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

OpenAPI

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Postman

78.2K
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Postman vs OpenAPI: What are the differences?

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

What is OpenAPI? Allows the owner of a network-accessible service to give universal access. It is a publicly available application programming interface that provides developers with programmatic access to a proprietary software application or web service.

Postman and OpenAPI belong to "API Tools" category of the tech stack.

OpenAPI is an open source tool with 15.4K GitHub stars and 5.46K GitHub forks. Here's a link to OpenAPI's open source repository on GitHub.

According to the StackShare community, Postman has a broader approval, being mentioned in 2497 company stacks & 12250 developers stacks; compared to OpenAPI, which is listed in 3 company stacks and 4 developer stacks.

Advice on OpenAPI and Postman
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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 README.md 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 ucreate.it | 8 upvotes 路 275.3K 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
Recommends
PostmanPostman

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 OpenAPI and Postman
Stephen Fox
Artificial Intelligence Fellow | 1 upvote 路 245.7K 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 OpenAPI
Pros of Postman
    Be the first to leave a pro
    • 487
      Easy to use
    • 369
      Great tool
    • 274
      Makes developing rest api's easy peasy
    • 155
      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
      Collections
    • 7
      Option to run scrips
    • 7
      Global/Environment Variables
    • 6
      Dead simple and useful. Excellent
    • 6
      Shareable Collections
    • 6
      Dark theme easy on the eyes
    • 5
      Awesome customer support
    • 5
      Great integration with newman
    • 4
      Simple
    • 4
      The test script is useful
    • 4
      Documentation
    • 3
      Easy as pie
    • 3
      Saves responses
    • 3
      Makes testing API's as easy as 1,2,3
    • 3
      This has simplified my testing significantly
    • 2
      API-network
    • 2
      I'd recommend it to everyone who works with apis
    • 2
      Mocking API calls with predefined response
    • 1
      Easy to setup, test and provides test storage
    • 1
      Graph
    • 1
      Postman Runner CI Integration
    • 1
      Now supports GraphQL
    • 1
      Continuous integration using newman
    • 1
      Pre-request Script and Test attributes are invaluable
    • 0
      <a href="http://fixbit.com/">useful tool</a>
    • 0
      Runner

    Sign up to add or upvote prosMake informed product decisions

    Cons of OpenAPI
    Cons of Postman
      Be the first to leave a con
      • 9
        Stores credentials in HTTP
      • 8
        Cumbersome to switch authentication tokens
      • 8
        Bloated features and UI
      • 7
        Poor GraphQL support
      • 4
        Expensive
      • 3
        Can't prompt for per-request variables
      • 2
        Not free after 5 users
      • 1
        Import curl
      • 1
        Support websocket
      • 1
        Import swagger

      Sign up to add or upvote consMake informed product decisions

      - No public GitHub repository available -

      What is OpenAPI?

      It is a publicly available application programming interface that provides developers with programmatic access to a proprietary software application or web service.

      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 OpenAPI?
      What companies use Postman?
      See which teams inside your own company are using OpenAPI or Postman.
      Sign up for StackShare EnterpriseLearn More

      Sign up to get full access to all the companiesMake informed product decisions

      What tools integrate with OpenAPI?
      What tools integrate with Postman?

      Sign up to get full access to all the tool integrationsMake informed product decisions

      Blog Posts

      What are some alternatives to OpenAPI and Postman?
      JsonAPI
      t is a format that works with HTTP. A main goal of the specification is to optimize HTTP requests both in terms of the number of requests and the size of data packages exchanged between clients and servers.
      GraphQL
      GraphQL is a data query language and runtime designed and used at Facebook to request and deliver data to mobile and web apps since 2012.
      OData
      It is an ISO/IEC approved, OASIS standard that defines a set of best practices for building and consuming RESTful APIs. It helps you focus on your business logic while building RESTful APIs without having to worry about the various approaches to define request and response headers, status codes, HTTP methods, URL conventions, media types, payload formats, query options, etc.
      RAML
      RESTful API Modeling Language (RAML) makes it easy to manage the whole API lifecycle from design to sharing. It's concise - you only write what you need to define - and reusable. It is machine readable API design that is actually human friendly.
      gRPC
      gRPC is a modern open source high performance RPC framework that can run in any environment. It can efficiently connect services in and across data centers with pluggable support for load balancing, tracing, health checking...
      See all alternatives