Postman AlternativesOnly Free apps categorised as API Clients - Page 4

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 Jul 11, 2024
  1. Pororoca icon
     2 likes

    A HTTP inspection tool with support for HTTP/2 and HTTP/3. Alternative to Postman.

    22 Pororoca alternatives
    Example HTTP request and response

    License model

    • FreeOpen Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux

    Properties

    1.  Lightweight

    Features

    1.  Portable
    2.  Ad-free
    3.  HTTP Testing
    4.  SSL client certificates
    5.  API Testing
    6.  API Management
    7.  GraphQL
    8.  API Integration
    Pororoca iconPostman Icon

    Pororoca VS Postman

    Is Pororoca a good alternative to Postman?
     
  2.  2 likes

    The modern API client that lives in your terminal.

    61 Posting alternatives
    Posting screenshot 1

    License model

    • FreeOpen Source

    Application types

    Platforms

    • Python
    • BSD
    • Linux
    • Mac
    • Windows

    Posting Features

    1.  Command line interface
    2.  REST Client
    3.  SSH
    4.  Python-based
    5.  REST API
    Postman Icon

    Posting VS Postman

    Is Posting a good alternative to Postman?
     
  3.  2 likes

    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.

    52 restclient.el alternatives
    restclient.el screenshot 1

    License model

    • FreeOpen Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • GNU Emacs

    restclient.el Features

    1.  REST API
    2.  REST Client
    3.  Variables
    4.  Web Testing
    5.  API Testing
    Postman Icon

    restclient.el VS Postman

    Is restclient.el a good alternative to Postman?
     
  4. HTTPie for Web & Desktop icon
     2 likes

    All the user-friendliness of our Terminal version, now wrapped up in a sleek graphical interface.

    33 HTTPie for Web & Desktop alternatives
    GraphQL support

    License model

    • FreeProprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Electron / Atom Shell
    • Flathub

    HTTPie for Web & Desktop Features

    1.  Graphical User Interface
    2.  REST API
    3.  GraphQL
    4.  Import Curl commands
    HTTPie for Web & Desktop iconPostman Icon

    HTTPie for Web & Desktop VS Postman

    Is this a good alternative to Postman?
     
  5. API Tester icon
     5 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.

    49 API Tester alternatives
    Test any type of API
    Construct complex requests
    +3
    Import collections

    License model

    • FreeProprietary

    Application types

    Platforms

    • Mac
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad

    API Tester Features

    1.  REST API
    2.  API Testing
    3.  Websocket testing
    4.  GraphQL API
    5.  Command line interface
    6.  API Management
    API Tester iconPostman Icon

    API Tester VS Postman

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

    Good just for mobile until the postman make the android version

    Positive commentJan 20, 2024
    0
    Postman Icon
    API Tester icon
    • API Tester is Free and ProprietaryPostman is Freemium and Proprietary
  6. Firecamp icon
     1 like

    Firecamp's GraphQL playground is all in one GraphQL debugging tool which let you debug, collaborate and document your GraphQL APIs within a team for all platform.

    7 Firecamp alternatives
    Firecamp screenshot 1

    License model

    • FreeOpen Source

    Application types

    Platforms

    • Online
    • Software as a Service (SaaS)
    • Self-Hosted

    Firecamp Features

    1.  Websocket testing
    2.  API Testing
    3.  GraphQL API
    4.  GraphQL
    Firecamp iconPostman Icon

    Firecamp VS Postman

    Is Firecamp a good alternative to Postman?
     
  7. Kreya icon
     1 like

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

    53 Kreya alternatives
    Kreya screenshot 1

    License model

    • FreemiumProprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux

    Properties

    1.  Lightweight

    Features

    1.  Ad-free
    2.  REST Client
    3.  Cross-Platform
    Kreya iconPostman Icon

    Kreya VS Postman

    Is Kreya a good alternative to Postman?
     
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