A brief Introduction of Postman tool

Posted By :Krishna Ram Tripathi |31st January 2023

What is the Postman tool?

An API platform for creating and utilizing APIs is called Postman. Postman enhances cooperation and streamlines each phase of the API lifecycle to assist you in designing better APIs more quickly.


API repository


On a single platform, you can conveniently save, organize, and collaborate on all of your API artifacts. Everything connected to APIs, including API specifications, documentation, workflow recipes, test cases and results, metrics, and more, may be stored and managed by Postman.




From design, testing, documentation, and mocking to sharing and discoverability of your APIs, the Postman platform comes with a full suite of tools that assist speed up the API lifecycle.


API client


The core feature of Postman is the API client, which lets you define complicated API requests for HTTP, REST, SOAP, GraphQL, and WebSockets as well as easily browses, debug, test, and explore your APIs.


The language of the response, links, and formatted content inside the body are all automatically detected by the API client to make inspection simple. OAuth 1.2/2.0, AWS Signature, Hawk, and many other authentication protocols are supported natively by the client as well.


You may group requests for reuse into Postman Collections using the API client, saving you time by not having to create everything from scratch. You can utilize scripting and your collections to include JavaScript code that connects requests or automates common workflows.


API design


You can use OpenAPI, RAML, GraphQL, or SOAP formats to create your API specifications in Postman. The schema editor in Postman makes it simple to work with specification files of any size and includes a built-in linting engine to validate specs. Additionally, you may construct Postman Collections from the specification file for various phases of your API lifecycle, including mocks, documentation, tests, monitoring, and more.


API Documentation


With Postman's automatic documentation features, you can integrate documentation into your API process. Through the Postman Collection format, Postman provides markdown-enabled and machine-readable documentation. You may also use your OpenAPI files to generate documentation. Your documentation will immediately contain information about your requests and sample code in different client languages. Through workspaces, you may share the documents with your group or the entire globe, or you can publish them on a special site.


API testing


Create and execute tests directly in Postman or using Newman as part of your CI/CD pipeline (a Collection Runner that enables you to run and test a Postman Collection directly from the command line). Functional tests, integration tests, regression tests, and other types of tests can all be written using Postman. You may quickly create tests using Postman's Node. js-based runtime, which supports support for popular patterns and frameworks.


Mock servers


Even before your API is put into use, you may see exactly how it will function using mock servers. When you can't or don't want to send API queries to a real API, use mock servers in Postman to act as API endpoints. By adding arbitrary delays to your fake server's answers, you may also simulate network slowness.


Since mock servers are housed in Postman's cloud, they are accessible anywhere you need them, even in your local, testing, or staging environments.

About Author

Krishna Ram Tripathi

Krishna Ram Tripathi is a QA professional with good understanding of the latest technologies and hands-on experience in various testing methodologies like Manual Testing, Non-Functional Testing, including Database Testing, API Testing, Load Testing, CBT (Lambda Test), and Performance Testing (JMeter). He also has a thorough understanding of databases like SQL, MongoDB, and more, enabling him to conduct effective testing and ensure optimal application performance. He has contributed to the success of various client projects, including Konfer Vis360, Jabburr, Transleqo Language Translation, and Text and Shape recognition, by delivering high-quality work and leveraging his knowledge of the latest technologies. His critical analytical skills enable him to analyze complex systems effectively, identify potential issues and solutions, and contribute to the successful delivery of client projects.

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