Spectator is a free and open source elegant GTK-based HTTP client for API testing application for Linux. It comes with intuitive user interface and features make it an ideal tool for both composing requests and inspecting server responses. It comes with Duktape JavaScript Engine to execute user defined scripts at runtime and you can define variables in different environments. Using Spectator, you will get a smooth and efficient API testing experience. It is written in Vala and released under GNU General Public License v3.0.
How to Install Spectator on Ubuntu
Spectator is available as a flatpak package file from the flathub store. Open the terminal application and run below Spectator flatpak install command.
flatpak install flathub com.github.treagod.spectator
It will install the latest version of Spectator on your system. You can open it using below command.
flatpak run com.github.treagod.spectator
Note: If you don’t already have flatpak and flathub installed, please install them on your system using the commands provided below. After the installation, please restart your system.
sudo apt install flatpak
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
And you can also uninstall Spectator using below commands.
flatpak uninstall com.github.treagod.spectator
[OR]
sudo flatpak uninstall com.github.treagod.spectator