Linux Shout published a tutorial about installing Postman on Ubuntu 20.04 LTS or Debian Linux.
How to install Postman on Ubuntu 20.04 LTS or Debian Linux
Tutorial to install Postman API testing tool on Ubuntu 20.04 or 18.04 Linux along with commands to create its Desktop and launcher shortcuts.
How to install Postman on Ubuntu 20.04 LTS or Debian Linux - Linux Shout