Postman
Platform for testing, debugging, and organizing API requests.
Read docs Updated 2026-06-17
What is Postman?
Postman is an application that provides an interface for sending HTTP requests to APIs and viewing responses.
It is used by developers and testers who need to validate API behavior and manage collections of requests.
What you can build with Postman
API endpoint testing
Create and send requests to REST or GraphQL endpoints with custom headers and payloads to verify responses during development.
Saving reusable request collections
Organize authenticated API calls into collections that can be rerun or shared across team members for consistent testing.
API key authentication workflows
Configure API key auth over HTTPS to securely test protected endpoints without exposing credentials in code.
Get started with Postman
- 1Download and install the Postman app or use the web version
- 2Create a free account to access workspaces and collections
- 3Import or manually create a new request with your target URL
- 4Add API key authentication in the Authorization tab
- 5Send the request and save it to a collection for reuse
Postman: pros & cons
Pros
- +Intuitive interface for quick request creation and testing
- +Built-in support for API key auth over HTTPS
- +Ability to save and organize requests into reusable collections
- +Cross-platform availability with team collaboration features
Cons
- –Desktop app can consume significant system resources
- –Advanced automation requires paid plans or add-ons
- –Learning curve for complex scripting and environments
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Frequently asked questions
Postman is a tool for testing APIs that lets developers create, send, and save requests with support for API key authentication over HTTPS.
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