Free Postman Alternatives

The best free 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 is free so hopefully you can find a suitable replacement. Other interesting free 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.

More about Postman
More about Postman
Postman alternatives page was last updated Mar 19, 2024
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  1. CurlHub.io icon
    CurlHub.io icon

    CurlHub.io

     1 like
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    API Traffic Inspector.

    24 CurlHub.io alternatives
    CurlHub.io screenshot 1

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Software as a Service (SaaS)

    CurlHub.io Features

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

    CurlHub.io VS Postman

    Is CurlHub.io a good alternative to Postman?
     
  2. SyncTree icon
    SyncTree icon

    SyncTree

     1 like
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    SyncTree strives to be a "Super Connecting Platform" that can easily connect any services you want.

    9 SyncTree alternatives
    SyncTree STUDIO, a solution for building backend business logic with block coding

    License model

    • Freemium • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    • Windows
    Block Store, a platform for buying and selling pre-made backend function blocks like App Store

    SyncTree Features

    1.  No Coding Required
    2.  Access Control
    3.  Orchestration
    4.  Dashboard
    5.  Backend
    6.  API Management
    SyncTree iconPostman Icon

    SyncTree VS Postman

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

    It's a no-code solution, not a postman alternative.

    Negative comment •Feb 1, 2023
    0
    Postman Icon
    SyncTree icon
    • SyncTree is Freemium and ProprietaryPostman is also Freemium and Proprietary
  4. httpiness icon
    httpiness icon

    httpiness

     1 like
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    Httpiness is aimed to be a simple, straightforward HTTP client which minimizes time to configure, send, reconfigure and resend requests in order to maximize development efficiency.

    54 httpiness alternatives
    httpiness screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows

    Properties

    1.  Lightweight

    Features

    1.  REST Client
    2.  REST API
    3.  API Management
    httpiness screenshot 1
    httpiness iconPostman Icon

    httpiness VS Postman

    Is httpiness a good alternative to Postman?
     
  5. Api Quest icon
    Api Quest icon

    Api Quest

     1 like
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    Api Quest is a desktop application designed for executing HTTP requests, storing them on the local file system, and providing portability. Whether you're a developer, QA or system engineer, this tool offers solution for handling HTTP requests effectively.

    11 Api Quest alternatives
    Api Quest UI

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Windows
    • Linux

    Api Quest Features

    1.  No Tracking
    2.  Works Offline
    3.  No registration required
    4.  Dark Mode
    5.  Ad-free
    6.  Portable
    Api Quest iconPostman Icon

    Api Quest VS Postman

    Is Api Quest a good alternative to Postman?
     
  6. Resting icon
    Resting icon

    Resting

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    browser web-extension to test and analyze HTTP requests.

    23 Resting alternatives
    An HTTP request

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Chromium
    • Firefox

    Resting Features

    1.  REST Client
    Possibility to define contexts and variables
    A response example
    Resting iconPostman Icon

    Resting VS Postman

    Is Resting a good alternative to Postman?
     
  7. APITree icon
    APITree icon

    APITree

     1 like
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    APITree is a free cloud-based API tool to create, manage and share OpenAPI specifications. It converts your OpenApi v2 / v3 specification into a beautiful technical API documentation. Public API documentation is hosted for free.

    14 APITree alternatives

    License model

    • Freemium • Proprietary

    Platforms

    • Software as a Service (SaaS)

    APITree Features

    1.  CI Integration
    2.  OpenAPI integration
    3.  API Management
    4.  REST API
    APITree iconPostman Icon

    APITree VS Postman

    Is APITree a good alternative to Postman?
     
  9. Nokori icon
    Nokori icon

    Nokori

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    Nokori is the all-in-one platform for building, hosting, and growing your SaaS business. From Instant Microservices, Auth-as-a-Service, and Transactional Email, we give tech brands the tools they need to bring ideas to life quickly and easily, while providing seamless...

    29 Nokori alternatives
    Test API integrations before deploying them as instant cloud functions/microservices

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Online

    Nokori Features

    1.  API Integration
    2.  Serverless
    3.  API Management
    Build instant SQL APIs over existing databases without the need for a backend server.
    Manage users and user activity from a centralized portal.
    +1
    Send transactional email to facilitate verification, password reset, and user notifications.
    Nokori iconPostman Icon

    Nokori VS Postman

    Is Nokori a good alternative to Postman?
     
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