Postman began as a simple Chrome extension for making HTTP requests and has grown into a comprehensive API development platform. It's used by millions of developers for everything from quick one-off API tests to full API lifecycle management including design, documentation, testing, and monitoring.
The core value proposition remains the same as it always was: a clean interface for constructing and sending HTTP requests, with the ability to save, organize, and share those requests with your team. The Collections feature is what makes Postman genuinely useful for teams — you can build a library of API requests that serves as both a testing suite and living documentation.
During API development, Postman is the fastest way to test endpoints as you build them. Rather than writing a test script or using curl, you can construct a request visually, inspect the response, and iterate quickly. The ability to save requests means you're building a test suite as a natural byproduct of development.
For teams integrating with third-party APIs, shared collections serve as practical documentation. Instead of reading through API docs and constructing requests from scratch, a new team member can import the collection and have working examples immediately.
The Newman CLI integration means collections can be run as part of a CI/CD pipeline, turning your manual test collection into automated regression tests without rewriting anything.
Free tier is sufficient for individual developers. Basic plan at $14/user/month adds more collaboration features. Professional and Enterprise plans for larger teams with advanced governance needs.