Postman

XMLSpy

XMLSpy is a commercial XML editor and integrated development environment from Altova used for editing, validating, transforming, and debugging XML, XSD, XSLT,…

Insomnia

Insomnia is an open-source API client for designing, testing, and debugging REST, GraphQL, and gRPC APIs through a visual desktop application.

JSON Server

JSON Server is a zero-configuration tool that spins up a full REST API from a single JSON file, making it a fast way to mock a backend during frontend prototyp…

Altair GraphQL Client

Altair GraphQL Client is a feature-rich, cross-platform GraphQL IDE that lets developers build, send, and inspect GraphQL queries and mutations against an API…

OpenAPI

OpenAPI is a language-agnostic specification for describing REST APIs in a machine-readable format, covering endpoints, request/response schemas, authenticatio…

Postman

Postman is a popular API development and testing platform that lets developers design, document, test, and debug HTTP APIs through a graphical interface and co…

Apidog

Apidog is an API development platform that combines API design, documentation, mock servers, and automated testing into a single workflow, aimed at streamlinin…

Collections Basics

Learn how Postman Collections group related API requests into a single organized, shareable, and runnable unit.

Designing APIs with Postman (OpenAPI Import)

Using Postman's API Builder to design an API from an OpenAPI specification, generate mock servers, and keep implementation in sync with the contract.

Environments and Variables

Understand how Postman Environments let you swap base URLs, tokens, and config values between dev, staging, and production without editing every request.

HTTP Methods in Postman

How to use GET, POST, PUT, PATCH, and DELETE requests in Postman, including when each method applies and how to attach a request body.

Monitors and Scheduled Runs

Postman Monitors run your collections automatically on a schedule from multiple regions, alerting you the moment an API starts failing or slowing down in produ…

OAuth 2.0 in Postman

Understand the OAuth 2.0 authorization framework and how to configure grant types, token retrieval, and token refresh using Postman's OAuth 2.0 Authorization t…

Postman Best Practices

A practical guide to organizing collections, scoping variables correctly, and writing maintainable scripts and tests in Postman.

Postman/Newman in CI/CD Pipelines

Integrating Postman collections into CI/CD pipelines via Newman lets teams catch API regressions automatically on every commit, before code reaches production.

Postman Interview Questions

Commonly asked Postman interview questions covering variable scoping, scripting, authentication, and CI/CD integration, with concise model answers.

Postman Quick Reference

A condensed cheat sheet of Postman variable scopes, common pm.* scripting snippets, and Newman CLI commands for everyday use.

Postman vs Insomnia vs curl

Comparing Postman, Insomnia, and curl across usability, collaboration, scripting, and automation to decide which fits a given API workflow.

The Postman Interface

A tour of Postman's main workspace layout — sidebar, request builder, response viewer, and console — and how each panel supports the request-response workflow.

What Is Postman?

An introduction to Postman as an API platform for building, testing, and documenting HTTP APIs, and why it has become the standard tool for API development.