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Postman vs Reqres: What are the differences?

Postman: Only complete API development environment. Postman is the only complete API development environment, used by nearly five million developers and more than 100,000 companies worldwide; Reqres: Test your front-end against a real API. A hosted REST-API ready to respond to your AJAX requests.

Postman and Reqres can be categorized as "API" tools.

Some of the features offered by Postman are:

  • Compact layout
  • HTTP requests with file upload support
  • Formatted API responses for JSON and XML

On the other hand, Reqres provides the following key features:

  • Reqres does not store any of your data at all
  • Fake data
  • Real responses

Reqres is an open source tool with 944 GitHub stars and 117 GitHub forks. Here's a link to Reqres's open source repository on GitHub.

Advice on Postman and Reqres
Needs advice
Swagger UISwagger UI

From a StackShare Community member: "I just started working for a start-up and we are in desperate need of better documentation for our API. Currently our API docs is in a file. We are evaluating Postman and Swagger UI. Since there are many options and I was wondering what other StackSharers would recommend?"

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Replies (3)
Jagdeep Singh
Tech Lead at | 8 upvotes 路 338.5K views

I use Postman because of the ease of team-management, using workspaces and teams, runner, collections, environment variables, test-scripts (post execution), variable management (pre and post execution), folders (inside collections, for better management of APIs), newman, easy-ci-integration (and probably a few more things that I am not able to recall right now).

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Sadik Ay

I recommend Postman because it's easy to use with history option. Also, it has very great features like runner, collections, test scripts runners, defining environment variables and simple exporting and importing data.

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I use Swagger UI because it's an easy tool for end-consumers to visualize and test our APIs. It focuses on that ! And it's directly embedded and delivered with the APIs. Postman's built-in tools aren't bad, but their main focus isn't the documentation and also, they are hosted outside the project.

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Decisions about Postman and Reqres

OpenAPI is an excellent tool for creating interactive and hosted documents when releasing an API to the public. We will leverage this, specifically for the public facing APIs that customers can integrate into (to automate creating projects and storing experiment data). Postman is more complicated to share with others and is not as rich for documentation.

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Stephen Fox
Artificial Intelligence Fellow | 1 upvote 路 300.2K views

Postman supports automation and organization in a way that Insomnia just doesn't. Admittedly, Insomnia makes it slightly easy to query the data that you get back (in a very MongoDB-esque query language) but Postman sets you up to develop the code that you would use in development/testing right in the editor.

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Pros of Postman
Pros of Reqres
  • 489
    Easy to use
  • 369
    Great tool
  • 276
    Makes developing rest api's easy peasy
  • 156
    Easy setup, looks good
  • 144
    The best api workflow out there
  • 53
    History feature
  • 53
    It's the best
  • 44
    Adds real value to my workflow
  • 43
    Great interface that magically predicts your needs
  • 35
    The best in class app
  • 12
    Can save and share script
  • 10
    Fully featured without looking cluttered
  • 8
    Global/Environment Variables
  • 8
  • 8
    Option to run scrips
  • 7
    Shareable Collections
  • 7
    Dead simple and useful. Excellent
  • 7
    Dark theme easy on the eyes
  • 6
    Great integration with newman
  • 6
    Awesome customer support
  • 5
  • 5
    The test script is useful
  • 5
  • 4
    Saves responses
  • 4
    Easy as pie
  • 4
    Makes testing API's as easy as 1,2,3
  • 4
    This has simplified my testing significantly
  • 3
  • 3
    Mocking API calls with predefined response
  • 3
    I'd recommend it to everyone who works with apis
  • 2
  • 2
    Easy to setup, test and provides test storage
  • 2
    Postman Runner CI Integration
  • 2
  • 2
    Now supports GraphQL
  • 2
    Continuous integration using newman
  • 2
    Pre-request Script and Test attributes are invaluable
  • 1
    <a href="">useful tool</a>
  • 2
    Fake data
  • 2
    RESTful API
  • 1
    Open source
  • 1
  • 1
    Rapid prototyping of interfaces
  • 1
    Language agnostic
  • 1
    Hosted on Digital Ocean

Sign up to add or upvote prosMake informed product decisions

Cons of Postman
Cons of Reqres
  • 10
    Stores credentials in HTTP
  • 9
    Bloated features and UI
  • 8
    Cumbersome to switch authentication tokens
  • 7
    Poor GraphQL support
  • 5
  • 3
    Can't prompt for per-request variables
  • 3
    Not free after 5 users
  • 1
    Import swagger
  • 1
    Support websocket
  • 1
    Import curl
    Be the first to leave a con

    Sign up to add or upvote consMake informed product decisions

    What is Postman?

    It is the only complete API development environment, used by nearly five million developers and more than 100,000 companies worldwide.

    What is Reqres?

    A hosted REST-API ready to respond to your AJAX requests.

    Need advice about which tool to choose?Ask the StackShare community!

    What companies use Postman?
    What companies use Reqres?
      No companies found
      See which teams inside your own company are using Postman or Reqres.
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      Sign up to get full access to all the companiesMake informed product decisions

      What tools integrate with Postman?
      What tools integrate with Reqres?
        No integrations found

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        What are some alternatives to Postman and Reqres?
        Swagger UI
        Swagger UI is a dependency-free collection of HTML, Javascript, and CSS assets that dynamically generate beautiful documentation and sandbox from a Swagger-compliant API
        Insomnia REST Client
        Insomnia is a powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux.
        Paw is a full-featured and beautifully designed Mac app that makes interaction with REST services delightful. Either you are an API maker or consumer, Paw helps you build HTTP requests, inspect the server's response and even generate client code.
        API management, design, analytics, and security are at the heart of modern digital architecture. The Apigee intelligent API platform is a complete solution for moving business to the digital world.
        Used in command lines or scripts to transfer data. It is also used in cars, television sets, routers, printers, audio equipment, mobile phones, tablets, and is the internet transfer backbone for thousands of software applications affecting billions of humans daily.
        See all alternatives