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Devise vs Postman: What are the differences?

What is Devise? Flexible authentication solution for Rails with Warden. Devise is a flexible authentication solution for Rails based on Warden.

What is 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.

Devise can be classified as a tool in the "User Management and Authentication" category, while Postman is grouped under "API Tools".

Some of the features offered by Devise are:

  • Is Rack based
  • Is a complete MVC solution based on Rails engines
  • Allows you to have multiple models signed in at the same time

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

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

"Reliable" is the primary reason why developers consider Devise over the competitors, whereas "Easy to use" was stated as the key factor in picking Postman.

Devise is an open source tool with 19.9K GitHub stars and 4.74K GitHub forks. Here's a link to Devise's open source repository on GitHub.

PedidosYa, Movielala, and Webedia are some of the popular companies that use Postman, whereas Devise is used by StackShare, Movielala, and DeveloperTown. Postman has a broader approval, being mentioned in 1725 company stacks & 2166 developers stacks; compared to Devise, which is listed in 56 company stacks and 30 developer stacks.

Advice on Devise and Postman
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Swagger 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 · 171.1K 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 Devise and Postman
Stephen Fox
Artificial Intelligence Fellow · | 1 upvote · 153.2K 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 Devise
Pros of Postman
  • 33
  • 17
    Open Source
  • 4
    Support for neo4j database
  • 2
  • 486
    Easy to use
  • 369
    Great tool
  • 275
    Makes developing rest api's easy peasy
  • 156
    Easy setup, looks good
  • 143
    The best api workflow out there
  • 53
    It's the best
  • 53
    History feature
  • 44
    Adds real value to my workflow
  • 42
    Great interface that magically predicts your needs
  • 34
    The best in class app
  • 11
    Can save and share script
  • 9
    Fully featured without looking cluttered
  • 7
  • 7
    Global/Environment Variables
  • 7
    Option to run scrips
  • 6
    Shareable Collections
  • 6
    Dead simple and useful. Excellent
  • 6
    Dark theme easy on the eyes
  • 5
    Awesome customer support
  • 5
    Great integration with newman
  • 4
    The test script is useful
  • 3
    Makes testing API's as easy as 1,2,3
  • 3
    Easy as pie
  • 3
    Saves responses
  • 3
    This has simplified my testing significantly
  • 3
  • 3
  • 2
    Mocking API calls with predefined response
  • 2
    I'd recommend it to everyone who works with apis
  • 2
  • 1
    Easy to setup, test and provides test storage
  • 1
    Continuous integration using newman
  • 1
  • 1
    Pre-request Script and Test attributes are invaluable
  • 1
    Postman Runner CI Integration
  • 1
    Now supports GraphQL
  • 0
    <a href="">useful tool</a>
  • 0

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Cons of Devise
Cons of Postman
    Be the first to leave a con
    • 9
      Stores credentials in HTTP
    • 7
      Poor GraphQL support
    • 7
      Bloated features and UI
    • 6
      Cumbersome to switch authentication tokens
    • 2
    • 1
      Support websocket
    • 1
      Import curl
    • 1
      Import swagger
    • 1
      Can't prompt for per-request variables

    Sign up to add or upvote consMake informed product decisions

    - No public GitHub repository available -

    What is Devise?

    Devise is a flexible authentication solution for Rails based on Warden

    What is Postman?

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

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

    What companies use Devise?
    What companies use Postman?
    See which teams inside your own company are using Devise or Postman.
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    Sign up to get full access to all the companiesMake informed product decisions

    What tools integrate with Devise?
    What tools integrate with Postman?

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    What are some alternatives to Devise and Postman?
    Active Admin
    Active Admin is a Ruby on Rails framework for creating elegant backends for website administration.
    OmniAuth is a Ruby authentication framework aimed to abstract away the difficulties of working with various types of authentication providers. It is meant to be hooked up to just about any system, from social networks to enterprise systems to simple username and password authentication.
    A set of unified APIs and tools that instantly enables Single Sign On and user management to all your applications.
    Amazon Cognito
    You can create unique identities for your users through a number of public login providers (Amazon, Facebook, and Google) and also support unauthenticated guests. You can save app data locally on users’ devices allowing your applications to work even when the devices are offline.
    It is an authorization framework that enables a third-party application to obtain limited access to an HTTP service, either on behalf of a resource owner by orchestrating an approval interaction between the resource owner and the HTTP service, or by allowing the third-party application to obtain access on its own behalf.
    See all alternatives