
     Like this app

    Yaade is the only open-source, fully self-hosted, collaborative API development environment.

    13 Yaade alternatives
    Yaade screenshot 1

    License model

    • FreeOpen Source

    Application types

    Platforms

    • Online
    • Self-Hosted

    Properties

    1.  Lightweight

    Features

    1.  Portable
    2. Docker icon  Support for Docker
    Yaade iconPostman Icon

    Yaade VS Postman

    Is Yaade a good alternative to Postman?
     
    Comments about Yaade as an Alternative to Postman
     
    Guest

    This is currently the only true open source and self hosted API client available.

    Positive commentFeb 2, 2023
    0
    Postman Icon
    Yaade icon
    • Yaade is Free and Open SourcePostman is Freemium and Proprietary
    • Yaade is LightweightPostman is not according to our users
  3. TestMace icon
     5 likes

    Powerful IDE to work with API. Harness the power of scenarios, autocompletion and syntax highlight for API development. Write tests, share code without leaving the comfortable development environment.

    46 TestMace alternatives
    TestMace screenshot 1

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux

    TestMace Features

    1.  Syntax Highlighting
    2.  Advanced variables mechanism
    3.  Variables
    4.  REST API
    5.  Support environment variables
    6.  Graphical User Interface
    7.  Import Curl commands
    8.  Electron based
    9.  API Testing
    TestMace iconPostman Icon

    TestMace VS Postman

    Is TestMace a good alternative to Postman?
     
  4. RestCase icon
     1 like

    RestCase is a security-focused API development platform that enables its users to rapidly create secure microservices, mock them in order to start testing, monitor APIs and collaborate on their development and testing.

    33 RestCase alternatives
    RestCase screenshot 1

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Online

    RestCase Features

    1.  API Testing
    2.  REST API
    RestCase iconPostman Icon

    RestCase VS Postman

    Is RestCase a good alternative to Postman?
     
  5. Apidog icon
     3 likes

    Design and debug APIs in a powerful visual editor. Describe and debug easily with JSON Schema support. Apidog is a complete set of tools that connects the entire API lifecycle, helping R&D teams implement best practices for API Design-first development.

    41 Apidog alternatives
    Apidog screenshot 1

    License model

    • FreemiumProprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    Apidog iconPostman Icon

    Apidog VS Postman

    Is Apidog a good alternative to Postman?
     
  6. Conektto icon
     1 like

    Conektto's API lifecycle fabric is the world's first SAAS based visual designer for API that generates spec, mocks, visualization, code, test and test data automatically.

    24 Conektto alternatives
    Conektto screenshot 1

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Software as a Service (SaaS)

    Conektto Features

    1.  API Testing
    2.  REST API
    Conektto iconPostman Icon

    Conektto VS Postman

    Is Conektto a good alternative to Postman?
     
    Comments about Conektto as an Alternative to Postman
     
    coolmechslim

    This is postman on UX steroids

    Positive commentJun 7, 2022
    0
    Postman Icon
    Conektto icon
    • Conektto is Freemium and ProprietaryPostman is also Freemium and Proprietary
  7. CurlHub.io icon
     1 like

    API Traffic Inspector.

    24 CurlHub.io alternatives
    CurlHub.io screenshot 1

    License model

    • FreemiumProprietary

    Platforms

    • Software as a Service (SaaS)

    CurlHub.io Features

    1.  API Management
    2.  Traffic Analysis
    3.  Debugging
    4.  Traffic Monitoring
    CurlHub.io iconPostman Icon

    CurlHub.io VS Postman

    Is CurlHub.io a good alternative to Postman?
     
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