Postman Overview
Postman is a widely used platform for building, testing, and documenting APIs, available as a desktop app for Windows, macOS, and Linux (with a freemium model). It lets developers compose and send HTTP requests, organize them into collections, chain requests with variables and scripts, write automated tests, and inspect responses, which streamlines working with REST, GraphQL, and other APIs. Teams use it to share collections, mock servers, and environment configurations. Postman can also import OpenAPI or cURL definitions and generate ready-to-use code snippets for requests in many languages. The desktop app's offline installer is the full setup and installs without a network connection, though signing in to sync workspaces requires connectivity. Use the link on this page to reach Postman's official Postman download.