The Postman agent overcomes the Cross-Origin Resource Sharing (CORS) limitations of browsers, and facilitates API request sending from your browser version of Postman.
Installing the Postman desktop agent
Read the Installation Docs
If you are using the Postman for Web, you also need to download the Postman desktop agent, a micro-application that runs locally on your desktop.
To learn more about the desktop agent, read the Introducing the Postman Agent blog post.
Postman Agent for Mac
For macOS 10.11 (El Capitan) and laterMac Intel ChipMac Apple Chip
Postman Agent for Windows
For Windows 7 and laterWindows 64-bit
Postman Agent for Linux
For Ubuntu 14.04 and later, Fedora 24, Debian 8 and laterLinux 64-bit
Postman on the web
You can now access Postman through your web browser. Simply create a free Postman account, and you're in.