Postman
Postman is an API development app for macOS that lets you send requests, inspect responses, organize collections, and test APIs during development.
What is Postman?
Postman is a developer tool for building, testing, and working with APIs on macOS. It helps developers, QA teams, and technical teams send HTTP requests, inspect responses, organize API collections, and collaborate on API workflows from a desktop app or the web. Common uses include exploring REST and GraphQL endpoints, documenting requests, automating checks, and sharing API workspaces with teammates. The desktop app provides the full native experience for local and private network access, and it integrates with broader Postman workflows used for design, debugging, and team collaboration. Postman is published by Postdot Technologies, Inc. and is widely used in software development environments where APIs are part of everyday work.
Key features
- Send API requests and inspect headers, bodies, status codes, and response times
- Organize requests into collections and save environments for different servers or credentials
- Test REST and GraphQL APIs during development and debugging workflows
- Share workspaces and collaborate with teammates on API projects
- Use the desktop app for local and private network requests that need native access
- Import and export API definitions, requests, and related development assets
Review app leftovers with diCleaner
Inspect caches, support files, containers, and login items before cleaning.
Safety overview
Status: Safe
Postman is legitimate developer software. Network access, saved request data, local files used for imports or exports, and sign-in to cloud workspaces are normal for its purpose. If you use shared workspaces or store tokens and secrets in environments, review what is synced to your account and avoid leaving sensitive credentials in places other team members can access. Removing the app will stop your local desktop workflow, and any unsynced local work may no longer be available in the app.
Recommendation: Keep Postman if you develop, test, document, or troubleshoot APIs on this Mac. If you no longer use it, you can remove the app, but export or sync any collections, environments, or local work you still need first.
Common paths
/Applications/Postman.app
Cache paths
~/Library/Caches/com.postmanlabs.mac
Support paths
~/Library/Application Support/Postman
Preference paths
~/Library/Preferences/com.postmanlabs.mac.plist
Share your experience
Be the first to share your experience.